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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-21 11:52:16 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-21 11:52:16 -0800
commitd43421565bf0510d35e6a39ebf96586ad486f3aa (patch)
treef3a6cf9f5284d0146c9c858dc96c5b6bcdf28dc9
parent859e762544902c3e09b3f8d994aab80ea5ff5042 (diff)
parent9662e32c810ad3e6ce49832d5f585a54f8fbdbdb (diff)
Merge tag 'pci-v4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas: "PCI changes for the v4.5 merge window: Enumeration: - Simplify config space size computation (Bjorn Helgaas) - Avoid iterating through ROM outside the resource window (Edward O'Callaghan) - Support PCIe devices with short cfg_size (Jason S. McMullan) - Add Netronome vendor and device IDs (Jason S. McMullan) - Limit config space size for Netronome NFP6000 family (Jason S. McMullan) - Add Netronome NFP4000 PF device ID (Simon Horman) - Limit config space size for Netronome NFP4000 (Simon Horman) - Print warnings for all invalid expansion ROM headers (Vladis Dronov) Resource management: - Fix minimum allocation address overwrite (Christoph Biedl) PCI device hotplug: - acpiphp_ibm: Fix null dereferences on null ibm_slot (Colin Ian King) - pciehp: Always protect pciehp_disable_slot() with hotplug mutex (Guenter Roeck) - shpchp: Constify hpc_ops structure (Julia Lawall) - ibmphp: Remove unneeded NULL test (Julia Lawall) Power management: - Make ASPM sysfs link_state_store() consistent with link_state_show() (Andy Lutomirski) Virtualization - Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183 (Tim Sander) MSI: - Remove empty pci_msi_init_pci_dev() (Bjorn Helgaas) - Mark PCIe/PCI (MSI) IRQ cascade handlers as IRQF_NO_THREAD (Grygorii Strashko) - Initialize MSI capability for all architectures (Guilherme G. Piccoli) - Relax msi_domain_alloc() to support parentless MSI irqdomains (Liu Jiang) ARM Versatile host bridge driver: - Remove unused pci_sys_data structures (Lorenzo Pieralisi) Broadcom iProc host bridge driver: - Hide CONFIG_PCIE_IPROC (Arnd Bergmann) - Do not use 0x in front of %pap (Dmitry V. Krivenok) - Update iProc PCIe device tree binding (Ray Jui) - Add PAXC interface support (Ray Jui) - Add iProc PCIe MSI device tree binding (Ray Jui) - Add iProc PCIe MSI support (Ray Jui) Freescale i.MX6 host bridge driver: - Use gpio_set_value_cansleep() (Fabio Estevam) - Add support for active-low reset GPIO (Petr Štetiar) HiSilicon host bridge driver: - Add support for HiSilicon Hip06 PCIe host controllers (Gabriele Paoloni) Intel VMD host bridge driver: - Export irq_domain_set_info() for module use (Keith Busch) - x86/PCI: Allow DMA ops specific to a PCI domain (Keith Busch) - Use 32 bit PCI domain numbers (Keith Busch) - Add driver for Intel Volume Management Device (VMD) (Keith Busch) Qualcomm host bridge driver: - Document PCIe devicetree bindings (Stanimir Varbanov) - Add Qualcomm PCIe controller driver (Stanimir Varbanov) - dts: apq8064: add PCIe devicetree node (Stanimir Varbanov) - dts: ifc6410: enable PCIe DT node for this board (Stanimir Varbanov) Renesas R-Car host bridge driver: - Add support for R-Car H3 to pcie-rcar (Harunobu Kurokawa) - Allow DT to override default window settings (Phil Edworthy) - Convert to DT resource parsing API (Phil Edworthy) - Revert "PCI: rcar: Build pcie-rcar.c only on ARM" (Phil Edworthy) - Remove unused pci_sys_data struct from pcie-rcar (Phil Edworthy) - Add runtime PM support to pcie-rcar (Phil Edworthy) - Add Gen2 PHY setup to pcie-rcar (Phil Edworthy) - Add gen2 fallback compatibility string for pci-rcar-gen2 (Simon Horman) - Add gen2 fallback compatibility string for pcie-rcar (Simon Horman) Synopsys DesignWare host bridge driver: - Simplify control flow (Bjorn Helgaas) - Make config accessor override checking symmetric (Bjorn Helgaas) - Ensure ATU is enabled before IO/conf space accesses (Stanimir Varbanov) Miscellaneous: - Add of_pci_get_host_bridge_resources() stub (Arnd Bergmann) - Check for PCI_HEADER_TYPE_BRIDGE equality, not bitmask (Bjorn Helgaas) - Fix all whitespace issues (Bogicevic Sasa) - x86/PCI: Simplify pci_bios_{read,write} (Geliang Tang) - Use to_pci_dev() instead of open-coding it (Geliang Tang) - Use kobj_to_dev() instead of open-coding it (Geliang Tang) - Use list_for_each_entry() to simplify code (Geliang Tang) - Fix typos in <linux/msi.h> (Thomas Petazzoni) - x86/PCI: Clarify AMD Fam10h config access restrictions comment (Tomasz Nowicki)" * tag 'pci-v4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (58 commits) PCI: Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183 PCI: Limit config space size for Netronome NFP4000 PCI: Add Netronome NFP4000 PF device ID x86/PCI: Add driver for Intel Volume Management Device (VMD) PCI/AER: Use 32 bit PCI domain numbers x86/PCI: Allow DMA ops specific to a PCI domain irqdomain: Export irq_domain_set_info() for module use PCI: host: Add of_pci_get_host_bridge_resources() stub genirq/MSI: Relax msi_domain_alloc() to support parentless MSI irqdomains PCI: rcar: Add Gen2 PHY setup to pcie-rcar PCI: rcar: Add runtime PM support to pcie-rcar PCI: designware: Make config accessor override checking symmetric PCI: ibmphp: Remove unneeded NULL test ARM: dts: ifc6410: enable PCIe DT node for this board ARM: dts: apq8064: add PCIe devicetree node PCI: hotplug: Use list_for_each_entry() to simplify code PCI: rcar: Remove unused pci_sys_data struct from pcie-rcar PCI: hisi: Add support for HiSilicon Hip06 PCIe host controllers PCI: Avoid iterating through memory outside the resource window PCI: acpiphp_ibm: Fix null dereferences on null ibm_slot ...
-rw-r--r--Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt40
-rw-r--r--Documentation/devicetree/bindings/pci/hisilicon-pcie.txt8
-rw-r--r--Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt17
-rw-r--r--Documentation/devicetree/bindings/pci/qcom,pcie.txt233
-rw-r--r--Documentation/devicetree/bindings/pci/rcar-pci.txt14
-rw-r--r--MAINTAINERS14
-rw-r--r--arch/arm/boot/dts/qcom-apq8064-ifc6410.dts26
-rw-r--r--arch/arm/boot/dts/qcom-apq8064.dtsi36
-rw-r--r--arch/powerpc/kernel/eeh_driver.c2
-rw-r--r--arch/powerpc/kernel/pci_of_scan.c3
-rw-r--r--arch/x86/Kconfig13
-rw-r--r--arch/x86/include/asm/device.h10
-rw-r--r--arch/x86/include/asm/hw_irq.h5
-rw-r--r--arch/x86/include/asm/pci_x86.h10
-rw-r--r--arch/x86/pci/Makefile2
-rw-r--r--arch/x86/pci/common.c38
-rw-r--r--arch/x86/pci/pcbios.c108
-rw-r--r--arch/x86/pci/vmd.c723
-rw-r--r--drivers/pci/access.c8
-rw-r--r--drivers/pci/bus.c6
-rw-r--r--drivers/pci/host/Kconfig36
-rw-r--r--drivers/pci/host/Makefile2
-rw-r--r--drivers/pci/host/pci-dra7xx.c3
-rw-r--r--drivers/pci/host/pci-exynos.c3
-rw-r--r--drivers/pci/host/pci-host-generic.c9
-rw-r--r--drivers/pci/host/pci-imx6.c25
-rw-r--r--drivers/pci/host/pci-rcar-gen2.c77
-rw-r--r--drivers/pci/host/pci-tegra.c2
-rw-r--r--drivers/pci/host/pci-versatile.c5
-rw-r--r--drivers/pci/host/pcie-designware.c62
-rw-r--r--drivers/pci/host/pcie-hisi.c76
-rw-r--r--drivers/pci/host/pcie-iproc-bcma.c1
-rw-r--r--drivers/pci/host/pcie-iproc-msi.c675
-rw-r--r--drivers/pci/host/pcie-iproc-platform.c25
-rw-r--r--drivers/pci/host/pcie-iproc.c230
-rw-r--r--drivers/pci/host/pcie-iproc.h42
-rw-r--r--drivers/pci/host/pcie-qcom.c616
-rw-r--r--drivers/pci/host/pcie-rcar.c206
-rw-r--r--drivers/pci/host/pcie-spear13xx.c3
-rw-r--r--drivers/pci/host/pcie-xilinx.c3
-rw-r--r--drivers/pci/hotplug/acpi_pcihp.c10
-rw-r--r--drivers/pci/hotplug/acpiphp.h2
-rw-r--r--drivers/pci/hotplug/acpiphp_core.c14
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c2
-rw-r--r--drivers/pci/hotplug/acpiphp_ibm.c19
-rw-r--r--drivers/pci/hotplug/cpci_hotplug.h14
-rw-r--r--drivers/pci/hotplug/cpci_hotplug_core.c16
-rw-r--r--drivers/pci/hotplug/cpci_hotplug_pci.c10
-rw-r--r--drivers/pci/hotplug/cpcihp_generic.c12
-rw-r--r--drivers/pci/hotplug/cpcihp_zt5550.c14
-rw-r--r--drivers/pci/hotplug/cpqphp.h14
-rw-r--r--drivers/pci/hotplug/cpqphp_core.c32
-rw-r--r--drivers/pci/hotplug/cpqphp_ctrl.c200
-rw-r--r--drivers/pci/hotplug/cpqphp_nvram.c92
-rw-r--r--drivers/pci/hotplug/cpqphp_pci.c84
-rw-r--r--drivers/pci/hotplug/cpqphp_sysfs.c6
-rw-r--r--drivers/pci/hotplug/ibmphp.h12
-rw-r--r--drivers/pci/hotplug/ibmphp_core.c54
-rw-r--r--drivers/pci/hotplug/ibmphp_ebda.c532
-rw-r--r--drivers/pci/hotplug/ibmphp_hpc.c388
-rw-r--r--drivers/pci/hotplug/ibmphp_pci.c730
-rw-r--r--drivers/pci/hotplug/ibmphp_res.c514
-rw-r--r--drivers/pci/hotplug/pci_hotplug_core.c14
-rw-r--r--drivers/pci/hotplug/pciehp.h8
-rw-r--r--drivers/pci/hotplug/pciehp_core.c16
-rw-r--r--drivers/pci/hotplug/pciehp_ctrl.c2
-rw-r--r--drivers/pci/hotplug/pcihp_skeleton.c31
-rw-r--r--drivers/pci/hotplug/rpadlpar_core.c7
-rw-r--r--drivers/pci/hotplug/rpaphp.h8
-rw-r--r--drivers/pci/hotplug/rpaphp_core.c9
-rw-r--r--drivers/pci/hotplug/rpaphp_pci.c2
-rw-r--r--drivers/pci/hotplug/rpaphp_slot.c2
-rw-r--r--drivers/pci/hotplug/s390_pci_hpc.c7
-rw-r--r--drivers/pci/hotplug/sgi_hotplug.c6
-rw-r--r--drivers/pci/hotplug/shpchp.h14
-rw-r--r--drivers/pci/hotplug/shpchp_core.c35
-rw-r--r--drivers/pci/hotplug/shpchp_hpc.c4
-rw-r--r--drivers/pci/hotplug/shpchp_sysfs.c10
-rw-r--r--drivers/pci/msi.c4
-rw-r--r--drivers/pci/pci-label.c4
-rw-r--r--drivers/pci/pci-sysfs.c58
-rw-r--r--drivers/pci/pci.c4
-rw-r--r--drivers/pci/pci.h2
-rw-r--r--drivers/pci/pcie/aer/aer_inject.c16
-rw-r--r--drivers/pci/pcie/aer/aerdrv_core.c10
-rw-r--r--drivers/pci/pcie/aspm.c16
-rw-r--r--drivers/pci/probe.c33
-rw-r--r--drivers/pci/quirks.c16
-rw-r--r--drivers/pci/rom.c23
-rw-r--r--drivers/pci/setup-bus.c2
-rw-r--r--include/linux/msi.h4
-rw-r--r--include/linux/of_pci.h7
-rw-r--r--include/linux/pci.h2
-rw-r--r--include/linux/pci_ids.h5
-rw-r--r--kernel/irq/irqdomain.c1
-rw-r--r--kernel/irq/msi.c8
96 files changed, 4682 insertions, 1896 deletions
diff --git a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
index 45c2a8094a9f..01b88f4e0d5b 100644
--- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
@@ -1,7 +1,10 @@
* Broadcom iProc PCIe controller with the platform bus interface
Required properties:
-- compatible: Must be "brcm,iproc-pcie"
+- compatible: Must be "brcm,iproc-pcie" for PAXB, or "brcm,iproc-pcie-paxc"
+ for PAXC. PAXB-based root complex is used for external endpoint devices.
+ PAXC-based root complex is connected to emulated endpoint devices
+ internal to the ASIC
- reg: base address and length of the PCIe controller I/O register space
- #interrupt-cells: set to <1>
- interrupt-map-mask and interrupt-map, standard PCI properties to define the
@@ -32,6 +35,28 @@ Optional:
- brcm,pcie-ob-oarr-size: Some iProc SoCs need the OARR size bit to be set to
increase the outbound window size
+MSI support (optional):
+
+For older platforms without MSI integrated in the GIC, iProc PCIe core provides
+an event queue based MSI support. The iProc MSI uses host memories to store
+MSI posted writes in the event queues
+
+- msi-parent: Link to the device node of the MSI controller. On newer iProc
+platforms, the MSI controller may be gicv2m or gicv3-its. On older iProc
+platforms without MSI support in its interrupt controller, one may use the
+event queue based MSI support integrated within the iProc PCIe core.
+
+When the iProc event queue based MSI is used, one needs to define the
+following properties in the MSI device node:
+- compatible: Must be "brcm,iproc-msi"
+- msi-controller: claims itself as an MSI controller
+- interrupt-parent: Link to its parent interrupt device
+- interrupts: List of interrupt IDs from its parent interrupt device
+
+Optional properties:
+- brcm,pcie-msi-inten: Needs to be present for some older iProc platforms that
+require the interrupt enable registers to be set explicitly to enable MSI
+
Example:
pcie0: pcie@18012000 {
compatible = "brcm,iproc-pcie";
@@ -58,6 +83,19 @@ Example:
brcm,pcie-ob-oarr-size;
brcm,pcie-ob-axi-offset = <0x00000000>;
brcm,pcie-ob-window-size = <256>;
+
+ msi-parent = <&msi0>;
+
+ /* iProc event queue based MSI */
+ msi0: msi@18012000 {
+ compatible = "brcm,iproc-msi";
+ msi-controller;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_NONE>,
+ <GIC_SPI 97 IRQ_TYPE_NONE>,
+ <GIC_SPI 98 IRQ_TYPE_NONE>,
+ <GIC_SPI 99 IRQ_TYPE_NONE>,
+ };
};
pcie1: pcie@18013000 {
diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
index 17c6ed9c6059..b721beacfe4d 100644
--- a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
@@ -1,4 +1,4 @@
-HiSilicon PCIe host bridge DT description
+HiSilicon Hip05 and Hip06 PCIe host bridge DT description
HiSilicon PCIe host controller is based on Designware PCI core.
It shares common functions with PCIe Designware core driver and inherits
@@ -7,8 +7,8 @@ Documentation/devicetree/bindings/pci/designware-pci.txt.
Additional properties are described here:
-Required properties:
-- compatible: Should contain "hisilicon,hip05-pcie".
+Required properties
+- compatible: Should contain "hisilicon,hip05-pcie" or "hisilicon,hip06-pcie".
- reg: Should contain rc_dbi, config registers location and length.
- reg-names: Must include the following entries:
"rc_dbi": controller configuration registers;
@@ -20,7 +20,7 @@ Optional properties:
- status: Either "ok" or "disabled".
- dma-coherent: Present if DMA operations are coherent.
-Example:
+Hip05 Example (note that Hip06 is the same except compatible):
pcie@0xb0080000 {
compatible = "hisilicon,hip05-pcie", "snps,dw-pcie";
reg = <0 0xb0080000 0 0x10000>, <0x220 0x00000000 0 0x2000>;
diff --git a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt
index 7fab84b33531..4e8b90e43dd8 100644
--- a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt
+++ b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt
@@ -8,7 +8,14 @@ OHCI and EHCI controllers.
Required properties:
- compatible: "renesas,pci-r8a7790" for the R8A7790 SoC;
"renesas,pci-r8a7791" for the R8A7791 SoC;
- "renesas,pci-r8a7794" for the R8A7794 SoC.
+ "renesas,pci-r8a7794" for the R8A7794 SoC;
+ "renesas,pci-rcar-gen2" for a generic R-Car Gen2 compatible device
+
+
+ When compatible with the generic version, nodes must list the
+ SoC-specific version corresponding to the platform first
+ followed by the generic version.
+
- reg: A list of physical regions to access the device: the first is
the operational registers for the OHCI/EHCI controllers and the
second is for the bridge configuration and control registers.
@@ -24,10 +31,15 @@ Required properties:
- interrupt-map-mask: standard property that helps to define the interrupt
mapping.
+Optional properties:
+- dma-ranges: a single range for the inbound memory region. If not supplied,
+ defaults to 1GiB at 0x40000000. Note there are hardware restrictions on the
+ allowed combinations of address and size.
+
Example SoC configuration:
pci0: pci@ee090000 {
- compatible = "renesas,pci-r8a7790";
+ compatible = "renesas,pci-r8a7790", "renesas,pci-rcar-gen2";
clocks = <&mstp7_clks R8A7790_CLK_EHCI>;
reg = <0x0 0xee090000 0x0 0xc00>,
<0x0 0xee080000 0x0 0x1100>;
@@ -38,6 +50,7 @@ Example SoC configuration:
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
+ dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x40000000>;
interrupt-map-mask = <0xff00 0 0 0x7>;
interrupt-map = <0x0000 0 0 1 &gic 0 108 IRQ_TYPE_LEVEL_HIGH
0x0800 0 0 1 &gic 0 108 IRQ_TYPE_LEVEL_HIGH
diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.txt b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
new file mode 100644
index 000000000000..4059a6f89bc1
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
@@ -0,0 +1,233 @@
+* Qualcomm PCI express root complex
+
+- compatible:
+ Usage: required
+ Value type: <stringlist>
+ Definition: Value should contain
+ - "qcom,pcie-ipq8064" for ipq8064
+ - "qcom,pcie-apq8064" for apq8064
+ - "qcom,pcie-apq8084" for apq8084
+
+- reg:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: Register ranges as listed in the reg-names property
+
+- reg-names:
+ Usage: required
+ Value type: <stringlist>
+ Definition: Must include the following entries
+ - "parf" Qualcomm specific registers
+ - "dbi" Designware PCIe registers
+ - "elbi" External local bus interface registers
+ - "config" PCIe configuration space
+
+- device_type:
+ Usage: required
+ Value type: <string>
+ Definition: Should be "pci". As specified in designware-pcie.txt
+
+- #address-cells:
+ Usage: required
+ Value type: <u32>
+ Definition: Should be 3. As specified in designware-pcie.txt
+
+- #size-cells:
+ Usage: required
+ Value type: <u32>
+ Definition: Should be 2. As specified in designware-pcie.txt
+
+- ranges:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: As specified in designware-pcie.txt
+
+- interrupts:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: MSI interrupt
+
+- interrupt-names:
+ Usage: required
+ Value type: <stringlist>
+ Definition: Should contain "msi"
+
+- #interrupt-cells:
+ Usage: required
+ Value type: <u32>
+ Definition: Should be 1. As specified in designware-pcie.txt
+
+- interrupt-map-mask:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: As specified in designware-pcie.txt
+
+- interrupt-map:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: As specified in designware-pcie.txt
+
+- clocks:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: List of phandle and clock specifier pairs as listed
+ in clock-names property
+
+- clock-names:
+ Usage: required
+ Value type: <stringlist>
+ Definition: Should contain the following entries
+ - "iface" Configuration AHB clock
+
+- clock-names:
+ Usage: required for ipq/apq8064
+ Value type: <stringlist>
+ Definition: Should contain the following entries
+ - "core" Clocks the pcie hw block
+ - "phy" Clocks the pcie PHY block
+- clock-names:
+ Usage: required for apq8084
+ Value type: <stringlist>
+ Definition: Should contain the following entries
+ - "aux" Auxiliary (AUX) clock
+ - "bus_master" Master AXI clock
+ - "bus_slave" Slave AXI clock
+- resets:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: List of phandle and reset specifier pairs as listed
+ in reset-names property
+
+- reset-names:
+ Usage: required for ipq/apq8064
+ Value type: <stringlist>
+ Definition: Should contain the following entries
+ - "axi" AXI reset
+ - "ahb" AHB reset
+ - "por" POR reset
+ - "pci" PCI reset
+ - "phy" PHY reset
+
+- reset-names:
+ Usage: required for apq8084
+ Value type: <stringlist>
+ Definition: Should contain the following entries
+ - "core" Core reset
+
+- power-domains:
+ Usage: required for apq8084
+ Value type: <prop-encoded-array>
+ Definition: A phandle and power domain specifier pair to the
+ power domain which is responsible for collapsing
+ and restoring power to the peripheral
+
+- vdda-supply:
+ Usage: required
+ Value type: <phandle>
+ Definition: A phandle to the core analog power supply
+
+- vdda_phy-supply:
+ Usage: required for ipq/apq8064
+ Value type: <phandle>
+ Definition: A phandle to the analog power supply for PHY
+
+- vdda_refclk-supply:
+ Usage: required for ipq/apq8064
+ Value type: <phandle>
+ Definition: A phandle to the analog power supply for IC which generates
+ reference clock
+
+- phys:
+ Usage: required for apq8084
+ Value type: <phandle>
+ Definition: List of phandle(s) as listed in phy-names property
+
+- phy-names:
+ Usage: required for apq8084
+ Value type: <stringlist>
+ Definition: Should contain "pciephy"
+
+- <name>-gpios:
+ Usage: optional
+ Value type: <prop-encoded-array>
+ Definition: List of phandle and gpio specifier pairs. Should contain
+ - "perst-gpios" PCIe endpoint reset signal line
+ - "wake-gpios" PCIe endpoint wake signal line
+
+* Example for ipq/apq8064
+ pcie@1b500000 {
+ compatible = "qcom,pcie-apq8064", "qcom,pcie-ipq8064", "snps,dw-pcie";
+ reg = <0x1b500000 0x1000
+ 0x1b502000 0x80
+ 0x1b600000 0x100
+ 0x0ff00000 0x100000>;
+ reg-names = "dbi", "elbi", "parf", "config";
+ device_type = "pci";
+ linux,pci-domain = <0>;
+ bus-range = <0x00 0xff>;
+ num-lanes = <1>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x81000000 0 0 0x0fe00000 0 0x00100000 /* I/O */
+ 0x82000000 0 0 0x08000000 0 0x07e00000>; /* memory */
+ interrupts = <GIC_SPI 238 IRQ_TYPE_NONE>;
+ interrupt-names = "msi";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &intc 0 36 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+ <0 0 0 2 &intc 0 37 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+ <0 0 0 3 &intc 0 38 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+ <0 0 0 4 &intc 0 39 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+ clocks = <&gcc PCIE_A_CLK>,
+ <&gcc PCIE_H_CLK>,
+ <&gcc PCIE_PHY_CLK>;
+ clock-names = "core", "iface", "phy";
+ resets = <&gcc PCIE_ACLK_RESET>,
+ <&gcc PCIE_HCLK_RESET>,
+ <&gcc PCIE_POR_RESET>,
+ <&gcc PCIE_PCI_RESET>,
+ <&gcc PCIE_PHY_RESET>;
+ reset-names = "axi", "ahb", "por", "pci", "phy";
+ pinctrl-0 = <&pcie_pins_default>;
+ pinctrl-names = "default";
+ };
+
+* Example for apq8084
+ pcie0@fc520000 {
+ compatible = "qcom,pcie-apq8084", "snps,dw-pcie";
+ reg = <0xfc520000 0x2000>,
+ <0xff000000 0x1000>,
+ <0xff001000 0x1000>,
+ <0xff002000 0x2000>;
+ reg-names = "parf", "dbi", "elbi", "config";
+ device_type = "pci";
+ linux,pci-domain = <0>;
+ bus-range = <0x00 0xff>;
+ num-lanes = <1>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x81000000 0 0 0xff200000 0 0x00100000 /* I/O */
+ 0x82000000 0 0x00300000 0xff300000 0 0x00d00000>; /* memory */
+ interrupts = <GIC_SPI 243 IRQ_TYPE_NONE>;
+ interrupt-names = "msi";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &intc 0 244 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+ <0 0 0 2 &intc 0 245 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+ <0 0 0 3 &intc 0 247 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+ <0 0 0 4 &intc 0 248 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+ clocks = <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
+ <&gcc GCC_PCIE_0_SLV_AXI_CLK>,
+ <&gcc GCC_PCIE_0_AUX_CLK>;
+ clock-names = "iface", "master_bus", "slave_bus", "aux";
+ resets = <&gcc GCC_PCIE_0_BCR>;
+ reset-names = "core";
+ power-domains = <&gcc PCIE0_GDSC>;
+ vdda-supply = <&pma8084_l3>;
+ phys = <&pciephy0>;
+ phy-names = "pciephy";
+ perst-gpio = <&tlmm 70 GPIO_ACTIVE_LOW>;
+ pinctrl-0 = <&pcie0_pins_default>;
+ pinctrl-names = "default";
+ };
diff --git a/Documentation/devicetree/bindings/pci/rcar-pci.txt b/Documentation/devicetree/bindings/pci/rcar-pci.txt
index 29d3b989d3b0..558fe528ae19 100644
--- a/Documentation/devicetree/bindings/pci/rcar-pci.txt
+++ b/Documentation/devicetree/bindings/pci/rcar-pci.txt
@@ -1,8 +1,16 @@
* Renesas RCar PCIe interface
Required properties:
-- compatible: should contain one of the following
- "renesas,pcie-r8a7779", "renesas,pcie-r8a7790", "renesas,pcie-r8a7791"
+compatible: "renesas,pcie-r8a7779" for the R8A7779 SoC;
+ "renesas,pcie-r8a7790" for the R8A7790 SoC;
+ "renesas,pcie-r8a7791" for the R8A7791 SoC;
+ "renesas,pcie-r8a7795" for the R8A7795 SoC;
+ "renesas,pcie-rcar-gen2" for a generic R-Car Gen2 compatible device.
+
+ When compatible with the generic version, nodes must list the
+ SoC-specific version corresponding to the platform first
+ followed by the generic version.
+
- reg: base address and length of the pcie controller registers.
- #address-cells: set to <3>
- #size-cells: set to <2>
@@ -25,7 +33,7 @@ Example:
SoC specific DT Entry:
pcie: pcie@fe000000 {
- compatible = "renesas,pcie-r8a7791";
+ compatible = "renesas,pcie-r8a7791", "renesas,pcie-rcar-gen2";
reg = <0 0xfe000000 0 0x80000>;
#address-cells = <3>;
#size-cells = <2>;
diff --git a/MAINTAINERS b/MAINTAINERS
index 293874ca4d4e..84e08e626e10 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8317,6 +8317,12 @@ S: Maintained
F: Documentation/devicetree/bindings/pci/host-generic-pci.txt
F: drivers/pci/host/pci-host-generic.c
+PCI DRIVER FOR INTEL VOLUME MANAGEMENT DEVICE (VMD)
+M: Keith Busch <keith.busch@intel.com>
+L: linux-pci@vger.kernel.org
+S: Supported
+F: arch/x86/pci/vmd.c
+
PCIE DRIVER FOR ST SPEAR13XX
M: Pratyush Anand <pratyush.anand@gmail.com>
L: linux-pci@vger.kernel.org
@@ -8341,11 +8347,19 @@ F: drivers/pci/host/pci-xgene-msi.c
PCIE DRIVER FOR HISILICON
M: Zhou Wang <wangzhou1@hisilicon.com>
+M: Gabriele Paoloni <gabriele.paoloni@huawei.com>
L: linux-pci@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
F: drivers/pci/host/pcie-hisi.c
+PCIE DRIVER FOR QUALCOMM MSM
+M: Stanimir Varbanov <svarbanov@mm-sol.com>
+L: linux-pci@vger.kernel.org
+L: linux-arm-msm@vger.kernel.org
+S: Maintained
+F: drivers/pci/host/*qcom*
+
PCMCIA SUBSYSTEM
P: Linux PCMCIA Team
L: linux-pcmcia@lists.infradead.org
diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
index aa9303b84d67..fd4d49ef9ef2 100644
--- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
@@ -47,6 +47,18 @@
bias-disable;
};
};
+
+ pcie_pins: pcie_pinmux {
+ mux {
+ pins = "gpio27";
+ function = "gpio";
+ };
+ conf {
+ pins = "gpio27";
+ drive-strength = <12>;
+ bias-disable;
+ };
+ };
};
rpm@108000 {
@@ -123,6 +135,10 @@
lvs1 {
bias-pull-down;
};
+
+ lvs6 {
+ bias-pull-down;
+ };
};
};
@@ -231,6 +247,16 @@
status = "okay";
};
+ pci@1b500000 {
+ status = "ok";
+ vdda-supply = <&pm8921_s3>;
+ vdda_phy-supply = <&pm8921_lvs6>;
+ vdda_refclk-supply = <&ext_3p3v>;
+ pinctrl-0 = <&pcie_pins>;
+ pinctrl-names = "default";
+ perst-gpio = <&tlmm_pinmux 27 GPIO_ACTIVE_LOW>;
+ };
+
qcom,ssbi@500000 {
pmic@0 {
gpio@150 {
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index edfc6ee56ea1..ed521e85e208 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -785,5 +785,41 @@
compatible = "qcom,tcsr-apq8064", "syscon";
reg = <0x1a400000 0x100>;
};
+
+ pcie: pci@1b500000 {
+ compatible = "qcom,pcie-apq8064", "snps,dw-pcie";
+ reg = <0x1b500000 0x1000
+ 0x1b502000 0x80
+ 0x1b600000 0x100
+ 0x0ff00000 0x100000>;
+ reg-names = "dbi", "elbi", "parf", "config";
+ device_type = "pci";
+ linux,pci-domain = <0>;
+ bus-range = <0x00 0xff>;
+ num-lanes = <1>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x81000000 0 0 0x0fe00000 0 0x00100000 /* I/O */
+ 0x82000000 0 0 0x08000000 0 0x07e00000>; /* memory */
+ interrupts = <GIC_SPI 238 IRQ_TYPE_NONE>;
+ interrupt-names = "msi";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &intc 0 36 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+ <0 0 0 2 &intc 0 37 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+ <0 0 0 3 &intc 0 38 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+ <0 0 0 4 &intc 0 39 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+ clocks = <&gcc PCIE_A_CLK>,
+ <&gcc PCIE_H_CLK>,
+ <&gcc PCIE_PHY_REF_CLK>;
+ clock-names = "core", "iface", "phy";
+ resets = <&gcc PCIE_ACLK_RESET>,
+ <&gcc PCIE_HCLK_RESET>,
+ <&gcc PCIE_POR_RESET>,
+ <&gcc PCIE_PCI_RESET>,
+ <&gcc PCIE_PHY_RESET>;
+ reset-names = "axi", "ahb", "por", "pci", "phy";
+ status = "disabled";
+ };
};
};
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 8d14feb40f12..938742135ee0 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -400,7 +400,7 @@ static void *eeh_rmv_device(void *data, void *userdata)
* support EEH. So we just care about PCI devices for
* simplicity here.
*/
- if (!dev || (dev->hdr_type & PCI_HEADER_TYPE_BRIDGE))
+ if (!dev || (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE))
return NULL;
/*
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index 2e710c15893f..526ac6750e4d 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -187,9 +187,6 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
pci_device_add(dev, bus);
- /* Setup MSI caps & disable MSI/MSI-X interrupts */
- pci_msi_setup_pci_dev(dev);
-
return dev;
}
EXPORT_SYMBOL(of_create_pci_dev);
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 4a10ba9e95da..9bd3cc03d51d 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2699,6 +2699,19 @@ config PMC_ATOM
def_bool y
depends on PCI
+config VMD
+ depends on PCI_MSI
+ tristate "Volume Management Device Driver"
+ default N
+ ---help---
+ Adds support for the Intel Volume Management Device (VMD). VMD is a
+ secondary PCI host bridge that allows PCI Express root ports,
+ and devices attached to them, to be removed from the default
+ PCI domain and placed within the VMD domain. This provides
+ more bus resources than are otherwise possible with a
+ single domain. If you know your system provides one of these and
+ has devices attached to it, say Y; if you are not sure, say N.
+
source "net/Kconfig"
source "drivers/Kconfig"
diff --git a/arch/x86/include/asm/device.h b/arch/x86/include/asm/device.h
index 03dd72957d2f..684ed6c3aa67 100644
--- a/arch/x86/include/asm/device.h
+++ b/arch/x86/include/asm/device.h
@@ -10,6 +10,16 @@ struct dev_archdata {
#endif
};
+#if defined(CONFIG_X86_DEV_DMA_OPS) && defined(CONFIG_PCI_DOMAINS)
+struct dma_domain {
+ struct list_head node;
+ struct dma_map_ops *dma_ops;
+ int domain_nr;
+};
+void add_dma_domain(struct dma_domain *domain);
+void del_dma_domain(struct dma_domain *domain);
+#endif
+
struct pdev_archdata {
};
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 1e3408e88604..1815b736269d 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -130,6 +130,11 @@ struct irq_alloc_info {
char *uv_name;
};
#endif
+#if IS_ENABLED(CONFIG_VMD)
+ struct {
+ struct msi_desc *desc;
+ };
+#endif
};
};
diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index fa1195dae425..46873fbd44e1 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -151,11 +151,11 @@ extern struct list_head pci_mmcfg_list;
#define PCI_MMCFG_BUS_OFFSET(bus) ((bus) << 20)
/*
- * AMD Fam10h CPUs are buggy, and cannot access MMIO config space
- * on their northbrige except through the * %eax register. As such, you MUST
- * NOT use normal IOMEM accesses, you need to only use the magic mmio-config
- * accessor functions.
- * In fact just use pci_config_*, nothing else please.
+ * On AMD Fam10h CPUs, all PCI MMIO configuration space accesses must use
+ * %eax. No other source or target registers may be used. The following
+ * mmio_config_* accessors enforce this. See "BIOS and Kernel Developer's
+ * Guide (BKDG) For AMD Family 10h Processors", rev. 3.48, sec 2.11.1,
+ * "MMIO Configuration Coding Requirements".
*/
static inline unsigned char mmio_config_readb(void __iomem *pos)
{
diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile
index 5c6fc3577a49..97062a635b77 100644
--- a/arch/x86/pci/Makefile
+++ b/arch/x86/pci/Makefile
@@ -23,6 +23,8 @@ obj-y += bus_numa.o
obj-$(CONFIG_AMD_NB) += amd_bus.o
obj-$(CONFIG_PCI_CNB20LE_QUIRK) += broadcom_bus.o
+obj-$(CONFIG_VMD) += vmd.o
+
ifeq ($(CONFIG_PCI_DEBUG),y)
EXTRA_CFLAGS += -DDEBUG
endif
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index eccd4d99e6a4..2879efc73a96 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -641,6 +641,43 @@ unsigned int pcibios_assign_all_busses(void)
return (pci_probe & PCI_ASSIGN_ALL_BUSSES) ? 1 : 0;
}
+#if defined(CONFIG_X86_DEV_DMA_OPS) && defined(CONFIG_PCI_DOMAINS)
+static LIST_HEAD(dma_domain_list);
+static DEFINE_SPINLOCK(dma_domain_list_lock);
+
+void add_dma_domain(struct dma_domain *domain)
+{
+ spin_lock(&dma_domain_list_lock);
+ list_add(&domain->node, &dma_domain_list);
+ spin_unlock(&dma_domain_list_lock);
+}
+EXPORT_SYMBOL_GPL(add_dma_domain);
+
+void del_dma_domain(struct dma_domain *domain)
+{
+ spin_lock(&dma_domain_list_lock);
+ list_del(&domain->node);
+ spin_unlock(&dma_domain_list_lock);
+}
+EXPORT_SYMBOL_GPL(del_dma_domain);
+
+static void set_dma_domain_ops(struct pci_dev *pdev)
+{
+ struct dma_domain *domain;
+
+ spin_lock(&dma_domain_list_lock);
+ list_for_each_entry(domain, &dma_domain_list, node) {
+ if (pci_domain_nr(pdev->bus) == domain->domain_nr) {
+ pdev->dev.archdata.dma_ops = domain->dma_ops;
+ break;
+ }
+ }
+ spin_unlock(&dma_domain_list_lock);
+}
+#else
+static void set_dma_domain_ops(struct pci_dev *pdev) {}
+#endif
+
int pcibios_add_device(struct pci_dev *dev)
{
struct setup_data *data;
@@ -670,6 +707,7 @@ int pcibios_add_device(struct pci_dev *dev)
pa_data = data->next;
iounmap(data);
}
+ set_dma_domain_ops(dev);
return 0;
}
diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c
index 9b83b9051ae7..9770e55e768f 100644
--- a/arch/x86/pci/pcbios.c
+++ b/arch/x86/pci/pcbios.c
@@ -180,6 +180,7 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
unsigned long result = 0;
unsigned long flags;
unsigned long bx = (bus << 8) | devfn;
+ u16 number = 0, mask = 0;
WARN_ON(seg);
if (!value || (bus > 255) || (devfn > 255) || (reg > 255))
@@ -189,53 +190,35 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
switch (len) {
case 1:
- __asm__("lcall *(%%esi); cld\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
- : "=c" (*value),
- "=a" (result)
- : "1" (PCIBIOS_READ_CONFIG_BYTE),
- "b" (bx),
- "D" ((long)reg),
- "S" (&pci_indirect));
- /*
- * Zero-extend the result beyond 8 bits, do not trust the
- * BIOS having done it:
- */
- *value &= 0xff;
+ number = PCIBIOS_READ_CONFIG_BYTE;
+ mask = 0xff;
break;
case 2:
- __asm__("lcall *(%%esi); cld\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
- : "=c" (*value),
- "=a" (result)
- : "1" (PCIBIOS_READ_CONFIG_WORD),
- "b" (bx),
- "D" ((long)reg),
- "S" (&pci_indirect));
- /*
- * Zero-extend the result beyond 16 bits, do not trust the
- * BIOS having done it:
- */
- *value &= 0xffff;
+ number = PCIBIOS_READ_CONFIG_WORD;
+ mask = 0xffff;
break;
case 4:
- __asm__("lcall *(%%esi); cld\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
- : "=c" (*value),
- "=a" (result)
- : "1" (PCIBIOS_READ_CONFIG_DWORD),
- "b" (bx),
- "D" ((long)reg),
- "S" (&pci_indirect));
+ number = PCIBIOS_READ_CONFIG_DWORD;
break;
}
+ __asm__("lcall *(%%esi); cld\n\t"
+ "jc 1f\n\t"
+ "xor %%ah, %%ah\n"
+ "1:"
+ : "=c" (*value),
+ "=a" (result)
+ : "1" (number),
+ "b" (bx),
+ "D" ((long)reg),
+ "S" (&pci_indirect));
+ /*
+ * Zero-extend the result beyond 8 or 16 bits, do not trust the
+ * BIOS having done it:
+ */
+ if (mask)
+ *value &= mask;
+
raw_spin_unlock_irqrestore(&pci_config_lock, flags);
return (int)((result & 0xff00) >> 8);
@@ -247,6 +230,7 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
unsigned long result = 0;
unsigned long flags;
unsigned long bx = (bus << 8) | devfn;
+ u16 number = 0;
WARN_ON(seg);
if ((bus > 255) || (devfn > 255) || (reg > 255))
@@ -256,43 +240,27 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
switch (len) {
case 1:
- __asm__("lcall *(%%esi); cld\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
- : "=a" (result)
- : "0" (PCIBIOS_WRITE_CONFIG_BYTE),
- "c" (value),
- "b" (bx),
- "D" ((long)reg),
- "S" (&pci_indirect));
+ number = PCIBIOS_WRITE_CONFIG_BYTE;
break;
case 2:
- __asm__("lcall *(%%esi); cld\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
- : "=a" (result)
- : "0" (PCIBIOS_WRITE_CONFIG_WORD),
- "c" (value),
- "b" (bx),
- "D" ((long)reg),
- "S" (&pci_indirect));
+ number = PCIBIOS_WRITE_CONFIG_WORD;
break;
case 4:
- __asm__("lcall *(%%esi); cld\n\t"
- "jc 1f\n\t"
- "xor %%ah, %%ah\n"
- "1:"
- : "=a" (result)
- : "0" (PCIBIOS_WRITE_CONFIG_DWORD),
- "c" (value),
- "b" (bx),
- "D" ((long)reg),
- "S" (&pci_indirect));
+ number = PCIBIOS_WRITE_CONFIG_DWORD;
break;
}
+ __asm__("lcall *(%%esi); cld\n\t"
+ "jc 1f\n\t"
+ "xor %%ah, %%ah\n"
+ "1:"
+ : "=a" (result)
+ : "0" (number),
+ "c" (value),
+ "b" (bx),
+ "D" ((long)reg),
+ "S" (&pci_indirect));
+
raw_spin_unlock_irqrestore(&pci_config_lock, flags);
return (int)((result & 0xff00) >> 8);
diff --git a/arch/x86/pci/vmd.c b/arch/x86/pci/vmd.c
new file mode 100644
index 000000000000..d57e48016f15
--- /dev/null
+++ b/arch/x86/pci/vmd.c
@@ -0,0 +1,723 @@
+/*
+ * Volume Management Device driver
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ */
+
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/msi.h>
+#include <linux/pci.h>
+#include <linux/rculist.h>
+#include <linux/rcupdate.h>
+
+#include <asm/irqdomain.h>
+#include <asm/device.h>
+#include <asm/msi.h>
+#include <asm/msidef.h>
+
+#define VMD_CFGBAR 0
+#define VMD_MEMBAR1 2
+#define VMD_MEMBAR2 4
+
+/*
+ * Lock for manipulating VMD IRQ lists.
+ */
+static DEFINE_RAW_SPINLOCK(list_lock);
+
+/**
+ * struct vmd_irq - private data to map driver IRQ to the VMD shared vector
+ * @node: list item for parent traversal.
+ * @rcu: RCU callback item for freeing.
+ * @irq: back pointer to parent.
+ * @virq: the virtual IRQ value provided to the requesting driver.
+ *
+ * Every MSI/MSI-X IRQ requested for a device in a VMD domain will be mapped to
+ * a VMD IRQ using this structure.
+ */
+struct vmd_irq {
+ struct list_head node;
+ struct rcu_head rcu;
+ struct vmd_irq_list *irq;
+ unsigned int virq;
+};
+
+/**
+ * struct vmd_irq_list - list of driver requested IRQs mapping to a VMD vector
+ * @irq_list: the list of irq's the VMD one demuxes to.
+ * @vmd_vector: the h/w IRQ assigned to the VMD.
+ * @index: index into the VMD MSI-X table; used for message routing.
+ * @count: number of child IRQs assigned to this vector; used to track
+ * sharing.
+ */
+struct vmd_irq_list {
+ struct list_head irq_list;
+ struct vmd_dev *vmd;
+ unsigned int vmd_vector;
+ unsigned int index;
+ unsigned int count;
+};
+
+struct vmd_dev {
+ struct pci_dev *dev;
+
+ spinlock_t cfg_lock;
+ char __iomem *cfgbar;
+
+ int msix_count;
+ struct msix_entry *msix_entries;
+ struct vmd_irq_list *irqs;
+
+ struct pci_sysdata sysdata;
+ struct resource resources[3];
+ struct irq_domain *irq_domain;
+ struct pci_bus *bus;
+
+#ifdef CONFIG_X86_DEV_DMA_OPS
+ struct dma_map_ops dma_ops;
+ struct dma_domain dma_domain;
+#endif
+};
+
+static inline struct vmd_dev *vmd_from_bus(struct pci_bus *bus)
+{
+ return container_of(bus->sysdata, struct vmd_dev, sysdata);
+}
+
+/*
+ * Drivers managing a device in a VMD domain allocate their own IRQs as before,
+ * but the MSI entry for the hardware it's driving will be programmed with a
+ * destination ID for the VMD MSI-X table. The VMD muxes interrupts in its
+ * domain into one of its own, and the VMD driver de-muxes these for the
+ * handlers sharing that VMD IRQ. The vmd irq_domain provides the operations
+ * and irq_chip to set this up.
+ */
+static void vmd_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
+{
+ struct vmd_irq *vmdirq = data->chip_data;
+ struct vmd_irq_list *irq = vmdirq->irq;
+
+ msg->address_hi = MSI_ADDR_BASE_HI;
+ msg->address_lo = MSI_ADDR_BASE_LO | MSI_ADDR_DEST_ID(irq->index);
+ msg->data = 0;
+}
+
+/*
+ * We rely on MSI_FLAG_USE_DEF_CHIP_OPS to set the IRQ mask/unmask ops.
+ */
+static void vmd_irq_enable(struct irq_data *data)
+{
+ struct vmd_irq *vmdirq = data->chip_data;
+
+ raw_spin_lock(&list_lock);
+ list_add_tail_rcu(&vmdirq->node, &vmdirq->irq->irq_list);
+ raw_spin_unlock(&list_lock);
+
+ data->chip->irq_unmask(data);
+}
+
+static void vmd_irq_disable(struct irq_data *data)
+{
+ struct vmd_irq *vmdirq = data->chip_data;
+
+ data->chip->irq_mask(data);
+
+ raw_spin_lock(&list_lock);
+ list_del_rcu(&vmdirq->node);
+ raw_spin_unlock(&list_lock);
+}
+
+/*
+ * XXX: Stubbed until we develop acceptable way to not create conflicts with
+ * other devices sharing the same vector.
+ */
+static int vmd_irq_set_affinity(struct irq_data *data,
+ const struct cpumask *dest, bool force)
+{
+ return -EINVAL;
+}
+
+static struct irq_chip vmd_msi_controller = {
+ .name = "VMD-MSI",
+ .irq_enable = vmd_irq_enable,
+ .irq_disable = vmd_irq_disable,
+ .irq_compose_msi_msg = vmd_compose_msi_msg,
+ .irq_set_affinity = vmd_irq_set_affinity,
+};
+
+static irq_hw_number_t vmd_get_hwirq(struct msi_domain_info *info,
+ msi_alloc_info_t *arg)
+{
+ return 0;
+}
+
+/*
+ * XXX: We can be even smarter selecting the best IRQ once we solve the
+ * affinity problem.
+ */
+static struct vmd_irq_list *vmd_next_irq(struct vmd_dev *vmd)
+{
+ int i, best = 0;
+
+ raw_spin_lock(&list_lock);
+ for (i = 1; i < vmd->msix_count; i++)
+ if (vmd->irqs[i].count < vmd->irqs[best].count)
+ best = i;
+ vmd->irqs[best].count++;
+ raw_spin_unlock(&list_lock);
+
+ return &vmd->irqs[best];
+}
+
+static int vmd_msi_init(struct irq_domain *domain, struct msi_domain_info *info,
+ unsigned int virq, irq_hw_number_t hwirq,
+ msi_alloc_info_t *arg)
+{
+ struct vmd_dev *vmd = vmd_from_bus(msi_desc_to_pci_dev(arg->desc)->bus);
+ struct vmd_irq *vmdirq = kzalloc(sizeof(*vmdirq), GFP_KERNEL);
+
+ if (!vmdirq)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&vmdirq->node);
+ vmdirq->irq = vmd_next_irq(vmd);
+ vmdirq->virq = virq;
+
+ irq_domain_set_info(domain, virq, vmdirq->irq->vmd_vector, info->chip,
+ vmdirq, handle_simple_irq, vmd, NULL);
+ return 0;
+}
+
+static void vmd_msi_free(struct irq_domain *domain,
+ struct msi_domain_info *info, unsigned int virq)
+{
+ struct vmd_irq *vmdirq = irq_get_chip_data(virq);
+
+ /* XXX: Potential optimization to rebalance */
+ raw_spin_lock(&list_lock);
+ vmdirq->irq->count--;
+ raw_spin_unlock(&list_lock);
+
+ kfree_rcu(vmdirq, rcu);
+}
+
+static int vmd_msi_prepare(struct irq_domain *domain, struct device *dev,
+ int nvec, msi_alloc_info_t *arg)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct vmd_dev *vmd = vmd_from_bus(pdev->bus);
+
+ if (nvec > vmd->msix_count)
+ return vmd->msix_count;
+
+ memset(arg, 0, sizeof(*arg));
+ return 0;
+}
+
+static void vmd_set_desc(msi_alloc_info_t *arg, struct msi_desc *desc)
+{
+ arg->desc = desc;
+}
+
+static struct msi_domain_ops vmd_msi_domain_ops = {
+ .get_hwirq = vmd_get_hwirq,
+ .msi_init = vmd_msi_init,
+ .msi_free = vmd_msi_free,
+ .msi_prepare = vmd_msi_prepare,
+ .set_desc = vmd_set_desc,
+};
+
+static struct msi_domain_info vmd_msi_domain_info = {
+ .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
+ MSI_FLAG_PCI_MSIX,
+ .ops = &vmd_msi_domain_ops,
+ .chip = &vmd_msi_controller,
+};
+
+#ifdef CONFIG_X86_DEV_DMA_OPS
+/*
+ * VMD replaces the requester ID with its own. DMA mappings for devices in a
+ * VMD domain need to be mapped for the VMD, not the device requiring
+ * the mapping.
+ */
+static struct device *to_vmd_dev(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct vmd_dev *vmd = vmd_from_bus(pdev->bus);
+
+ return &vmd->dev->dev;
+}
+
+static struct dma_map_ops *vmd_dma_ops(struct device *dev)
+{
+ return to_vmd_dev(dev)->archdata.dma_ops;
+}
+
+static void *vmd_alloc(struct device *dev, size_t size, dma_addr_t *addr,
+ gfp_t flag, struct dma_attrs *attrs)
+{
+ return vmd_dma_ops(dev)->alloc(to_vmd_dev(dev), size, addr, flag,
+ attrs);
+}
+
+static void vmd_free(struct device *dev, size_t size, void *vaddr,
+ dma_addr_t addr, struct dma_attrs *attrs)
+{
+ return vmd_dma_ops(dev)->free(to_vmd_dev(dev), size, vaddr, addr,
+ attrs);
+}
+
+static int vmd_mmap(struct device *dev, struct vm_area_struct *vma,
+ void *cpu_addr, dma_addr_t addr, size_t size,
+ struct dma_attrs *attrs)
+{
+ return vmd_dma_ops(dev)->mmap(to_vmd_dev(dev), vma, cpu_addr, addr,
+ size, attrs);
+}
+
+static int vmd_get_sgtable(struct device *dev, struct sg_table *sgt,
+ void *cpu_addr, dma_addr_t addr, size_t size,
+ struct dma_attrs *attrs)
+{
+ return vmd_dma_ops(dev)->get_sgtable(to_vmd_dev(dev), sgt, cpu_addr,
+ addr, size, attrs);
+}
+
+static dma_addr_t vmd_map_page(struct device *dev, struct page *page,
+ unsigned long offset, size_t size,
+ enum dma_data_direction dir,
+ struct dma_attrs *attrs)
+{
+ return vmd_dma_ops(dev)->map_page(to_vmd_dev(dev), page, offset, size,
+ dir, attrs);
+}
+
+static void vmd_unmap_page(struct device *dev, dma_addr_t addr, size_t size,
+ enum dma_data_direction dir, struct dma_attrs *attrs)
+{
+ vmd_dma_ops(dev)->unmap_page(to_vmd_dev(dev), addr, size, dir, attrs);
+}
+
+static int vmd_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+ enum dma_data_direction dir, struct dma_attrs *attrs)
+{
+ return vmd_dma_ops(dev)->map_sg(to_vmd_dev(dev), sg, nents, dir, attrs);
+}
+
+static void vmd_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
+ enum dma_data_direction dir, struct dma_attrs *attrs)
+{
+ vmd_dma_ops(dev)->unmap_sg(to_vmd_dev(dev), sg, nents, dir, attrs);
+}
+
+static void vmd_sync_single_for_cpu(struct device *dev, dma_addr_t addr,
+ size_t size, enum dma_data_direction dir)
+{
+ vmd_dma_ops(dev)->sync_single_for_cpu(to_vmd_dev(dev), addr, size, dir);
+}
+
+static void vmd_sync_single_for_device(struct device *dev, dma_addr_t addr,
+ size_t size, enum dma_data_direction dir)
+{
+ vmd_dma_ops(dev)->sync_single_for_device(to_vmd_dev(dev), addr, size,
+ dir);
+}
+
+static void vmd_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
+ int nents, enum dma_data_direction dir)
+{
+ vmd_dma_ops(dev)->sync_sg_for_cpu(to_vmd_dev(dev), sg, nents, dir);
+}
+
+static void vmd_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
+ int nents, enum dma_data_direction dir)
+{
+ vmd_dma_ops(dev)->sync_sg_for_device(to_vmd_dev(dev), sg, nents, dir);
+}
+
+static int vmd_mapping_error(struct device *dev, dma_addr_t addr)
+{
+ return vmd_dma_ops(dev)->mapping_error(to_vmd_dev(dev), addr);
+}
+
+static int vmd_dma_supported(struct device *dev, u64 mask)
+{
+ return vmd_dma_ops(dev)->dma_supported(to_vmd_dev(dev), mask);
+}
+
+#ifdef ARCH_HAS_DMA_GET_REQUIRED_MASK
+static u64 vmd_get_required_mask(struct device *dev)
+{
+ return vmd_dma_ops(dev)->get_required_mask(to_vmd_dev(dev));
+}
+#endif
+
+static void vmd_teardown_dma_ops(struct vmd_dev *vmd)
+{
+ struct dma_domain *domain = &vmd->dma_domain;
+
+ if (vmd->dev->dev.archdata.dma_ops)
+ del_dma_domain(domain);
+}
+
+#define ASSIGN_VMD_DMA_OPS(source, dest, fn) \
+ do { \
+ if (source->fn) \
+ dest->fn = vmd_##fn; \
+ } while (0)
+
+static void vmd_setup_dma_ops(struct vmd_dev *vmd)
+{
+ const struct dma_map_ops *source = vmd->dev->dev.archdata.dma_ops;
+ struct dma_map_ops *dest = &vmd->dma_ops;
+ struct dma_domain *domain = &vmd->dma_domain;
+
+ domain->domain_nr = vmd->sysdata.domain;
+ domain->dma_ops = dest;
+
+ if (!source)
+ return;
+ ASSIGN_VMD_DMA_OPS(source, dest, alloc);
+ ASSIGN_VMD_DMA_OPS(source, dest, free);
+ ASSIGN_VMD_DMA_OPS(source, dest, mmap);
+ ASSIGN_VMD_DMA_OPS(source, dest, get_sgtable);
+ ASSIGN_VMD_DMA_OPS(source, dest, map_page);
+ ASSIGN_VMD_DMA_OPS(source, dest, unmap_page);
+ ASSIGN_VMD_DMA_OPS(source, dest, map_sg);
+ ASSIGN_VMD_DMA_OPS(source, dest, unmap_sg);
+ ASSIGN_VMD_DMA_OPS(source, dest, sync_single_for_cpu);
+ ASSIGN_VMD_DMA_OPS(source, dest, sync_single_for_device);
+ ASSIGN_VMD_DMA_OPS(source, dest, sync_sg_for_cpu);
+ ASSIGN_VMD_DMA_OPS(source, dest, sync_sg_for_device);
+ ASSIGN_VMD_DMA_OPS(source, dest, mapping_error);
+ ASSIGN_VMD_DMA_OPS(source, dest, dma_supported);
+#ifdef ARCH_HAS_DMA_GET_REQUIRED_MASK
+ ASSIGN_VMD_DMA_OPS(source, dest, get_required_mask);
+#endif
+ add_dma_domain(domain);
+}
+#undef ASSIGN_VMD_DMA_OPS
+#else
+static void vmd_teardown_dma_ops(struct vmd_dev *vmd) {}
+static void vmd_setup_dma_ops(struct vmd_dev *vmd) {}
+#endif
+
+static char __iomem *vmd_cfg_addr(struct vmd_dev *vmd, struct pci_bus *bus,
+ unsigned int devfn, int reg, int len)
+{
+ char __iomem *addr = vmd->cfgbar +
+ (bus->number << 20) + (devfn << 12) + reg;
+
+ if ((addr - vmd->cfgbar) + len >=
+ resource_size(&vmd->dev->resource[VMD_CFGBAR]))
+ return NULL;
+
+ return addr;
+}
+
+/*
+ * CPU may deadlock if config space is not serialized on some versions of this
+ * hardware, so all config space access is done under a spinlock.
+ */
+static int vmd_pci_read(struct pci_bus *bus, unsigned int devfn, int reg,
+ int len, u32 *value)
+{
+ struct vmd_dev *vmd = vmd_from_bus(bus);
+ char __iomem *addr = vmd_cfg_addr(vmd, bus, devfn, reg, len);
+ unsigned long flags;
+ int ret = 0;
+
+ if (!addr)
+ return -EFAULT;
+
+ spin_lock_irqsave(&vmd->cfg_lock, flags);
+ switch (len) {
+ case 1:
+ *value = readb(addr);
+ break;
+ case 2:
+ *value = readw(addr);
+ break;
+ case 4:
+ *value = readl(addr);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ spin_unlock_irqrestore(&vmd->cfg_lock, flags);
+ return ret;
+}
+
+/*
+ * VMD h/w converts non-posted config writes to posted memory writes. The
+ * read-back in this function forces the completion so it returns only after
+ * the config space was written, as expected.
+ */
+static int vmd_pci_write(struct pci_bus *bus, unsigned int devfn, int reg,
+ int len, u32 value)
+{
+ struct vmd_dev *vmd = vmd_from_bus(bus);
+ char __iomem *addr = vmd_cfg_addr(vmd, bus, devfn, reg, len);
+ unsigned long flags;
+ int ret = 0;
+
+ if (!addr)
+ return -EFAULT;
+
+ spin_lock_irqsave(&vmd->cfg_lock, flags);
+ switch (len) {
+ case 1:
+ writeb(value, addr);
+ readb(addr);
+ break;
+ case 2:
+ writew(value, addr);
+ readw(addr);
+ break;
+ case 4:
+ writel(value, addr);
+ readl(addr);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ spin_unlock_irqrestore(&vmd->cfg_lock, flags);
+ return ret;
+}
+
+static struct pci_ops vmd_ops = {
+ .read = vmd_pci_read,
+ .write = vmd_pci_write,
+};
+
+/*
+ * VMD domains start at 0x1000 to not clash with ACPI _SEG domains.
+ */
+static int vmd_find_free_domain(void)
+{
+ int domain = 0xffff;
+ struct pci_bus *bus = NULL;
+
+ while ((bus = pci_find_next_bus(bus)) != NULL)
+ domain = max_t(int, domain, pci_domain_nr(bus));
+ return domain + 1;
+}
+
+static int vmd_enable_domain(struct vmd_dev *vmd)
+{
+ struct pci_sysdata *sd = &vmd->sysdata;
+ struct resource *res;
+ u32 upper_bits;
+ unsigned long flags;
+ LIST_HEAD(resources);
+
+ res = &vmd->dev->resource[VMD_CFGBAR];
+ vmd->resources[0] = (struct resource) {
+ .name = "VMD CFGBAR",
+ .start = res->start,
+ .end = (resource_size(res) >> 20) - 1,
+ .flags = IORESOURCE_BUS | IORESOURCE_PCI_FIXED,
+ };
+
+ res = &vmd->dev->resource[VMD_MEMBAR1];
+ upper_bits = upper_32_bits(res->end);
+ flags = res->flags & ~IORESOURCE_SIZEALIGN;
+ if (!upper_bits)
+ flags &= ~IORESOURCE_MEM_64;
+ vmd->resources[1] = (struct resource) {
+ .name = "VMD MEMBAR1",
+ .start = res->start,
+ .end = res->end,
+ .flags = flags,
+ };
+
+ res = &vmd->dev->resource[VMD_MEMBAR2];
+ upper_bits = upper_32_bits(res->end);
+ flags = res->flags & ~IORESOURCE_SIZEALIGN;
+ if (!upper_bits)
+ flags &= ~IORESOURCE_MEM_64;
+ vmd->resources[2] = (struct resource) {
+ .name = "VMD MEMBAR2",
+ .start = res->start + 0x2000,
+ .end = res->end,
+ .flags = flags,
+ };
+
+ sd->domain = vmd_find_free_domain();
+ if (sd->domain < 0)
+ return sd->domain;
+
+ sd->node = pcibus_to_node(vmd->dev->bus);
+
+ vmd->irq_domain = pci_msi_create_irq_domain(NULL, &vmd_msi_domain_info,
+ NULL);
+ if (!vmd->irq_domain)
+ return -ENODEV;
+
+ pci_add_resource(&resources, &vmd->resources[0]);
+ pci_add_resource(&resources, &vmd->resources[1]);
+ pci_add_resource(&resources, &vmd->resources[2]);
+ vmd->bus = pci_create_root_bus(&vmd->dev->dev, 0, &vmd_ops, sd,
+ &resources);
+ if (!vmd->bus) {
+ pci_free_resource_list(&resources);
+ irq_domain_remove(vmd->irq_domain);
+ return -ENODEV;
+ }
+
+ vmd_setup_dma_ops(vmd);
+ dev_set_msi_domain(&vmd->bus->dev, vmd->irq_domain);
+ pci_rescan_bus(vmd->bus);
+
+ WARN(sysfs_create_link(&vmd->dev->dev.kobj, &vmd->bus->dev.kobj,
+ "domain"), "Can't create symlink to domain\n");
+ return 0;
+}
+
+static irqreturn_t vmd_irq(int irq, void *data)
+{
+ struct vmd_irq_list *irqs = data;
+ struct vmd_irq *vmdirq;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(vmdirq, &irqs->irq_list, node)
+ generic_handle_irq(vmdirq->virq);
+ rcu_read_unlock();
+
+ return IRQ_HANDLED;
+}
+
+static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+ struct vmd_dev *vmd;
+ int i, err;
+
+ if (resource_size(&dev->resource[VMD_CFGBAR]) < (1 << 20))
+ return -ENOMEM;
+
+ vmd = devm_kzalloc(&dev->dev, sizeof(*vmd), GFP_KERNEL);
+ if (!vmd)
+ return -ENOMEM;
+
+ vmd->dev = dev;
+ err = pcim_enable_device(dev);
+ if (err < 0)
+ return err;
+
+ vmd->cfgbar = pcim_iomap(dev, VMD_CFGBAR, 0);
+ if (!vmd->cfgbar)
+ return -ENOMEM;
+
+ pci_set_master(dev);
+ if (dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(64)) &&
+ dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32)))
+ return -ENODEV;
+
+ vmd->msix_count = pci_msix_vec_count(dev);
+ if (vmd->msix_count < 0)
+ return -ENODEV;
+
+ vmd->irqs = devm_kcalloc(&dev->dev, vmd->msix_count, sizeof(*vmd->irqs),
+ GFP_KERNEL);
+ if (!vmd->irqs)
+ return -ENOMEM;
+
+ vmd->msix_entries = devm_kcalloc(&dev->dev, vmd->msix_count,
+ sizeof(*vmd->msix_entries),
+ GFP_KERNEL);
+ if (!vmd->msix_entries)
+ return -ENOMEM;
+ for (i = 0; i < vmd->msix_count; i++)
+ vmd->msix_entries[i].entry = i;
+
+ vmd->msix_count = pci_enable_msix_range(vmd->dev, vmd->msix_entries, 1,
+ vmd->msix_count);
+ if (vmd->msix_count < 0)
+ return vmd->msix_count;
+
+ for (i = 0; i < vmd->msix_count; i++) {
+ INIT_LIST_HEAD(&vmd->irqs[i].irq_list);
+ vmd->irqs[i].vmd_vector = vmd->msix_entries[i].vector;
+ vmd->irqs[i].index = i;
+
+ err = devm_request_irq(&dev->dev, vmd->irqs[i].vmd_vector,
+ vmd_irq, 0, "vmd", &vmd->irqs[i]);
+ if (err)
+ return err;
+ }
+
+ spin_lock_init(&vmd->cfg_lock);
+ pci_set_drvdata(dev, vmd);
+ err = vmd_enable_domain(vmd);
+ if (err)
+ return err;
+
+ dev_info(&vmd->dev->dev, "Bound to PCI domain %04x\n",
+ vmd->sysdata.domain);
+ return 0;
+}
+
+static void vmd_remove(struct pci_dev *dev)
+{
+ struct vmd_dev *vmd = pci_get_drvdata(dev);
+
+ pci_set_drvdata(dev, NULL);
+ sysfs_remove_link(&vmd->dev->dev.kobj, "domain");
+ pci_stop_root_bus(vmd->bus);
+ pci_remove_root_bus(vmd->bus);
+ vmd_teardown_dma_ops(vmd);
+ irq_domain_remove(vmd->irq_domain);
+}
+
+#ifdef CONFIG_PM
+static int vmd_suspend(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+
+ pci_save_state(pdev);
+ return 0;
+}
+
+static int vmd_resume(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+
+ pci_restore_state(pdev);
+ return 0;
+}
+#endif
+static SIMPLE_DEV_PM_OPS(vmd_dev_pm_ops, vmd_suspend, vmd_resume);
+
+static const struct pci_device_id vmd_ids[] = {
+ {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x201d),},
+ {0,}
+};
+MODULE_DEVICE_TABLE(pci, vmd_ids);
+
+static struct pci_driver vmd_drv = {
+ .name = "vmd",
+ .id_table = vmd_ids,
+ .probe = vmd_probe,
+ .remove = vmd_remove,
+ .driver = {
+ .pm = &vmd_dev_pm_ops,
+ },
+};
+module_pci_driver(vmd_drv);
+
+MODULE_AUTHOR("Intel Corporation");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION("0.6");
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 59ac36fe7c42..8c05b5ceeaec 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -25,7 +25,7 @@ DEFINE_RAW_SPINLOCK(pci_lock);
#define PCI_word_BAD (pos & 1)
#define PCI_dword_BAD (pos & 3)
-#define PCI_OP_READ(size,type,len) \
+#define PCI_OP_READ(size, type, len) \
int pci_bus_read_config_##size \
(struct pci_bus *bus, unsigned int devfn, int pos, type *value) \
{ \
@@ -40,7 +40,7 @@ int pci_bus_read_config_##size \
return res; \
}
-#define PCI_OP_WRITE(size,type,len) \
+#define PCI_OP_WRITE(size, type, len) \
int pci_bus_write_config_##size \
(struct pci_bus *bus, unsigned int devfn, int pos, type value) \
{ \
@@ -231,7 +231,7 @@ static noinline void pci_wait_cfg(struct pci_dev *dev)
}
/* Returns 0 on success, negative values indicate error. */
-#define PCI_USER_READ_CONFIG(size,type) \
+#define PCI_USER_READ_CONFIG(size, type) \
int pci_user_read_config_##size \
(struct pci_dev *dev, int pos, type *val) \
{ \
@@ -251,7 +251,7 @@ int pci_user_read_config_##size \
EXPORT_SYMBOL_GPL(pci_user_read_config_##size);
/* Returns 0 on success, negative values indicate error. */
-#define PCI_USER_WRITE_CONFIG(size,type) \
+#define PCI_USER_WRITE_CONFIG(size, type) \
int pci_user_write_config_##size \
(struct pci_dev *dev, int pos, type val) \
{ \
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index d3346d23963b..89b3befc7155 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -140,6 +140,8 @@ static int pci_bus_alloc_from_region(struct pci_bus *bus, struct resource *res,
type_mask |= IORESOURCE_TYPE_BITS;
pci_bus_for_each_resource(bus, r, i) {
+ resource_size_t min_used = min;
+
if (!r)
continue;
@@ -163,12 +165,12 @@ static int pci_bus_alloc_from_region(struct pci_bus *bus, struct resource *res,
* overrides "min".
*/
if (avail.start)
- min = avail.start;
+ min_used = avail.start;
max = avail.end;
/* Ok, try it out.. */
- ret = allocate_resource(r, res, size, min, max,
+ ret = allocate_resource(r, res, size, min_used, max,
align, alignf, alignf_data);
if (ret == 0)
return 0;
diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
index c0ad9aaa16a7..75a605426538 100644
--- a/drivers/pci/host/Kconfig
+++ b/drivers/pci/host/Kconfig
@@ -49,8 +49,7 @@ config PCI_RCAR_GEN2
config PCI_RCAR_GEN2_PCIE
bool "Renesas R-Car PCIe controller"
- depends on ARM
- depends on ARCH_SHMOBILE || COMPILE_TEST
+ depends on ARCH_SHMOBILE || (ARM && COMPILE_TEST)
help
Say Y here if you want PCIe controller support on R-Car Gen2 SoCs.
@@ -119,13 +118,11 @@ config PCI_VERSATILE
depends on ARCH_VERSATILE
config PCIE_IPROC
- tristate "Broadcom iProc PCIe controller"
- depends on OF && (ARM || ARM64)
- default n
+ tristate
help
This enables the iProc PCIe core controller support for Broadcom's
- iProc family of SoCs. An appropriate bus interface driver also needs
- to be enabled
+ iProc family of SoCs. An appropriate bus interface driver needs
+ to be enabled to select this.
config PCIE_IPROC_PLATFORM
tristate "Broadcom iProc PCIe platform bus driver"
@@ -148,6 +145,16 @@ config PCIE_IPROC_BCMA
Say Y here if you want to use the Broadcom iProc PCIe controller
through the BCMA bus interface
+config PCIE_IPROC_MSI
+ bool "Broadcom iProc PCIe MSI support"
+ depends on PCIE_IPROC_PLATFORM || PCIE_IPROC_BCMA
+ depends on PCI_MSI
+ select PCI_MSI_IRQ_DOMAIN
+ default ARCH_BCM_IPROC
+ help
+ Say Y here if you want to enable MSI support for Broadcom's iProc
+ PCIe controller
+
config PCIE_ALTERA
bool "Altera PCIe controller"
depends on ARM || NIOS2
@@ -167,10 +174,21 @@ config PCIE_ALTERA_MSI
config PCI_HISI
depends on OF && ARM64
- bool "HiSilicon SoC HIP05 PCIe controller"
+ bool "HiSilicon Hip05 and Hip06 SoCs PCIe controllers"
select PCIEPORTBUS
select PCIE_DW
help
- Say Y here if you want PCIe controller support on HiSilicon HIP05 SoC
+ Say Y here if you want PCIe controller support on HiSilicon
+ Hip05 and Hip06 SoCs
+
+config PCIE_QCOM
+ bool "Qualcomm PCIe controller"
+ depends on ARCH_QCOM && OF
+ select PCIE_DW
+ select PCIEPORTBUS
+ help
+ Say Y here to enable PCIe controller support on Qualcomm SoCs. The
+ PCIe controller uses the Designware core plus Qualcomm-specific
+ hardware wrappers.
endmenu
diff --git a/drivers/pci/host/Makefile b/drivers/pci/host/Makefile
index 9d4d3c6924a1..7b2f20c6ccc6 100644
--- a/drivers/pci/host/Makefile
+++ b/drivers/pci/host/Makefile
@@ -15,8 +15,10 @@ obj-$(CONFIG_PCI_XGENE_MSI) += pci-xgene-msi.o
obj-$(CONFIG_PCI_LAYERSCAPE) += pci-layerscape.o
obj-$(CONFIG_PCI_VERSATILE) += pci-versatile.o
obj-$(CONFIG_PCIE_IPROC) += pcie-iproc.o
+obj-$(CONFIG_PCIE_IPROC_MSI) += pcie-iproc-msi.o
obj-$(CONFIG_PCIE_IPROC_PLATFORM) += pcie-iproc-platform.o
obj-$(CONFIG_PCIE_IPROC_BCMA) += pcie-iproc-bcma.o
obj-$(CONFIG_PCIE_ALTERA) += pcie-altera.o
obj-$(CONFIG_PCIE_ALTERA_MSI) += pcie-altera-msi.o
obj-$(CONFIG_PCI_HISI) += pcie-hisi.o
+obj-$(CONFIG_PCIE_QCOM) += pcie-qcom.o
diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
index 8c3688046c02..923607bdabc5 100644
--- a/drivers/pci/host/pci-dra7xx.c
+++ b/drivers/pci/host/pci-dra7xx.c
@@ -302,7 +302,8 @@ static int __init dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx,
}
ret = devm_request_irq(&pdev->dev, pp->irq,
- dra7xx_pcie_msi_irq_handler, IRQF_SHARED,
+ dra7xx_pcie_msi_irq_handler,
+ IRQF_SHARED | IRQF_NO_THREAD,
"dra7-pcie-msi", pp);
if (ret) {
dev_err(&pdev->dev, "failed to request irq\n");
diff --git a/drivers/pci/host/pci-exynos.c b/drivers/pci/host/pci-exynos.c
index 01095e1160a4..d997d22d4231 100644
--- a/drivers/pci/host/pci-exynos.c
+++ b/drivers/pci/host/pci-exynos.c
@@ -522,7 +522,8 @@ static int __init exynos_add_pcie_port(struct pcie_port *pp,
ret = devm_request_irq(&pdev->dev, pp->msi_irq,
exynos_pcie_msi_irq_handler,
- IRQF_SHARED, "exynos-pcie", pp);
+ IRQF_SHARED | IRQF_NO_THREAD,
+ "exynos-pcie", pp);
if (ret) {
dev_err(&pdev->dev, "failed to request msi irq\n");
return ret;
diff --git a/drivers/pci/host/pci-host-generic.c b/drivers/pci/host/pci-host-generic.c
index 5434c90db243..1652bc70b145 100644
--- a/drivers/pci/host/pci-host-generic.c
+++ b/drivers/pci/host/pci-host-generic.c
@@ -38,16 +38,7 @@ struct gen_pci_cfg_windows {
struct gen_pci_cfg_bus_ops *ops;
};
-/*
- * ARM pcibios functions expect the ARM struct pci_sys_data as the PCI
- * sysdata. Add pci_sys_data as the first element in struct gen_pci so
- * that when we use a gen_pci pointer as sysdata, it is also a pointer to
- * a struct pci_sys_data.
- */
struct gen_pci {
-#ifdef CONFIG_ARM
- struct pci_sys_data sys;
-#endif
struct pci_host_bridge host;
struct gen_pci_cfg_windows cfg;
struct list_head resources;
diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c
index 22e8224126fd..fe600964fa50 100644
--- a/drivers/pci/host/pci-imx6.c
+++ b/drivers/pci/host/pci-imx6.c
@@ -32,7 +32,7 @@
#define to_imx6_pcie(x) container_of(x, struct imx6_pcie, pp)
struct imx6_pcie {
- int reset_gpio;
+ struct gpio_desc *reset_gpio;
struct clk *pcie_bus;
struct clk *pcie_phy;
struct clk *pcie;
@@ -122,7 +122,7 @@ static int pcie_phy_wait_ack(void __iomem *dbi_base, int addr)
}
/* Read from the 16-bit PCIe PHY control registers (not memory-mapped) */
-static int pcie_phy_read(void __iomem *dbi_base, int addr , int *data)
+static int pcie_phy_read(void __iomem *dbi_base, int addr, int *data)
{
u32 val, phy_ctl;
int ret;
@@ -287,10 +287,10 @@ static int imx6_pcie_deassert_core_reset(struct pcie_port *pp)
usleep_range(200, 500);
/* Some boards don't have PCIe reset GPIO. */
- if (gpio_is_valid(imx6_pcie->reset_gpio)) {
- gpio_set_value(imx6_pcie->reset_gpio, 0);
+ if (imx6_pcie->reset_gpio) {
+ gpiod_set_value_cansleep(imx6_pcie->reset_gpio, 0);
msleep(100);
- gpio_set_value(imx6_pcie->reset_gpio, 1);
+ gpiod_set_value_cansleep(imx6_pcie->reset_gpio, 1);
}
return 0;
@@ -537,7 +537,8 @@ static int __init imx6_add_pcie_port(struct pcie_port *pp,
ret = devm_request_irq(&pdev->dev, pp->msi_irq,
imx6_pcie_msi_handler,
- IRQF_SHARED, "mx6-pcie-msi", pp);
+ IRQF_SHARED | IRQF_NO_THREAD,
+ "mx6-pcie-msi", pp);
if (ret) {
dev_err(&pdev->dev, "failed to request MSI irq\n");
return ret;
@@ -560,7 +561,6 @@ static int __init imx6_pcie_probe(struct platform_device *pdev)
{
struct imx6_pcie *imx6_pcie;
struct pcie_port *pp;
- struct device_node *np = pdev->dev.of_node;
struct resource *dbi_base;
int ret;
@@ -581,15 +581,8 @@ static int __init imx6_pcie_probe(struct platform_device *pdev)
return PTR_ERR(pp->dbi_base);
/* Fetch GPIOs */
- imx6_pcie->reset_gpio = of_get_named_gpio(np, "reset-gpio", 0);
- if (gpio_is_valid(imx6_pcie->reset_gpio)) {
- ret = devm_gpio_request_one(&pdev->dev, imx6_pcie->reset_gpio,
- GPIOF_OUT_INIT_LOW, "PCIe reset");
- if (ret) {
- dev_err(&pdev->dev, "unable to get reset gpio\n");
- return ret;
- }
- }
+ imx6_pcie->reset_gpio = devm_gpiod_get_optional(&pdev->dev, "reset",
+ GPIOD_OUT_LOW);
/* Fetch clocks */
imx6_pcie->pcie_phy = devm_clk_get(&pdev->dev, "pcie_phy");
diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index c4f64bfee551..9980a4bdae7e 100644
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c
@@ -15,6 +15,7 @@
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of_address.h>
#include <linux/of_pci.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
@@ -102,6 +103,8 @@ struct rcar_pci_priv {
unsigned busnr;
int irq;
unsigned long window_size;
+ unsigned long window_addr;
+ unsigned long window_pci;
};
/* PCI configuration space operations */
@@ -239,8 +242,8 @@ static int rcar_pci_setup(int nr, struct pci_sys_data *sys)
RCAR_PCI_ARBITER_PCIBP_MODE;
iowrite32(val, reg + RCAR_PCI_ARBITER_CTR_REG);
- /* PCI-AHB mapping: 0x40000000 base */
- iowrite32(0x40000000 | RCAR_PCIAHB_PREFETCH16,
+ /* PCI-AHB mapping */
+ iowrite32(priv->window_addr | RCAR_PCIAHB_PREFETCH16,
reg + RCAR_PCIAHB_WIN1_CTR_REG);
/* AHB-PCI mapping: OHCI/EHCI registers */
@@ -251,7 +254,7 @@ static int rcar_pci_setup(int nr, struct pci_sys_data *sys)
iowrite32(RCAR_AHBPCI_WIN1_HOST | RCAR_AHBPCI_WIN_CTR_CFG,
reg + RCAR_AHBPCI_WIN1_CTR_REG);
/* Set PCI-AHB Window1 address */
- iowrite32(0x40000000 | PCI_BASE_ADDRESS_MEM_PREFETCH,
+ iowrite32(priv->window_pci | PCI_BASE_ADDRESS_MEM_PREFETCH,
reg + PCI_BASE_ADDRESS_1);
/* Set AHB-PCI bridge PCI communication area address */
val = priv->cfg_res->start + RCAR_AHBPCI_PCICOM_OFFSET;
@@ -284,6 +287,64 @@ static struct pci_ops rcar_pci_ops = {
.write = pci_generic_config_write,
};
+static int pci_dma_range_parser_init(struct of_pci_range_parser *parser,
+ struct device_node *node)
+{
+ const int na = 3, ns = 2;
+ int rlen;
+
+ parser->node = node;
+ parser->pna = of_n_addr_cells(node);
+ parser->np = parser->pna + na + ns;
+
+ parser->range = of_get_property(node, "dma-ranges", &rlen);
+ if (!parser->range)
+ return -ENOENT;
+
+ parser->end = parser->range + rlen / sizeof(__be32);
+ return 0;
+}
+
+static int rcar_pci_parse_map_dma_ranges(struct rcar_pci_priv *pci,
+ struct device_node *np)
+{
+ struct of_pci_range range;
+ struct of_pci_range_parser parser;
+ int index = 0;
+
+ /* Failure to parse is ok as we fall back to defaults */
+ if (pci_dma_range_parser_init(&parser, np))
+ return 0;
+
+ /* Get the dma-ranges from DT */
+ for_each_of_pci_range(&parser, &range) {
+ /* Hardware only allows one inbound 32-bit range */
+ if (index)
+ return -EINVAL;
+
+ pci->window_addr = (unsigned long)range.cpu_addr;
+ pci->window_pci = (unsigned long)range.pci_addr;
+ pci->window_size = (unsigned long)range.size;
+
+ /* Catch HW limitations */
+ if (!(range.flags & IORESOURCE_PREFETCH)) {
+ dev_err(pci->dev, "window must be prefetchable\n");
+ return -EINVAL;
+ }
+ if (pci->window_addr) {
+ u32 lowaddr = 1 << (ffs(pci->window_addr) - 1);
+
+ if (lowaddr < pci->window_size) {
+ dev_err(pci->dev, "invalid window size/addr\n");
+ return -EINVAL;
+ }
+ }
+ index++;
+ }
+
+ return 0;
+}
+
static int rcar_pci_probe(struct platform_device *pdev)
{
struct resource *cfg_res, *mem_res;
@@ -329,6 +390,9 @@ static int rcar_pci_probe(struct platform_device *pdev)
return priv->irq;
}
+ /* default window addr and size if not specified in DT */
+ priv->window_addr = 0x40000000;
+ priv->window_pci = 0x40000000;
priv->window_size = SZ_1G;
if (pdev->dev.of_node) {
@@ -344,6 +408,12 @@ static int rcar_pci_probe(struct platform_device *pdev)
priv->busnr = busnr.start;
if (busnr.end != busnr.start)
dev_warn(&pdev->dev, "only one bus number supported\n");
+
+ ret = rcar_pci_parse_map_dma_ranges(priv, pdev->dev.of_node);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to parse dma-range\n");
+ return ret;
+ }
} else {
priv->busnr = pdev->id;
}
@@ -360,6 +430,7 @@ static int rcar_pci_probe(struct platform_device *pdev)
}
static struct of_device_id rcar_pci_of_match[] = {
+ { .compatible = "renesas,pci-rcar-gen2", },
{ .compatible = "renesas,pci-r8a7790", },
{ .compatible = "renesas,pci-r8a7791", },
{ .compatible = "renesas,pci-r8a7794", },
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 3018ae52e092..30323114c53c 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -1288,7 +1288,7 @@ static int tegra_pcie_enable_msi(struct tegra_pcie *pcie)
msi->irq = err;
- err = request_irq(msi->irq, tegra_pcie_msi_irq, 0,
+ err = request_irq(msi->irq, tegra_pcie_msi_irq, IRQF_NO_THREAD,
tegra_msi_irq_chip.name, pcie);
if (err < 0) {
dev_err(&pdev->dev, "failed to request IRQ: %d\n", err);
diff --git a/drivers/pci/host/pci-versatile.c b/drivers/pci/host/pci-versatile.c
index 0863d9cc25f8..f843a72dc51c 100644
--- a/drivers/pci/host/pci-versatile.c
+++ b/drivers/pci/host/pci-versatile.c
@@ -125,9 +125,6 @@ out_release_res:
return err;
}
-/* Unused, temporary to satisfy ARM arch code */
-struct pci_sys_data sys;
-
static int versatile_pci_probe(struct platform_device *pdev)
{
struct resource *res;
@@ -208,7 +205,7 @@ static int versatile_pci_probe(struct platform_device *pdev)
pci_add_flags(PCI_ENABLE_PROC_DOMAINS);
pci_add_flags(PCI_REASSIGN_ALL_BUS | PCI_REASSIGN_ALL_RSRC);
- bus = pci_scan_root_bus(&pdev->dev, 0, &pci_versatile_ops, &sys, &pci_res);
+ bus = pci_scan_root_bus(&pdev->dev, 0, &pci_versatile_ops, NULL, &pci_res);
if (!bus)
return -ENOMEM;
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 02a7452bdf23..21716827847a 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -128,32 +128,26 @@ static inline void dw_pcie_writel_rc(struct pcie_port *pp, u32 val, u32 reg)
static int dw_pcie_rd_own_conf(struct pcie_port *pp, int where, int size,
u32 *val)
{
- int ret;
-
if (pp->ops->rd_own_conf)
- ret = pp->ops->rd_own_conf(pp, where, size, val);
- else
- ret = dw_pcie_cfg_read(pp->dbi_base + where, size, val);
+ return pp->ops->rd_own_conf(pp, where, size, val);
- return ret;
+ return dw_pcie_cfg_read(pp->dbi_base + where, size, val);
}
static int dw_pcie_wr_own_conf(struct pcie_port *pp, int where, int size,
u32 val)
{
- int ret;
-
if (pp->ops->wr_own_conf)
- ret = pp->ops->wr_own_conf(pp, where, size, val);
- else
- ret = dw_pcie_cfg_write(pp->dbi_base + where, size, val);
+ return pp->ops->wr_own_conf(pp, where, size, val);
- return ret;
+ return dw_pcie_cfg_write(pp->dbi_base + where, size, val);
}
static void dw_pcie_prog_outbound_atu(struct pcie_port *pp, int index,
int type, u64 cpu_addr, u64 pci_addr, u32 size)
{
+ u32 val;
+
dw_pcie_writel_rc(pp, PCIE_ATU_REGION_OUTBOUND | index,
PCIE_ATU_VIEWPORT);
dw_pcie_writel_rc(pp, lower_32_bits(cpu_addr), PCIE_ATU_LOWER_BASE);
@@ -164,6 +158,12 @@ static void dw_pcie_prog_outbound_atu(struct pcie_port *pp, int index,
dw_pcie_writel_rc(pp, upper_32_bits(pci_addr), PCIE_ATU_UPPER_TARGET);
dw_pcie_writel_rc(pp, type, PCIE_ATU_CR1);
dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
+
+ /*
+ * Make sure ATU enable takes effect before any subsequent config
+ * and I/O accesses.
+ */
+ dw_pcie_readl_rc(pp, PCIE_ATU_CR2, &val);
}
static struct irq_chip dw_msi_irq_chip = {
@@ -384,8 +384,8 @@ int dw_pcie_link_up(struct pcie_port *pp)
{
if (pp->ops->link_up)
return pp->ops->link_up(pp);
- else
- return 0;
+
+ return 0;
}
static int dw_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
@@ -571,6 +571,9 @@ static int dw_pcie_rd_other_conf(struct pcie_port *pp, struct pci_bus *bus,
u64 cpu_addr;
void __iomem *va_cfg_base;
+ if (pp->ops->rd_other_conf)
+ return pp->ops->rd_other_conf(pp, bus, devfn, where, size, val);
+
busdev = PCIE_ATU_BUS(bus->number) | PCIE_ATU_DEV(PCI_SLOT(devfn)) |
PCIE_ATU_FUNC(PCI_FUNC(devfn));
@@ -605,6 +608,9 @@ static int dw_pcie_wr_other_conf(struct pcie_port *pp, struct pci_bus *bus,
u64 cpu_addr;
void __iomem *va_cfg_base;
+ if (pp->ops->wr_other_conf)
+ return pp->ops->wr_other_conf(pp, bus, devfn, where, size, val);
+
busdev = PCIE_ATU_BUS(bus->number) | PCIE_ATU_DEV(PCI_SLOT(devfn)) |
PCIE_ATU_FUNC(PCI_FUNC(devfn));
@@ -658,46 +664,30 @@ static int dw_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
int size, u32 *val)
{
struct pcie_port *pp = bus->sysdata;
- int ret;
if (dw_pcie_valid_config(pp, bus, PCI_SLOT(devfn)) == 0) {
*val = 0xffffffff;
return PCIBIOS_DEVICE_NOT_FOUND;
}
- if (bus->number != pp->root_bus_nr)
- if (pp->ops->rd_other_conf)
- ret = pp->ops->rd_other_conf(pp, bus, devfn,
- where, size, val);
- else
- ret = dw_pcie_rd_other_conf(pp, bus, devfn,
- where, size, val);
- else
- ret = dw_pcie_rd_own_conf(pp, where, size, val);
+ if (bus->number == pp->root_bus_nr)
+ return dw_pcie_rd_own_conf(pp, where, size, val);
- return ret;
+ return dw_pcie_rd_other_conf(pp, bus, devfn, where, size, val);
}
static int dw_pcie_wr_conf(struct pci_bus *bus, u32 devfn,
int where, int size, u32 val)
{
struct pcie_port *pp = bus->sysdata;
- int ret;
if (dw_pcie_valid_config(pp, bus, PCI_SLOT(devfn)) == 0)
return PCIBIOS_DEVICE_NOT_FOUND;
- if (bus->number != pp->root_bus_nr)
- if (pp->ops->wr_other_conf)
- ret = pp->ops->wr_other_conf(pp, bus, devfn,
- where, size, val);
- else
- ret = dw_pcie_wr_other_conf(pp, bus, devfn,
- where, size, val);
- else
- ret = dw_pcie_wr_own_conf(pp, where, size, val);
+ if (bus->number == pp->root_bus_nr)
+ return dw_pcie_wr_own_conf(pp, where, size, val);
- return ret;
+ return dw_pcie_wr_other_conf(pp, bus, devfn, where, size, val);
}
static struct pci_ops dw_pcie_ops = {
diff --git a/drivers/pci/host/pcie-hisi.c b/drivers/pci/host/pcie-hisi.c
index 77f7c669a1b9..3e98d4edae2d 100644
--- a/drivers/pci/host/pcie-hisi.c
+++ b/drivers/pci/host/pcie-hisi.c
@@ -1,10 +1,11 @@
/*
- * PCIe host controller driver for HiSilicon Hip05 SoC
+ * PCIe host controller driver for HiSilicon SoCs
*
* Copyright (C) 2015 HiSilicon Co., Ltd. http://www.hisilicon.com
*
- * Author: Zhou Wang <wangzhou1@hisilicon.com>
- * Dacai Zhu <zhudacai@hisilicon.com>
+ * Authors: Zhou Wang <wangzhou1@hisilicon.com>
+ * Dacai Zhu <zhudacai@hisilicon.com>
+ * Gabriele Paoloni <gabriele.paoloni@huawei.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -16,21 +17,31 @@
#include <linux/of_address.h>
#include <linux/of_pci.h>
#include <linux/platform_device.h>
+#include <linux/of_device.h>
#include <linux/regmap.h>
#include "pcie-designware.h"
-#define PCIE_SUBCTRL_SYS_STATE4_REG 0x6818
-#define PCIE_LTSSM_LINKUP_STATE 0x11
-#define PCIE_LTSSM_STATE_MASK 0x3F
+#define PCIE_LTSSM_LINKUP_STATE 0x11
+#define PCIE_LTSSM_STATE_MASK 0x3F
+#define PCIE_SUBCTRL_SYS_STATE4_REG 0x6818
+#define PCIE_SYS_STATE4 0x31c
+#define PCIE_HIP06_CTRL_OFF 0x1000
#define to_hisi_pcie(x) container_of(x, struct hisi_pcie, pp)
+struct hisi_pcie;
+
+struct pcie_soc_ops {
+ int (*hisi_pcie_link_up)(struct hisi_pcie *pcie);
+};
+
struct hisi_pcie {
struct regmap *subctrl;
void __iomem *reg_base;
u32 port_id;
struct pcie_port pp;
+ struct pcie_soc_ops *soc_ops;
};
static inline void hisi_pcie_apb_writel(struct hisi_pcie *pcie,
@@ -44,7 +55,7 @@ static inline u32 hisi_pcie_apb_readl(struct hisi_pcie *pcie, u32 reg)
return readl(pcie->reg_base + reg);
}
-/* Hip05 PCIe host only supports 32-bit config access */
+/* HipXX PCIe host only supports 32-bit config access */
static int hisi_pcie_cfg_read(struct pcie_port *pp, int where, int size,
u32 *val)
{
@@ -69,7 +80,7 @@ static int hisi_pcie_cfg_read(struct pcie_port *pp, int where, int size,
return PCIBIOS_SUCCESSFUL;
}
-/* Hip05 PCIe host only supports 32-bit config access */
+/* HipXX PCIe host only supports 32-bit config access */
static int hisi_pcie_cfg_write(struct pcie_port *pp, int where, int size,
u32 val)
{
@@ -96,10 +107,9 @@ static int hisi_pcie_cfg_write(struct pcie_port *pp, int where, int size,
return PCIBIOS_SUCCESSFUL;
}
-static int hisi_pcie_link_up(struct pcie_port *pp)
+static int hisi_pcie_link_up_hip05(struct hisi_pcie *hisi_pcie)
{
u32 val;
- struct hisi_pcie *hisi_pcie = to_hisi_pcie(pp);
regmap_read(hisi_pcie->subctrl, PCIE_SUBCTRL_SYS_STATE4_REG +
0x100 * hisi_pcie->port_id, &val);
@@ -107,6 +117,23 @@ static int hisi_pcie_link_up(struct pcie_port *pp)
return ((val & PCIE_LTSSM_STATE_MASK) == PCIE_LTSSM_LINKUP_STATE);
}
+static int hisi_pcie_link_up_hip06(struct hisi_pcie *hisi_pcie)
+{
+ u32 val;
+
+ val = hisi_pcie_apb_readl(hisi_pcie, PCIE_HIP06_CTRL_OFF +
+ PCIE_SYS_STATE4);
+
+ return ((val & PCIE_LTSSM_STATE_MASK) == PCIE_LTSSM_LINKUP_STATE);
+}
+
+static int hisi_pcie_link_up(struct pcie_port *pp)
+{
+ struct hisi_pcie *hisi_pcie = to_hisi_pcie(pp);
+
+ return hisi_pcie->soc_ops->hisi_pcie_link_up(hisi_pcie);
+}
+
static struct pcie_host_ops hisi_pcie_host_ops = {
.rd_own_conf = hisi_pcie_cfg_read,
.wr_own_conf = hisi_pcie_cfg_write,
@@ -145,7 +172,9 @@ static int hisi_pcie_probe(struct platform_device *pdev)
{
struct hisi_pcie *hisi_pcie;
struct pcie_port *pp;
+ const struct of_device_id *match;
struct resource *reg;
+ struct device_driver *driver;
int ret;
hisi_pcie = devm_kzalloc(&pdev->dev, sizeof(*hisi_pcie), GFP_KERNEL);
@@ -154,6 +183,10 @@ static int hisi_pcie_probe(struct platform_device *pdev)
pp = &hisi_pcie->pp;
pp->dev = &pdev->dev;
+ driver = (pdev->dev).driver;
+
+ match = of_match_device(driver->of_match_table, &pdev->dev);
+ hisi_pcie->soc_ops = (struct pcie_soc_ops *) match->data;
hisi_pcie->subctrl =
syscon_regmap_lookup_by_compatible("hisilicon,pcie-sas-subctrl");
@@ -182,11 +215,27 @@ static int hisi_pcie_probe(struct platform_device *pdev)
return 0;
}
+static struct pcie_soc_ops hip05_ops = {
+ &hisi_pcie_link_up_hip05
+};
+
+static struct pcie_soc_ops hip06_ops = {
+ &hisi_pcie_link_up_hip06
+};
+
static const struct of_device_id hisi_pcie_of_match[] = {
- {.compatible = "hisilicon,hip05-pcie",},
+ {
+ .compatible = "hisilicon,hip05-pcie",
+ .data = (void *) &hip05_ops,
+ },
+ {
+ .compatible = "hisilicon,hip06-pcie",
+ .data = (void *) &hip06_ops,
+ },
{},
};
+
MODULE_DEVICE_TABLE(of, hisi_pcie_of_match);
static struct platform_driver hisi_pcie_driver = {
@@ -198,3 +247,8 @@ static struct platform_driver hisi_pcie_driver = {
};
module_platform_driver(hisi_pcie_driver);
+
+MODULE_AUTHOR("Zhou Wang <wangzhou1@hisilicon.com>");
+MODULE_AUTHOR("Dacai Zhu <zhudacai@hisilicon.com>");
+MODULE_AUTHOR("Gabriele Paoloni <gabriele.paoloni@huawei.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pci/host/pcie-iproc-bcma.c b/drivers/pci/host/pcie-iproc-bcma.c
index 96a7d999fd5e..0d7bee4a0d26 100644
--- a/drivers/pci/host/pcie-iproc-bcma.c
+++ b/drivers/pci/host/pcie-iproc-bcma.c
@@ -55,6 +55,7 @@ static int iproc_pcie_bcma_probe(struct bcma_device *bdev)
bcma_set_drvdata(bdev, pcie);
pcie->base = bdev->io_addr;
+ pcie->base_addr = bdev->addr;
res_mem.start = bdev->addr_s[0];
res_mem.end = bdev->addr_s[0] + SZ_128M - 1;
diff --git a/drivers/pci/host/pcie-iproc-msi.c b/drivers/pci/host/pcie-iproc-msi.c
new file mode 100644
index 000000000000..9a2973bdc78a
--- /dev/null
+++ b/drivers/pci/host/pcie-iproc-msi.c
@@ -0,0 +1,675 @@
+/*
+ * Copyright (C) 2015 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irqchip/chained_irq.h>
+#include <linux/irqdomain.h>
+#include <linux/msi.h>
+#include <linux/of_irq.h>
+#include <linux/of_pci.h>
+#include <linux/pci.h>
+
+#include "pcie-iproc.h"
+
+#define IPROC_MSI_INTR_EN_SHIFT 11
+#define IPROC_MSI_INTR_EN BIT(IPROC_MSI_INTR_EN_SHIFT)
+#define IPROC_MSI_INT_N_EVENT_SHIFT 1
+#define IPROC_MSI_INT_N_EVENT BIT(IPROC_MSI_INT_N_EVENT_SHIFT)
+#define IPROC_MSI_EQ_EN_SHIFT 0
+#define IPROC_MSI_EQ_EN BIT(IPROC_MSI_EQ_EN_SHIFT)
+
+#define IPROC_MSI_EQ_MASK 0x3f
+
+/* Max number of GIC interrupts */
+#define NR_HW_IRQS 6
+
+/* Number of entries in each event queue */
+#define EQ_LEN 64
+
+/* Size of each event queue memory region */
+#define EQ_MEM_REGION_SIZE SZ_4K
+
+/* Size of each MSI address region */
+#define MSI_MEM_REGION_SIZE SZ_4K
+
+enum iproc_msi_reg {
+ IPROC_MSI_EQ_PAGE = 0,
+ IPROC_MSI_EQ_PAGE_UPPER,
+ IPROC_MSI_PAGE,
+ IPROC_MSI_PAGE_UPPER,
+ IPROC_MSI_CTRL,
+ IPROC_MSI_EQ_HEAD,
+ IPROC_MSI_EQ_TAIL,
+ IPROC_MSI_INTS_EN,
+ IPROC_MSI_REG_SIZE,
+};
+
+struct iproc_msi;
+
+/**
+ * iProc MSI group
+ *
+ * One MSI group is allocated per GIC interrupt, serviced by one iProc MSI
+ * event queue.
+ *
+ * @msi: pointer to iProc MSI data
+ * @gic_irq: GIC interrupt
+ * @eq: Event queue number
+ */
+struct iproc_msi_grp {
+ struct iproc_msi *msi;
+ int gic_irq;
+ unsigned int eq;
+};
+
+/**
+ * iProc event queue based MSI
+ *
+ * Only meant to be used on platforms without MSI support integrated into the
+ * GIC.
+ *
+ * @pcie: pointer to iProc PCIe data
+ * @reg_offsets: MSI register offsets
+ * @grps: MSI groups
+ * @nr_irqs: number of total interrupts connected to GIC
+ * @nr_cpus: number of toal CPUs
+ * @has_inten_reg: indicates the MSI interrupt enable register needs to be
+ * set explicitly (required for some legacy platforms)
+ * @bitmap: MSI vector bitmap
+ * @bitmap_lock: lock to protect access to the MSI bitmap
+ * @nr_msi_vecs: total number of MSI vectors
+ * @inner_domain: inner IRQ domain
+ * @msi_domain: MSI IRQ domain
+ * @nr_eq_region: required number of 4K aligned memory region for MSI event
+ * queues
+ * @nr_msi_region: required number of 4K aligned address region for MSI posted
+ * writes
+ * @eq_cpu: pointer to allocated memory region for MSI event queues
+ * @eq_dma: DMA address of MSI event queues
+ * @msi_addr: MSI address
+ */
+struct iproc_msi {
+ struct iproc_pcie *pcie;
+ const u16 (*reg_offsets)[IPROC_MSI_REG_SIZE];
+ struct iproc_msi_grp *grps;
+ int nr_irqs;
+ int nr_cpus;
+ bool has_inten_reg;
+ unsigned long *bitmap;
+ struct mutex bitmap_lock;
+ unsigned int nr_msi_vecs;
+ struct irq_domain *inner_domain;
+ struct irq_domain *msi_domain;
+ unsigned int nr_eq_region;
+ unsigned int nr_msi_region;
+ void *eq_cpu;
+ dma_addr_t eq_dma;
+ phys_addr_t msi_addr;
+};
+
+static const u16 iproc_msi_reg_paxb[NR_HW_IRQS][IPROC_MSI_REG_SIZE] = {
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x210, 0x250, 0x254, 0x208 },
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x214, 0x258, 0x25c, 0x208 },
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x218, 0x260, 0x264, 0x208 },
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x21c, 0x268, 0x26c, 0x208 },
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x220, 0x270, 0x274, 0x208 },
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x224, 0x278, 0x27c, 0x208 },
+};
+
+static const u16 iproc_msi_reg_paxc[NR_HW_IRQS][IPROC_MSI_REG_SIZE] = {
+ { 0xc00, 0xc04, 0xc08, 0xc0c, 0xc40, 0xc50, 0xc60 },
+ { 0xc10, 0xc14, 0xc18, 0xc1c, 0xc44, 0xc54, 0xc64 },
+ { 0xc20, 0xc24, 0xc28, 0xc2c, 0xc48, 0xc58, 0xc68 },
+ { 0xc30, 0xc34, 0xc38, 0xc3c, 0xc4c, 0xc5c, 0xc6c },
+};
+
+static inline u32 iproc_msi_read_reg(struct iproc_msi *msi,
+ enum iproc_msi_reg reg,
+ unsigned int eq)
+{
+ struct iproc_pcie *pcie = msi->pcie;
+
+ return readl_relaxed(pcie->base + msi->reg_offsets[eq][reg]);
+}
+
+static inline void iproc_msi_write_reg(struct iproc_msi *msi,
+ enum iproc_msi_reg reg,
+ int eq, u32 val)
+{
+ struct iproc_pcie *pcie = msi->pcie;
+
+ writel_relaxed(val, pcie->base + msi->reg_offsets[eq][reg]);
+}
+
+static inline u32 hwirq_to_group(struct iproc_msi *msi, unsigned long hwirq)
+{
+ return (hwirq % msi->nr_irqs);
+}
+
+static inline unsigned int iproc_msi_addr_offset(struct iproc_msi *msi,
+ unsigned long hwirq)
+{
+ if (msi->nr_msi_region > 1)
+ return hwirq_to_group(msi, hwirq) * MSI_MEM_REGION_SIZE;
+ else
+ return hwirq_to_group(msi, hwirq) * sizeof(u32);
+}
+
+static inline unsigned int iproc_msi_eq_offset(struct iproc_msi *msi, u32 eq)
+{
+ if (msi->nr_eq_region > 1)
+ return eq * EQ_MEM_REGION_SIZE;
+ else
+ return eq * EQ_LEN * sizeof(u32);
+}
+
+static struct irq_chip iproc_msi_irq_chip = {
+ .name = "iProc-MSI",
+};
+
+static struct msi_domain_info iproc_msi_domain_info = {
+ .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
+ MSI_FLAG_PCI_MSIX,
+ .chip = &iproc_msi_irq_chip,
+};
+
+/*
+ * In iProc PCIe core, each MSI group is serviced by a GIC interrupt and a
+ * dedicated event queue. Each MSI group can support up to 64 MSI vectors.
+ *
+ * The number of MSI groups varies between different iProc SoCs. The total
+ * number of CPU cores also varies. To support MSI IRQ affinity, we
+ * distribute GIC interrupts across all available CPUs. MSI vector is moved
+ * from one GIC interrupt to another to steer to the target CPU.
+ *
+ * Assuming:
+ * - the number of MSI groups is M
+ * - the number of CPU cores is N
+ * - M is always a multiple of N
+ *
+ * Total number of raw MSI vectors = M * 64
+ * Total number of supported MSI vectors = (M * 64) / N
+ */
+static inline int hwirq_to_cpu(struct iproc_msi *msi, unsigned long hwirq)
+{
+ return (hwirq % msi->nr_cpus);
+}
+
+static inline unsigned long hwirq_to_canonical_hwirq(struct iproc_msi *msi,
+ unsigned long hwirq)
+{
+ return (hwirq - hwirq_to_cpu(msi, hwirq));
+}
+
+static int iproc_msi_irq_set_affinity(struct irq_data *data,
+ const struct cpumask *mask, bool force)
+{
+ struct iproc_msi *msi = irq_data_get_irq_chip_data(data);
+ int target_cpu = cpumask_first(mask);
+ int curr_cpu;
+
+ curr_cpu = hwirq_to_cpu(msi, data->hwirq);
+ if (curr_cpu == target_cpu)
+ return IRQ_SET_MASK_OK_DONE;
+
+ /* steer MSI to the target CPU */
+ data->hwirq = hwirq_to_canonical_hwirq(msi, data->hwirq) + target_cpu;
+
+ return IRQ_SET_MASK_OK;
+}
+
+static void iproc_msi_irq_compose_msi_msg(struct irq_data *data,
+ struct msi_msg *msg)
+{
+ struct iproc_msi *msi = irq_data_get_irq_chip_data(data);
+ dma_addr_t addr;
+
+ addr = msi->msi_addr + iproc_msi_addr_offset(msi, data->hwirq);
+ msg->address_lo = lower_32_bits(addr);
+ msg->address_hi = upper_32_bits(addr);
+ msg->data = data->hwirq;
+}
+
+static struct irq_chip iproc_msi_bottom_irq_chip = {
+ .name = "MSI",
+ .irq_set_affinity = iproc_msi_irq_set_affinity,
+ .irq_compose_msi_msg = iproc_msi_irq_compose_msi_msg,
+};
+
+static int iproc_msi_irq_domain_alloc(struct irq_domain *domain,
+ unsigned int virq, unsigned int nr_irqs,
+ void *args)
+{
+ struct iproc_msi *msi = domain->host_data;
+ int hwirq;
+
+ mutex_lock(&msi->bitmap_lock);
+
+ /* Allocate 'nr_cpus' number of MSI vectors each time */
+ hwirq = bitmap_find_next_zero_area(msi->bitmap, msi->nr_msi_vecs, 0,
+ msi->nr_cpus, 0);
+ if (hwirq < msi->nr_msi_vecs) {
+ bitmap_set(msi->bitmap, hwirq, msi->nr_cpus);
+ } else {
+ mutex_unlock(&msi->bitmap_lock);
+ return -ENOSPC;
+ }
+
+ mutex_unlock(&msi->bitmap_lock);
+
+ irq_domain_set_info(domain, virq, hwirq, &iproc_msi_bottom_irq_chip,
+ domain->host_data, handle_simple_irq, NULL, NULL);
+
+ return 0;
+}
+
+static void iproc_msi_irq_domain_free(struct irq_domain *domain,
+ unsigned int virq, unsigned int nr_irqs)
+{
+ struct irq_data *data = irq_domain_get_irq_data(domain, virq);
+ struct iproc_msi *msi = irq_data_get_irq_chip_data(data);
+ unsigned int hwirq;
+
+ mutex_lock(&msi->bitmap_lock);
+
+ hwirq = hwirq_to_canonical_hwirq(msi, data->hwirq);
+ bitmap_clear(msi->bitmap, hwirq, msi->nr_cpus);
+
+ mutex_unlock(&msi->bitmap_lock);
+
+ irq_domain_free_irqs_parent(domain, virq, nr_irqs);
+}
+
+static const struct irq_domain_ops msi_domain_ops = {
+ .alloc = iproc_msi_irq_domain_alloc,
+ .free = iproc_msi_irq_domain_free,
+};
+
+static inline u32 decode_msi_hwirq(struct iproc_msi *msi, u32 eq, u32 head)
+{
+ u32 *msg, hwirq;
+ unsigned int offs;
+
+ offs = iproc_msi_eq_offset(msi, eq) + head * sizeof(u32);
+ msg = (u32 *)(msi->eq_cpu + offs);
+ hwirq = *msg & IPROC_MSI_EQ_MASK;
+
+ /*
+ * Since we have multiple hwirq mapped to a single MSI vector,
+ * now we need to derive the hwirq at CPU0. It can then be used to
+ * mapped back to virq.
+ */
+ return hwirq_to_canonical_hwirq(msi, hwirq);
+}
+
+static void iproc_msi_handler(struct irq_desc *desc)
+{
+ struct irq_chip *chip = irq_desc_get_chip(desc);
+ struct iproc_msi_grp *grp;
+ struct iproc_msi *msi;
+ struct iproc_pcie *pcie;
+ u32 eq, head, tail, nr_events;
+ unsigned long hwirq;
+ int virq;
+
+ chained_irq_enter(chip, desc);
+
+ grp = irq_desc_get_handler_data(desc);
+ msi = grp->msi;
+ pcie = msi->pcie;
+ eq = grp->eq;
+
+ /*
+ * iProc MSI event queue is tracked by head and tail pointers. Head
+ * pointer indicates the next entry (MSI data) to be consumed by SW in
+ * the queue and needs to be updated by SW. iProc MSI core uses the
+ * tail pointer as the next data insertion point.
+ *
+ * Entries between head and tail pointers contain valid MSI data. MSI
+ * data is guaranteed to be in the event queue memory before the tail
+ * pointer is updated by the iProc MSI core.
+ */
+ head = iproc_msi_read_reg(msi, IPROC_MSI_EQ_HEAD,
+ eq) & IPROC_MSI_EQ_MASK;
+ do {
+ tail = iproc_msi_read_reg(msi, IPROC_MSI_EQ_TAIL,
+ eq) & IPROC_MSI_EQ_MASK;
+
+ /*
+ * Figure out total number of events (MSI data) to be
+ * processed.
+ */
+ nr_events = (tail < head) ?
+ (EQ_LEN - (head - tail)) : (tail - head);
+ if (!nr_events)
+ break;
+
+ /* process all outstanding events */
+ while (nr_events--) {
+ hwirq = decode_msi_hwirq(msi, eq, head);
+ virq = irq_find_mapping(msi->inner_domain, hwirq);
+ generic_handle_irq(virq);
+
+ head++;
+ head %= EQ_LEN;
+ }
+
+ /*
+ * Now all outstanding events have been processed. Update the
+ * head pointer.
+ */
+ iproc_msi_write_reg(msi, IPROC_MSI_EQ_HEAD, eq, head);
+
+ /*
+ * Now go read the tail pointer again to see if there are new
+ * oustanding events that came in during the above window.
+ */
+ } while (true);
+
+ chained_irq_exit(chip, desc);
+}
+
+static void iproc_msi_enable(struct iproc_msi *msi)
+{
+ int i, eq;
+ u32 val;
+
+ /* Program memory region for each event queue */
+ for (i = 0; i < msi->nr_eq_region; i++) {
+ dma_addr_t addr = msi->eq_dma + (i * EQ_MEM_REGION_SIZE);
+
+ iproc_msi_write_reg(msi, IPROC_MSI_EQ_PAGE, i,
+ lower_32_bits(addr));
+ iproc_msi_write_reg(msi, IPROC_MSI_EQ_PAGE_UPPER, i,
+ upper_32_bits(addr));
+ }
+
+ /* Program address region for MSI posted writes */
+ for (i = 0; i < msi->nr_msi_region; i++) {
+ phys_addr_t addr = msi->msi_addr + (i * MSI_MEM_REGION_SIZE);
+
+ iproc_msi_write_reg(msi, IPROC_MSI_PAGE, i,
+ lower_32_bits(addr));
+ iproc_msi_write_reg(msi, IPROC_MSI_PAGE_UPPER, i,
+ upper_32_bits(addr));
+ }
+
+ for (eq = 0; eq < msi->nr_irqs; eq++) {
+ /* Enable MSI event queue */
+ val = IPROC_MSI_INTR_EN | IPROC_MSI_INT_N_EVENT |
+ IPROC_MSI_EQ_EN;
+ iproc_msi_write_reg(msi, IPROC_MSI_CTRL, eq, val);
+
+ /*
+ * Some legacy platforms require the MSI interrupt enable
+ * register to be set explicitly.
+ */
+ if (msi->has_inten_reg) {
+ val = iproc_msi_read_reg(msi, IPROC_MSI_INTS_EN, eq);
+ val |= BIT(eq);
+ iproc_msi_write_reg(msi, IPROC_MSI_INTS_EN, eq, val);
+ }
+ }
+}
+
+static void iproc_msi_disable(struct iproc_msi *msi)
+{
+ u32 eq, val;
+
+ for (eq = 0; eq < msi->nr_irqs; eq++) {
+ if (msi->has_inten_reg) {
+ val = iproc_msi_read_reg(msi, IPROC_MSI_INTS_EN, eq);
+ val &= ~BIT(eq);
+ iproc_msi_write_reg(msi, IPROC_MSI_INTS_EN, eq, val);
+ }
+
+ val = iproc_msi_read_reg(msi, IPROC_MSI_CTRL, eq);
+ val &= ~(IPROC_MSI_INTR_EN | IPROC_MSI_INT_N_EVENT |
+ IPROC_MSI_EQ_EN);
+ iproc_msi_write_reg(msi, IPROC_MSI_CTRL, eq, val);
+ }
+}
+
+static int iproc_msi_alloc_domains(struct device_node *node,
+ struct iproc_msi *msi)
+{
+ msi->inner_domain = irq_domain_add_linear(NULL, msi->nr_msi_vecs,
+ &msi_domain_ops, msi);
+ if (!msi->inner_domain)
+ return -ENOMEM;
+
+ msi->msi_domain = pci_msi_create_irq_domain(of_node_to_fwnode(node),
+ &iproc_msi_domain_info,
+ msi->inner_domain);
+ if (!msi->msi_domain) {
+ irq_domain_remove(msi->inner_domain);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void iproc_msi_free_domains(struct iproc_msi *msi)
+{
+ if (msi->msi_domain)
+ irq_domain_remove(msi->msi_domain);
+
+ if (msi->inner_domain)
+ irq_domain_remove(msi->inner_domain);
+}
+
+static void iproc_msi_irq_free(struct iproc_msi *msi, unsigned int cpu)
+{
+ int i;
+
+ for (i = cpu; i < msi->nr_irqs; i += msi->nr_cpus) {
+ irq_set_chained_handler_and_data(msi->grps[i].gic_irq,
+ NULL, NULL);
+ }
+}
+
+static int iproc_msi_irq_setup(struct iproc_msi *msi, unsigned int cpu)
+{
+ int i, ret;
+ cpumask_var_t mask;
+ struct iproc_pcie *pcie = msi->pcie;
+
+ for (i = cpu; i < msi->nr_irqs; i += msi->nr_cpus) {
+ irq_set_chained_handler_and_data(msi->grps[i].gic_irq,
+ iproc_msi_handler,
+ &msi->grps[i]);
+ /* Dedicate GIC interrupt to each CPU core */
+ if (alloc_cpumask_var(&mask, GFP_KERNEL)) {
+ cpumask_clear(mask);
+ cpumask_set_cpu(cpu, mask);
+ ret = irq_set_affinity(msi->grps[i].gic_irq, mask);
+ if (ret)
+ dev_err(pcie->dev,
+ "failed to set affinity for IRQ%d\n",
+ msi->grps[i].gic_irq);
+ free_cpumask_var(mask);
+ } else {
+ dev_err(pcie->dev, "failed to alloc CPU mask\n");
+ ret = -EINVAL;
+ }
+
+ if (ret) {
+ /* Free all configured/unconfigured IRQs */
+ iproc_msi_irq_free(msi, cpu);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+int iproc_msi_init(struct iproc_pcie *pcie, struct device_node *node)
+{
+ struct iproc_msi *msi;
+ int i, ret;
+ unsigned int cpu;
+
+ if (!of_device_is_compatible(node, "brcm,iproc-msi"))
+ return -ENODEV;
+
+ if (!of_find_property(node, "msi-controller", NULL))
+ return -ENODEV;
+
+ if (pcie->msi)
+ return -EBUSY;
+
+ msi = devm_kzalloc(pcie->dev, sizeof(*msi), GFP_KERNEL);
+ if (!msi)
+ return -ENOMEM;
+
+ msi->pcie = pcie;
+ pcie->msi = msi;
+ msi->msi_addr = pcie->base_addr;
+ mutex_init(&msi->bitmap_lock);
+ msi->nr_cpus = num_possible_cpus();
+
+ msi->nr_irqs = of_irq_count(node);
+ if (!msi->nr_irqs) {
+ dev_err(pcie->dev, "found no MSI GIC interrupt\n");
+ return -ENODEV;
+ }
+
+ if (msi->nr_irqs > NR_HW_IRQS) {
+ dev_warn(pcie->dev, "too many MSI GIC interrupts defined %d\n",
+ msi->nr_irqs);
+ msi->nr_irqs = NR_HW_IRQS;
+ }
+
+ if (msi->nr_irqs < msi->nr_cpus) {
+ dev_err(pcie->dev,
+ "not enough GIC interrupts for MSI affinity\n");
+ return -EINVAL;
+ }
+
+ if (msi->nr_irqs % msi->nr_cpus != 0) {
+ msi->nr_irqs -= msi->nr_irqs % msi->nr_cpus;
+ dev_warn(pcie->dev, "Reducing number of interrupts to %d\n",
+ msi->nr_irqs);
+ }
+
+ switch (pcie->type) {
+ case IPROC_PCIE_PAXB:
+ msi->reg_offsets = iproc_msi_reg_paxb;
+ msi->nr_eq_region = 1;
+ msi->nr_msi_region = 1;
+ break;
+ case IPROC_PCIE_PAXC:
+ msi->reg_offsets = iproc_msi_reg_paxc;
+ msi->nr_eq_region = msi->nr_irqs;
+ msi->nr_msi_region = msi->nr_irqs;
+ break;
+ default:
+ dev_err(pcie->dev, "incompatible iProc PCIe interface\n");
+ return -EINVAL;
+ }
+
+ if (of_find_property(node, "brcm,pcie-msi-inten", NULL))
+ msi->has_inten_reg = true;
+
+ msi->nr_msi_vecs = msi->nr_irqs * EQ_LEN;
+ msi->bitmap = devm_kcalloc(pcie->dev, BITS_TO_LONGS(msi->nr_msi_vecs),
+ sizeof(*msi->bitmap), GFP_KERNEL);
+ if (!msi->bitmap)
+ return -ENOMEM;
+
+ msi->grps = devm_kcalloc(pcie->dev, msi->nr_irqs, sizeof(*msi->grps),
+ GFP_KERNEL);
+ if (!msi->grps)
+ return -ENOMEM;
+
+ for (i = 0; i < msi->nr_irqs; i++) {
+ unsigned int irq = irq_of_parse_and_map(node, i);
+
+ if (!irq) {
+ dev_err(pcie->dev, "unable to parse/map interrupt\n");
+ ret = -ENODEV;
+ goto free_irqs;
+ }
+ msi->grps[i].gic_irq = irq;
+ msi->grps[i].msi = msi;
+ msi->grps[i].eq = i;
+ }
+
+ /* Reserve memory for event queue and make sure memories are zeroed */
+ msi->eq_cpu = dma_zalloc_coherent(pcie->dev,
+ msi->nr_eq_region * EQ_MEM_REGION_SIZE,
+ &msi->eq_dma, GFP_KERNEL);
+ if (!msi->eq_cpu) {
+ ret = -ENOMEM;
+ goto free_irqs;
+ }
+
+ ret = iproc_msi_alloc_domains(node, msi);
+ if (ret) {
+ dev_err(pcie->dev, "failed to create MSI domains\n");
+ goto free_eq_dma;
+ }
+
+ for_each_online_cpu(cpu) {
+ ret = iproc_msi_irq_setup(msi, cpu);
+ if (ret)
+ goto free_msi_irq;
+ }
+
+ iproc_msi_enable(msi);
+
+ return 0;
+
+free_msi_irq:
+ for_each_online_cpu(cpu)
+ iproc_msi_irq_free(msi, cpu);
+ iproc_msi_free_domains(msi);
+
+free_eq_dma:
+ dma_free_coherent(pcie->dev, msi->nr_eq_region * EQ_MEM_REGION_SIZE,
+ msi->eq_cpu, msi->eq_dma);
+
+free_irqs:
+ for (i = 0; i < msi->nr_irqs; i++) {
+ if (msi->grps[i].gic_irq)
+ irq_dispose_mapping(msi->grps[i].gic_irq);
+ }
+ pcie->msi = NULL;
+ return ret;
+}
+EXPORT_SYMBOL(iproc_msi_init);
+
+void iproc_msi_exit(struct iproc_pcie *pcie)
+{
+ struct iproc_msi *msi = pcie->msi;
+ unsigned int i, cpu;
+
+ if (!msi)
+ return;
+
+ iproc_msi_disable(msi);
+
+ for_each_online_cpu(cpu)
+ iproc_msi_irq_free(msi, cpu);
+
+ iproc_msi_free_domains(msi);
+
+ dma_free_coherent(pcie->dev, msi->nr_eq_region * EQ_MEM_REGION_SIZE,
+ msi->eq_cpu, msi->eq_dma);
+
+ for (i = 0; i < msi->nr_irqs; i++) {
+ if (msi->grps[i].gic_irq)
+ irq_dispose_mapping(msi->grps[i].gic_irq);
+ }
+}
+EXPORT_SYMBOL(iproc_msi_exit);
diff --git a/drivers/pci/host/pcie-iproc-platform.c b/drivers/pci/host/pcie-iproc-platform.c
index c9550dc8b8ed..1738c5288eb6 100644
--- a/drivers/pci/host/pcie-iproc-platform.c
+++ b/drivers/pci/host/pcie-iproc-platform.c
@@ -26,8 +26,21 @@
#include "pcie-iproc.h"
+static const struct of_device_id iproc_pcie_of_match_table[] = {
+ {
+ .compatible = "brcm,iproc-pcie",
+ .data = (int *)IPROC_PCIE_PAXB,
+ }, {
+ .compatible = "brcm,iproc-pcie-paxc",
+ .data = (int *)IPROC_PCIE_PAXC,
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, iproc_pcie_of_match_table);
+
static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
{
+ const struct of_device_id *of_id;
struct iproc_pcie *pcie;
struct device_node *np = pdev->dev.of_node;
struct resource reg;
@@ -35,11 +48,16 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
LIST_HEAD(res);
int ret;
+ of_id = of_match_device(iproc_pcie_of_match_table, &pdev->dev);
+ if (!of_id)
+ return -EINVAL;
+
pcie = devm_kzalloc(&pdev->dev, sizeof(struct iproc_pcie), GFP_KERNEL);
if (!pcie)
return -ENOMEM;
pcie->dev = &pdev->dev;
+ pcie->type = (enum iproc_pcie_type)of_id->data;
platform_set_drvdata(pdev, pcie);
ret = of_address_to_resource(np, 0, &reg);
@@ -53,6 +71,7 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
dev_err(pcie->dev, "unable to map controller registers\n");
return -ENOMEM;
}
+ pcie->base_addr = reg.start;
if (of_property_read_bool(np, "brcm,pcie-ob")) {
u32 val;
@@ -114,12 +133,6 @@ static int iproc_pcie_pltfm_remove(struct platform_device *pdev)
return iproc_pcie_remove(pcie);
}
-static const struct of_device_id iproc_pcie_of_match_table[] = {
- { .compatible = "brcm,iproc-pcie", },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, iproc_pcie_of_match_table);
-
static struct platform_driver iproc_pcie_pltfm_driver = {
.driver = {
.name = "iproc-pcie",
diff --git a/drivers/pci/host/pcie-iproc.c b/drivers/pci/host/pcie-iproc.c
index eac719af16aa..5816bceddb65 100644
--- a/drivers/pci/host/pcie-iproc.c
+++ b/drivers/pci/host/pcie-iproc.c
@@ -30,20 +30,16 @@
#include "pcie-iproc.h"
-#define CLK_CONTROL_OFFSET 0x000
#define EP_PERST_SOURCE_SELECT_SHIFT 2
#define EP_PERST_SOURCE_SELECT BIT(EP_PERST_SOURCE_SELECT_SHIFT)
#define EP_MODE_SURVIVE_PERST_SHIFT 1
#define EP_MODE_SURVIVE_PERST BIT(EP_MODE_SURVIVE_PERST_SHIFT)
#define RC_PCIE_RST_OUTPUT_SHIFT 0
#define RC_PCIE_RST_OUTPUT BIT(RC_PCIE_RST_OUTPUT_SHIFT)
+#define PAXC_RESET_MASK 0x7f
-#define CFG_IND_ADDR_OFFSET 0x120
#define CFG_IND_ADDR_MASK 0x00001ffc
-#define CFG_IND_DATA_OFFSET 0x124
-
-#define CFG_ADDR_OFFSET 0x1f8
#define CFG_ADDR_BUS_NUM_SHIFT 20
#define CFG_ADDR_BUS_NUM_MASK 0x0ff00000
#define CFG_ADDR_DEV_NUM_SHIFT 15
@@ -55,12 +51,8 @@
#define CFG_ADDR_CFG_TYPE_SHIFT 0
#define CFG_ADDR_CFG_TYPE_MASK 0x00000003
-#define CFG_DATA_OFFSET 0x1fc
-
-#define SYS_RC_INTX_EN 0x330
#define SYS_RC_INTX_MASK 0xf
-#define PCIE_LINK_STATUS_OFFSET 0xf0c
#define PCIE_PHYLINKUP_SHIFT 3
#define PCIE_PHYLINKUP BIT(PCIE_PHYLINKUP_SHIFT)
#define PCIE_DL_ACTIVE_SHIFT 2
@@ -71,12 +63,54 @@
#define OARR_SIZE_CFG_SHIFT 1
#define OARR_SIZE_CFG BIT(OARR_SIZE_CFG_SHIFT)
-#define OARR_LO(window) (0xd20 + (window) * 8)
-#define OARR_HI(window) (0xd24 + (window) * 8)
-#define OMAP_LO(window) (0xd40 + (window) * 8)
-#define OMAP_HI(window) (0xd44 + (window) * 8)
-
#define MAX_NUM_OB_WINDOWS 2
+#define MAX_NUM_PAXC_PF 4
+
+#define IPROC_PCIE_REG_INVALID 0xffff
+
+enum iproc_pcie_reg {
+ IPROC_PCIE_CLK_CTRL = 0,
+ IPROC_PCIE_CFG_IND_ADDR,
+ IPROC_PCIE_CFG_IND_DATA,
+ IPROC_PCIE_CFG_ADDR,
+ IPROC_PCIE_CFG_DATA,
+ IPROC_PCIE_INTX_EN,
+ IPROC_PCIE_OARR_LO,
+ IPROC_PCIE_OARR_HI,
+ IPROC_PCIE_OMAP_LO,
+ IPROC_PCIE_OMAP_HI,
+ IPROC_PCIE_LINK_STATUS,
+};
+
+/* iProc PCIe PAXB registers */
+static const u16 iproc_pcie_reg_paxb[] = {
+ [IPROC_PCIE_CLK_CTRL] = 0x000,
+ [IPROC_PCIE_CFG_IND_ADDR] = 0x120,
+ [IPROC_PCIE_CFG_IND_DATA] = 0x124,
+ [IPROC_PCIE_CFG_ADDR] = 0x1f8,
+ [IPROC_PCIE_CFG_DATA] = 0x1fc,
+ [IPROC_PCIE_INTX_EN] = 0x330,
+ [IPROC_PCIE_OARR_LO] = 0xd20,
+ [IPROC_PCIE_OARR_HI] = 0xd24,
+ [IPROC_PCIE_OMAP_LO] = 0xd40,
+ [IPROC_PCIE_OMAP_HI] = 0xd44,
+ [IPROC_PCIE_LINK_STATUS] = 0xf0c,
+};
+
+/* iProc PCIe PAXC v1 registers */
+static const u16 iproc_pcie_reg_paxc[] = {
+ [IPROC_PCIE_CLK_CTRL] = 0x000,
+ [IPROC_PCIE_CFG_IND_ADDR] = 0x1f0,
+ [IPROC_PCIE_CFG_IND_DATA] = 0x1f4,
+ [IPROC_PCIE_CFG_ADDR] = 0x1f8,
+ [IPROC_PCIE_CFG_DATA] = 0x1fc,
+ [IPROC_PCIE_INTX_EN] = IPROC_PCIE_REG_INVALID,
+ [IPROC_PCIE_OARR_LO] = IPROC_PCIE_REG_INVALID,
+ [IPROC_PCIE_OARR_HI] = IPROC_PCIE_REG_INVALID,
+ [IPROC_PCIE_OMAP_LO] = IPROC_PCIE_REG_INVALID,
+ [IPROC_PCIE_OMAP_HI] = IPROC_PCIE_REG_INVALID,
+ [IPROC_PCIE_LINK_STATUS] = IPROC_PCIE_REG_INVALID,
+};
static inline struct iproc_pcie *iproc_data(struct pci_bus *bus)
{
@@ -91,6 +125,65 @@ static inline struct iproc_pcie *iproc_data(struct pci_bus *bus)
return pcie;
}
+static inline bool iproc_pcie_reg_is_invalid(u16 reg_offset)
+{
+ return !!(reg_offset == IPROC_PCIE_REG_INVALID);
+}
+
+static inline u16 iproc_pcie_reg_offset(struct iproc_pcie *pcie,
+ enum iproc_pcie_reg reg)
+{
+ return pcie->reg_offsets[reg];
+}
+
+static inline u32 iproc_pcie_read_reg(struct iproc_pcie *pcie,
+ enum iproc_pcie_reg reg)
+{
+ u16 offset = iproc_pcie_reg_offset(pcie, reg);
+
+ if (iproc_pcie_reg_is_invalid(offset))
+ return 0;
+
+ return readl(pcie->base + offset);
+}
+
+static inline void iproc_pcie_write_reg(struct iproc_pcie *pcie,
+ enum iproc_pcie_reg reg, u32 val)
+{
+ u16 offset = iproc_pcie_reg_offset(pcie, reg);
+
+ if (iproc_pcie_reg_is_invalid(offset))
+ return;
+
+ writel(val, pcie->base + offset);
+}
+
+static inline void iproc_pcie_ob_write(struct iproc_pcie *pcie,
+ enum iproc_pcie_reg reg,
+ unsigned window, u32 val)
+{
+ u16 offset = iproc_pcie_reg_offset(pcie, reg);
+
+ if (iproc_pcie_reg_is_invalid(offset))
+ return;
+
+ writel(val, pcie->base + offset + (window * 8));
+}
+
+static inline bool iproc_pcie_device_is_valid(struct iproc_pcie *pcie,
+ unsigned int slot,
+ unsigned int fn)
+{
+ if (slot > 0)
+ return false;
+
+ /* PAXC can only support limited number of functions */
+ if (pcie->type == IPROC_PCIE_PAXC && fn >= MAX_NUM_PAXC_PF)
+ return false;
+
+ return true;
+}
+
/**
* Note access to the configuration registers are protected at the higher layer
* by 'pci_lock' in drivers/pci/access.c
@@ -104,28 +197,34 @@ static void __iomem *iproc_pcie_map_cfg_bus(struct pci_bus *bus,
unsigned fn = PCI_FUNC(devfn);
unsigned busno = bus->number;
u32 val;
+ u16 offset;
+
+ if (!iproc_pcie_device_is_valid(pcie, slot, fn))
+ return NULL;
/* root complex access */
if (busno == 0) {
- if (slot >= 1)
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CFG_IND_ADDR,
+ where & CFG_IND_ADDR_MASK);
+ offset = iproc_pcie_reg_offset(pcie, IPROC_PCIE_CFG_IND_DATA);
+ if (iproc_pcie_reg_is_invalid(offset))
return NULL;
- writel(where & CFG_IND_ADDR_MASK,
- pcie->base + CFG_IND_ADDR_OFFSET);
- return (pcie->base + CFG_IND_DATA_OFFSET);
+ else
+ return (pcie->base + offset);
}
- if (fn > 1)
- return NULL;
-
/* EP device access */
val = (busno << CFG_ADDR_BUS_NUM_SHIFT) |
(slot << CFG_ADDR_DEV_NUM_SHIFT) |
(fn << CFG_ADDR_FUNC_NUM_SHIFT) |
(where & CFG_ADDR_REG_NUM_MASK) |
(1 & CFG_ADDR_CFG_TYPE_MASK);
- writel(val, pcie->base + CFG_ADDR_OFFSET);
-
- return (pcie->base + CFG_DATA_OFFSET);
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CFG_ADDR, val);
+ offset = iproc_pcie_reg_offset(pcie, IPROC_PCIE_CFG_DATA);
+ if (iproc_pcie_reg_is_invalid(offset))
+ return NULL;
+ else
+ return (pcie->base + offset);
}
static struct pci_ops iproc_pcie_ops = {
@@ -138,18 +237,29 @@ static void iproc_pcie_reset(struct iproc_pcie *pcie)
{
u32 val;
+ if (pcie->type == IPROC_PCIE_PAXC) {
+ val = iproc_pcie_read_reg(pcie, IPROC_PCIE_CLK_CTRL);
+ val &= ~PAXC_RESET_MASK;
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CLK_CTRL, val);
+ udelay(100);
+ val |= PAXC_RESET_MASK;
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CLK_CTRL, val);
+ udelay(100);
+ return;
+ }
+
/*
* Select perst_b signal as reset source. Put the device into reset,
* and then bring it out of reset
*/
- val = readl(pcie->base + CLK_CONTROL_OFFSET);
+ val = iproc_pcie_read_reg(pcie, IPROC_PCIE_CLK_CTRL);
val &= ~EP_PERST_SOURCE_SELECT & ~EP_MODE_SURVIVE_PERST &
~RC_PCIE_RST_OUTPUT;
- writel(val, pcie->base + CLK_CONTROL_OFFSET);
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CLK_CTRL, val);
udelay(250);
val |= RC_PCIE_RST_OUTPUT;
- writel(val, pcie->base + CLK_CONTROL_OFFSET);
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CLK_CTRL, val);
msleep(100);
}
@@ -160,7 +270,14 @@ static int iproc_pcie_check_link(struct iproc_pcie *pcie, struct pci_bus *bus)
u16 pos, link_status;
bool link_is_active = false;
- val = readl(pcie->base + PCIE_LINK_STATUS_OFFSET);
+ /*
+ * PAXC connects to emulated endpoint devices directly and does not
+ * have a Serdes. Therefore skip the link detection logic here.
+ */
+ if (pcie->type == IPROC_PCIE_PAXC)
+ return 0;
+
+ val = iproc_pcie_read_reg(pcie, IPROC_PCIE_LINK_STATUS);
if (!(val & PCIE_PHYLINKUP) || !(val & PCIE_DL_ACTIVE)) {
dev_err(pcie->dev, "PHY or data link is INACTIVE!\n");
return -ENODEV;
@@ -221,7 +338,7 @@ static int iproc_pcie_check_link(struct iproc_pcie *pcie, struct pci_bus *bus)
static void iproc_pcie_enable(struct iproc_pcie *pcie)
{
- writel(SYS_RC_INTX_MASK, pcie->base + SYS_RC_INTX_EN);
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_INTX_EN, SYS_RC_INTX_MASK);
}
/**
@@ -245,7 +362,7 @@ static int iproc_pcie_setup_ob(struct iproc_pcie *pcie, u64 axi_addr,
if (size > max_size) {
dev_err(pcie->dev,
- "res size 0x%pap exceeds max supported size 0x%llx\n",
+ "res size %pap exceeds max supported size 0x%llx\n",
&size, max_size);
return -EINVAL;
}
@@ -272,11 +389,15 @@ static int iproc_pcie_setup_ob(struct iproc_pcie *pcie, u64 axi_addr,
axi_addr -= ob->axi_offset;
for (i = 0; i < MAX_NUM_OB_WINDOWS; i++) {
- writel(lower_32_bits(axi_addr) | OARR_VALID |
- (ob->set_oarr_size ? 1 : 0), pcie->base + OARR_LO(i));
- writel(upper_32_bits(axi_addr), pcie->base + OARR_HI(i));
- writel(lower_32_bits(pci_addr), pcie->base + OMAP_LO(i));
- writel(upper_32_bits(pci_addr), pcie->base + OMAP_HI(i));
+ iproc_pcie_ob_write(pcie, IPROC_PCIE_OARR_LO, i,
+ lower_32_bits(axi_addr) | OARR_VALID |
+ (ob->set_oarr_size ? 1 : 0));
+ iproc_pcie_ob_write(pcie, IPROC_PCIE_OARR_HI, i,
+ upper_32_bits(axi_addr));
+ iproc_pcie_ob_write(pcie, IPROC_PCIE_OMAP_LO, i,
+ lower_32_bits(pci_addr));
+ iproc_pcie_ob_write(pcie, IPROC_PCIE_OMAP_HI, i,
+ upper_32_bits(pci_addr));
size -= ob->window_size;
if (size == 0)
@@ -319,6 +440,26 @@ static int iproc_pcie_map_ranges(struct iproc_pcie *pcie,
return 0;
}
+static int iproc_pcie_msi_enable(struct iproc_pcie *pcie)
+{
+ struct device_node *msi_node;
+
+ msi_node = of_parse_phandle(pcie->dev->of_node, "msi-parent", 0);
+ if (!msi_node)
+ return -ENODEV;
+
+ /*
+ * If another MSI controller is being used, the call below should fail
+ * but that is okay
+ */
+ return iproc_msi_init(pcie, msi_node);
+}
+
+static void iproc_pcie_msi_disable(struct iproc_pcie *pcie)
+{
+ iproc_msi_exit(pcie);
+}
+
int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
{
int ret;
@@ -340,6 +481,19 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
goto err_exit_phy;
}
+ switch (pcie->type) {
+ case IPROC_PCIE_PAXB:
+ pcie->reg_offsets = iproc_pcie_reg_paxb;
+ break;
+ case IPROC_PCIE_PAXC:
+ pcie->reg_offsets = iproc_pcie_reg_paxc;
+ break;
+ default:
+ dev_err(pcie->dev, "incompatible iProc PCIe interface\n");
+ ret = -EINVAL;
+ goto err_power_off_phy;
+ }
+
iproc_pcie_reset(pcie);
if (pcie->need_ob_cfg) {
@@ -373,6 +527,10 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
iproc_pcie_enable(pcie);
+ if (IS_ENABLED(CONFIG_PCI_MSI))
+ if (iproc_pcie_msi_enable(pcie))
+ dev_info(pcie->dev, "not using iProc MSI\n");
+
pci_scan_child_bus(bus);
pci_assign_unassigned_bus_resources(bus);
pci_fixup_irqs(pci_common_swizzle, pcie->map_irq);
@@ -397,6 +555,8 @@ int iproc_pcie_remove(struct iproc_pcie *pcie)
pci_stop_root_bus(pcie->root_bus);
pci_remove_root_bus(pcie->root_bus);
+ iproc_pcie_msi_disable(pcie);
+
phy_power_off(pcie->phy);
phy_exit(pcie->phy);
diff --git a/drivers/pci/host/pcie-iproc.h b/drivers/pci/host/pcie-iproc.h
index d3dc940f773a..e84d93c53c7b 100644
--- a/drivers/pci/host/pcie-iproc.h
+++ b/drivers/pci/host/pcie-iproc.h
@@ -15,6 +15,20 @@
#define _PCIE_IPROC_H
/**
+ * iProc PCIe interface type
+ *
+ * PAXB is the wrapper used in root complex that can be connected to an
+ * external endpoint device.
+ *
+ * PAXC is the wrapper used in root complex dedicated for internal emulated
+ * endpoint devices.
+ */
+enum iproc_pcie_type {
+ IPROC_PCIE_PAXB = 0,
+ IPROC_PCIE_PAXC,
+};
+
+/**
* iProc PCIe outbound mapping
* @set_oarr_size: indicates the OARR size bit needs to be set
* @axi_offset: offset from the AXI address to the internal address used by
@@ -27,21 +41,30 @@ struct iproc_pcie_ob {
resource_size_t window_size;
};
+struct iproc_msi;
+
/**
* iProc PCIe device
+ *
* @dev: pointer to device data structure
+ * @type: iProc PCIe interface type
+ * @reg_offsets: register offsets
* @base: PCIe host controller I/O register base
+ * @base_addr: PCIe host controller register base physical address
* @sysdata: Per PCI controller data (ARM-specific)
* @root_bus: pointer to root bus
* @phy: optional PHY device that controls the Serdes
- * @irqs: interrupt IDs
* @map_irq: function callback to map interrupts
- * @need_ob_cfg: indidates SW needs to configure the outbound mapping window
+ * @need_ob_cfg: indicates SW needs to configure the outbound mapping window
* @ob: outbound mapping parameters
+ * @msi: MSI data
*/
struct iproc_pcie {
struct device *dev;
+ enum iproc_pcie_type type;
+ const u16 *reg_offsets;
void __iomem *base;
+ phys_addr_t base_addr;
#ifdef CONFIG_ARM
struct pci_sys_data sysdata;
#endif
@@ -50,9 +73,24 @@ struct iproc_pcie {
int (*map_irq)(const struct pci_dev *, u8, u8);
bool need_ob_cfg;
struct iproc_pcie_ob ob;
+ struct iproc_msi *msi;
};
int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res);
int iproc_pcie_remove(struct iproc_pcie *pcie);
+#ifdef CONFIG_PCIE_IPROC_MSI
+int iproc_msi_init(struct iproc_pcie *pcie, struct device_node *node);
+void iproc_msi_exit(struct iproc_pcie *pcie);
+#else
+static inline int iproc_msi_init(struct iproc_pcie *pcie,
+ struct device_node *node)
+{
+ return -ENODEV;
+}
+static inline void iproc_msi_exit(struct iproc_pcie *pcie)
+{
+}
+#endif
+
#endif /* _PCIE_IPROC_H */
diff --git a/drivers/pci/host/pcie-qcom.c b/drivers/pci/host/pcie-qcom.c
new file mode 100644
index 000000000000..e845fba19632
--- /dev/null
+++ b/drivers/pci/host/pcie-qcom.c
@@ -0,0 +1,616 @@
+/*
+ * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
+ * Copyright 2015 Linaro Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/phy/phy.h>
+#include <linux/regulator/consumer.h>
+#include <linux/reset.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include "pcie-designware.h"
+
+#define PCIE20_PARF_PHY_CTRL 0x40
+#define PCIE20_PARF_PHY_REFCLK 0x4C
+#define PCIE20_PARF_DBI_BASE_ADDR 0x168
+#define PCIE20_PARF_SLV_ADDR_SPACE_SIZE 0x16c
+#define PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT 0x178
+
+#define PCIE20_ELBI_SYS_CTRL 0x04
+#define PCIE20_ELBI_SYS_CTRL_LT_ENABLE BIT(0)
+
+#define PCIE20_CAP 0x70
+
+#define PERST_DELAY_US 1000
+
+struct qcom_pcie_resources_v0 {
+ struct clk *iface_clk;
+ struct clk *core_clk;
+ struct clk *phy_clk;
+ struct reset_control *pci_reset;
+ struct reset_control *axi_reset;
+ struct reset_control *ahb_reset;
+ struct reset_control *por_reset;
+ struct reset_control *phy_reset;
+ struct regulator *vdda;
+ struct regulator *vdda_phy;
+ struct regulator *vdda_refclk;
+};
+
+struct qcom_pcie_resources_v1 {
+ struct clk *iface;
+ struct clk *aux;
+ struct clk *master_bus;
+ struct clk *slave_bus;
+ struct reset_control *core;
+ struct regulator *vdda;
+};
+
+union qcom_pcie_resources {
+ struct qcom_pcie_resources_v0 v0;
+ struct qcom_pcie_resources_v1 v1;
+};
+
+struct qcom_pcie;
+
+struct qcom_pcie_ops {
+ int (*get_resources)(struct qcom_pcie *pcie);
+ int (*init)(struct qcom_pcie *pcie);
+ void (*deinit)(struct qcom_pcie *pcie);
+};
+
+struct qcom_pcie {
+ struct pcie_port pp;
+ struct device *dev;
+ union qcom_pcie_resources res;
+ void __iomem *parf;
+ void __iomem *dbi;
+ void __iomem *elbi;
+ struct phy *phy;
+ struct gpio_desc *reset;
+ struct qcom_pcie_ops *ops;
+};
+
+#define to_qcom_pcie(x) container_of(x, struct qcom_pcie, pp)
+
+static void qcom_ep_reset_assert(struct qcom_pcie *pcie)
+{
+ gpiod_set_value(pcie->reset, 1);
+ usleep_range(PERST_DELAY_US, PERST_DELAY_US + 500);
+}
+
+static void qcom_ep_reset_deassert(struct qcom_pcie *pcie)
+{
+ gpiod_set_value(pcie->reset, 0);
+ usleep_range(PERST_DELAY_US, PERST_DELAY_US + 500);
+}
+
+static irqreturn_t qcom_pcie_msi_irq_handler(int irq, void *arg)
+{
+ struct pcie_port *pp = arg;
+
+ return dw_handle_msi_irq(pp);
+}
+
+static int qcom_pcie_establish_link(struct qcom_pcie *pcie)
+{
+ struct device *dev = pcie->dev;
+ unsigned int retries = 0;
+ u32 val;
+
+ if (dw_pcie_link_up(&pcie->pp))
+ return 0;
+
+ /* enable link training */
+ val = readl(pcie->elbi + PCIE20_ELBI_SYS_CTRL);
+ val |= PCIE20_ELBI_SYS_CTRL_LT_ENABLE;
+ writel(val, pcie->elbi + PCIE20_ELBI_SYS_CTRL);
+
+ do {
+ if (dw_pcie_link_up(&pcie->pp))
+ return 0;
+ usleep_range(250, 1000);
+ } while (retries < 200);
+
+ dev_warn(dev, "phy link never came up\n");
+
+ return -ETIMEDOUT;
+}
+
+static int qcom_pcie_get_resources_v0(struct qcom_pcie *pcie)
+{
+ struct qcom_pcie_resources_v0 *res = &pcie->res.v0;
+ struct device *dev = pcie->dev;
+
+ res->vdda = devm_regulator_get(dev, "vdda");
+ if (IS_ERR(res->vdda))
+ return PTR_ERR(res->vdda);
+
+ res->vdda_phy = devm_regulator_get(dev, "vdda_phy");
+ if (IS_ERR(res->vdda_phy))
+ return PTR_ERR(res->vdda_phy);
+
+ res->vdda_refclk = devm_regulator_get(dev, "vdda_refclk");
+ if (IS_ERR(res->vdda_refclk))
+ return PTR_ERR(res->vdda_refclk);
+
+ res->iface_clk = devm_clk_get(dev, "iface");
+ if (IS_ERR(res->iface_clk))
+ return PTR_ERR(res->iface_clk);
+
+ res->core_clk = devm_clk_get(dev, "core");
+ if (IS_ERR(res->core_clk))
+ return PTR_ERR(res->core_clk);
+
+ res->phy_clk = devm_clk_get(dev, "phy");
+ if (IS_ERR(res->phy_clk))
+ return PTR_ERR(res->phy_clk);
+
+ res->pci_reset = devm_reset_control_get(dev, "pci");
+ if (IS_ERR(res->pci_reset))
+ return PTR_ERR(res->pci_reset);
+
+ res->axi_reset = devm_reset_control_get(dev, "axi");
+ if (IS_ERR(res->axi_reset))
+ return PTR_ERR(res->axi_reset);
+
+ res->ahb_reset = devm_reset_control_get(dev, "ahb");
+ if (IS_ERR(res->ahb_reset))
+ return PTR_ERR(res->ahb_reset);
+
+ res->por_reset = devm_reset_control_get(dev, "por");
+ if (IS_ERR(res->por_reset))
+ return PTR_ERR(res->por_reset);
+
+ res->phy_reset = devm_reset_control_get(dev, "phy");
+ if (IS_ERR(res->phy_reset))
+ return PTR_ERR(res->phy_reset);
+
+ return 0;
+}
+
+static int qcom_pcie_get_resources_v1(struct qcom_pcie *pcie)
+{
+ struct qcom_pcie_resources_v1 *res = &pcie->res.v1;
+ struct device *dev = pcie->dev;
+
+ res->vdda = devm_regulator_get(dev, "vdda");
+ if (IS_ERR(res->vdda))
+ return PTR_ERR(res->vdda);
+
+ res->iface = devm_clk_get(dev, "iface");
+ if (IS_ERR(res->iface))
+ return PTR_ERR(res->iface);
+
+ res->aux = devm_clk_get(dev, "aux");
+ if (IS_ERR(res->aux))
+ return PTR_ERR(res->aux);
+
+ res->master_bus = devm_clk_get(dev, "master_bus");
+ if (IS_ERR(res->master_bus))
+ return PTR_ERR(res->master_bus);
+
+ res->slave_bus = devm_clk_get(dev, "slave_bus");
+ if (IS_ERR(res->slave_bus))
+ return PTR_ERR(res->slave_bus);
+
+ res->core = devm_reset_control_get(dev, "core");
+ if (IS_ERR(res->core))
+ return PTR_ERR(res->core);
+
+ return 0;
+}
+
+static void qcom_pcie_deinit_v0(struct qcom_pcie *pcie)
+{
+ struct qcom_pcie_resources_v0 *res = &pcie->res.v0;
+
+ reset_control_assert(res->pci_reset);
+ reset_control_assert(res->axi_reset);
+ reset_control_assert(res->ahb_reset);
+ reset_control_assert(res->por_reset);
+ reset_control_assert(res->pci_reset);
+ clk_disable_unprepare(res->iface_clk);
+ clk_disable_unprepare(res->core_clk);
+ clk_disable_unprepare(res->phy_clk);
+ regulator_disable(res->vdda);
+ regulator_disable(res->vdda_phy);
+ regulator_disable(res->vdda_refclk);
+}
+
+static int qcom_pcie_init_v0(struct qcom_pcie *pcie)
+{
+ struct qcom_pcie_resources_v0 *res = &pcie->res.v0;
+ struct device *dev = pcie->dev;
+ u32 val;
+ int ret;
+
+ ret = regulator_enable(res->vdda);
+ if (ret) {
+ dev_err(dev, "cannot enable vdda regulator\n");
+ return ret;
+ }
+
+ ret = regulator_enable(res->vdda_refclk);
+ if (ret) {
+ dev_err(dev, "cannot enable vdda_refclk regulator\n");
+ goto err_refclk;
+ }
+
+ ret = regulator_enable(res->vdda_phy);
+ if (ret) {
+ dev_err(dev, "cannot enable vdda_phy regulator\n");
+ goto err_vdda_phy;
+ }
+
+ ret = reset_control_assert(res->ahb_reset);
+ if (ret) {
+ dev_err(dev, "cannot assert ahb reset\n");
+ goto err_assert_ahb;
+ }
+
+ ret = clk_prepare_enable(res->iface_clk);
+ if (ret) {
+ dev_err(dev, "cannot prepare/enable iface clock\n");
+ goto err_assert_ahb;
+ }
+
+ ret = clk_prepare_enable(res->phy_clk);
+ if (ret) {
+ dev_err(dev, "cannot prepare/enable phy clock\n");
+ goto err_clk_phy;
+ }
+
+ ret = clk_prepare_enable(res->core_clk);
+ if (ret) {
+ dev_err(dev, "cannot prepare/enable core clock\n");
+ goto err_clk_core;
+ }
+
+ ret = reset_control_deassert(res->ahb_reset);
+ if (ret) {
+ dev_err(dev, "cannot deassert ahb reset\n");
+ goto err_deassert_ahb;
+ }
+
+ /* enable PCIe clocks and resets */
+ val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
+ val &= ~BIT(0);
+ writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
+
+ /* enable external reference clock */
+ val = readl(pcie->parf + PCIE20_PARF_PHY_REFCLK);
+ val |= BIT(16);
+ writel(val, pcie->parf + PCIE20_PARF_PHY_REFCLK);
+
+ ret = reset_control_deassert(res->phy_reset);
+ if (ret) {
+ dev_err(dev, "cannot deassert phy reset\n");
+ return ret;
+ }
+
+ ret = reset_control_deassert(res->pci_reset);
+ if (ret) {
+ dev_err(dev, "cannot deassert pci reset\n");
+ return ret;
+ }
+
+ ret = reset_control_deassert(res->por_reset);
+ if (ret) {
+ dev_err(dev, "cannot deassert por reset\n");
+ return ret;
+ }
+
+ ret = reset_control_deassert(res->axi_reset);
+ if (ret) {
+ dev_err(dev, "cannot deassert axi reset\n");
+ return ret;
+ }
+
+ /* wait for clock acquisition */
+ usleep_range(1000, 1500);
+
+ return 0;
+
+err_deassert_ahb:
+ clk_disable_unprepare(res->core_clk);
+err_clk_core:
+ clk_disable_unprepare(res->phy_clk);
+err_clk_phy:
+ clk_disable_unprepare(res->iface_clk);
+err_assert_ahb:
+ regulator_disable(res->vdda_phy);
+err_vdda_phy:
+ regulator_disable(res->vdda_refclk);
+err_refclk:
+ regulator_disable(res->vdda);
+
+ return ret;
+}
+
+static void qcom_pcie_deinit_v1(struct qcom_pcie *pcie)
+{
+ struct qcom_pcie_resources_v1 *res = &pcie->res.v1;
+
+ reset_control_assert(res->core);
+ clk_disable_unprepare(res->slave_bus);
+ clk_disable_unprepare(res->master_bus);
+ clk_disable_unprepare(res->iface);
+ clk_disable_unprepare(res->aux);
+ regulator_disable(res->vdda);
+}
+
+static int qcom_pcie_init_v1(struct qcom_pcie *pcie)
+{
+ struct qcom_pcie_resources_v1 *res = &pcie->res.v1;
+ struct device *dev = pcie->dev;
+ int ret;
+
+ ret = reset_control_deassert(res->core);
+ if (ret) {
+ dev_err(dev, "cannot deassert core reset\n");
+ return ret;
+ }
+
+ ret = clk_prepare_enable(res->aux);
+ if (ret) {
+ dev_err(dev, "cannot prepare/enable aux clock\n");
+ goto err_res;
+ }
+
+ ret = clk_prepare_enable(res->iface);
+ if (ret) {
+ dev_err(dev, "cannot prepare/enable iface clock\n");
+ goto err_aux;
+ }
+
+ ret = clk_prepare_enable(res->master_bus);
+ if (ret) {
+ dev_err(dev, "cannot prepare/enable master_bus clock\n");
+ goto err_iface;
+ }
+
+ ret = clk_prepare_enable(res->slave_bus);
+ if (ret) {
+ dev_err(dev, "cannot prepare/enable slave_bus clock\n");
+ goto err_master;
+ }
+
+ ret = regulator_enable(res->vdda);
+ if (ret) {
+ dev_err(dev, "cannot enable vdda regulator\n");
+ goto err_slave;
+ }
+
+ /* change DBI base address */
+ writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
+
+ if (IS_ENABLED(CONFIG_PCI_MSI)) {
+ u32 val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT);
+
+ val |= BIT(31);
+ writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT);
+ }
+
+ return 0;
+err_slave:
+ clk_disable_unprepare(res->slave_bus);
+err_master:
+ clk_disable_unprepare(res->master_bus);
+err_iface:
+ clk_disable_unprepare(res->iface);
+err_aux:
+ clk_disable_unprepare(res->aux);
+err_res:
+ reset_control_assert(res->core);
+
+ return ret;
+}
+
+static int qcom_pcie_link_up(struct pcie_port *pp)
+{
+ struct qcom_pcie *pcie = to_qcom_pcie(pp);
+ u16 val = readw(pcie->dbi + PCIE20_CAP + PCI_EXP_LNKSTA);
+
+ return !!(val & PCI_EXP_LNKSTA_DLLLA);
+}
+
+static void qcom_pcie_host_init(struct pcie_port *pp)
+{
+ struct qcom_pcie *pcie = to_qcom_pcie(pp);
+ int ret;
+
+ qcom_ep_reset_assert(pcie);
+
+ ret = pcie->ops->init(pcie);
+ if (ret)
+ goto err_deinit;
+
+ ret = phy_power_on(pcie->phy);
+ if (ret)
+ goto err_deinit;
+
+ dw_pcie_setup_rc(pp);
+
+ if (IS_ENABLED(CONFIG_PCI_MSI))
+ dw_pcie_msi_init(pp);
+
+ qcom_ep_reset_deassert(pcie);
+
+ ret = qcom_pcie_establish_link(pcie);
+ if (ret)
+ goto err;
+
+ return;
+err:
+ qcom_ep_reset_assert(pcie);
+ phy_power_off(pcie->phy);
+err_deinit:
+ pcie->ops->deinit(pcie);
+}
+
+static int qcom_pcie_rd_own_conf(struct pcie_port *pp, int where, int size,
+ u32 *val)
+{
+ /* the device class is not reported correctly from the register */
+ if (where == PCI_CLASS_REVISION && size == 4) {
+ *val = readl(pp->dbi_base + PCI_CLASS_REVISION);
+ *val &= 0xff; /* keep revision id */
+ *val |= PCI_CLASS_BRIDGE_PCI << 16;
+ return PCIBIOS_SUCCESSFUL;
+ }
+
+ return dw_pcie_cfg_read(pp->dbi_base + where, size, val);
+}
+
+static struct pcie_host_ops qcom_pcie_dw_ops = {
+ .link_up = qcom_pcie_link_up,
+ .host_init = qcom_pcie_host_init,
+ .rd_own_conf = qcom_pcie_rd_own_conf,
+};
+
+static const struct qcom_pcie_ops ops_v0 = {
+ .get_resources = qcom_pcie_get_resources_v0,
+ .init = qcom_pcie_init_v0,
+ .deinit = qcom_pcie_deinit_v0,
+};
+
+static const struct qcom_pcie_ops ops_v1 = {
+ .get_resources = qcom_pcie_get_resources_v1,
+ .init = qcom_pcie_init_v1,
+ .deinit = qcom_pcie_deinit_v1,
+};
+
+static int qcom_pcie_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct resource *res;
+ struct qcom_pcie *pcie;
+ struct pcie_port *pp;
+ int ret;
+
+ pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL);
+ if (!pcie)
+ return -ENOMEM;
+
+ pcie->ops = (struct qcom_pcie_ops *)of_device_get_match_data(dev);
+ pcie->dev = dev;
+
+ pcie->reset = devm_gpiod_get_optional(dev, "perst", GPIOD_OUT_LOW);
+ if (IS_ERR(pcie->reset))
+ return PTR_ERR(pcie->reset);
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "parf");
+ pcie->parf = devm_ioremap_resource(dev, res);
+ if (IS_ERR(pcie->parf))
+ return PTR_ERR(pcie->parf);
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
+ pcie->dbi = devm_ioremap_resource(dev, res);
+ if (IS_ERR(pcie->dbi))
+ return PTR_ERR(pcie->dbi);
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "elbi");
+ pcie->elbi = devm_ioremap_resource(dev, res);
+ if (IS_ERR(pcie->elbi))
+ return PTR_ERR(pcie->elbi);
+
+ pcie->phy = devm_phy_optional_get(dev, "pciephy");
+ if (IS_ERR(pcie->phy))
+ return PTR_ERR(pcie->phy);
+
+ ret = pcie->ops->get_resources(pcie);
+ if (ret)
+ return ret;
+
+ pp = &pcie->pp;
+ pp->dev = dev;
+ pp->dbi_base = pcie->dbi;
+ pp->root_bus_nr = -1;
+ pp->ops = &qcom_pcie_dw_ops;
+
+ if (IS_ENABLED(CONFIG_PCI_MSI)) {
+ pp->msi_irq = platform_get_irq_byname(pdev, "msi");
+ if (pp->msi_irq < 0)
+ return pp->msi_irq;
+
+ ret = devm_request_irq(dev, pp->msi_irq,
+ qcom_pcie_msi_irq_handler,
+ IRQF_SHARED, "qcom-pcie-msi", pp);
+ if (ret) {
+ dev_err(dev, "cannot request msi irq\n");
+ return ret;
+ }
+ }
+
+ ret = phy_init(pcie->phy);
+ if (ret)
+ return ret;
+
+ ret = dw_pcie_host_init(pp);
+ if (ret) {
+ dev_err(dev, "cannot initialize host\n");
+ return ret;
+ }
+
+ platform_set_drvdata(pdev, pcie);
+
+ return 0;
+}
+
+static int qcom_pcie_remove(struct platform_device *pdev)
+{
+ struct qcom_pcie *pcie = platform_get_drvdata(pdev);
+
+ qcom_ep_reset_assert(pcie);
+ phy_power_off(pcie->phy);
+ phy_exit(pcie->phy);
+ pcie->ops->deinit(pcie);
+
+ return 0;
+}
+
+static const struct of_device_id qcom_pcie_match[] = {
+ { .compatible = "qcom,pcie-ipq8064", .data = &ops_v0 },
+ { .compatible = "qcom,pcie-apq8064", .data = &ops_v0 },
+ { .compatible = "qcom,pcie-apq8084", .data = &ops_v1 },
+ { }
+};
+MODULE_DEVICE_TABLE(of, qcom_pcie_match);
+
+static struct platform_driver qcom_pcie_driver = {
+ .probe = qcom_pcie_probe,
+ .remove = qcom_pcie_remove,
+ .driver = {
+ .name = "qcom-pcie",
+ .of_match_table = qcom_pcie_match,
+ },
+};
+
+module_platform_driver(qcom_pcie_driver);
+
+MODULE_AUTHOR("Stanimir Varbanov <svarbanov@mm-sol.com>");
+MODULE_DESCRIPTION("Qualcomm PCIe root complex driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index f4fa6c537448..4edb5181f4e2 100644
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -26,6 +26,7 @@
#include <linux/of_platform.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include <linux/slab.h>
#define DRV_NAME "rcar-pcie"
@@ -94,6 +95,11 @@
#define H1_PCIEPHYDOUTR 0x040014
#define H1_PCIEPHYSR 0x040018
+/* R-Car Gen2 PHY */
+#define GEN2_PCIEPHYADDR 0x780
+#define GEN2_PCIEPHYDATA 0x784
+#define GEN2_PCIEPHYCTRL 0x78c
+
#define INT_PCI_MSI_NR 32
#define RCONF(x) (PCICONF(0)+(x))
@@ -108,8 +114,6 @@
#define RCAR_PCI_MAX_RESOURCES 4
#define MAX_NR_INBOUND_MAPS 6
-static unsigned long global_io_offset;
-
struct rcar_msi {
DECLARE_BITMAP(used, INT_PCI_MSI_NR);
struct irq_domain *domain;
@@ -126,20 +130,10 @@ static inline struct rcar_msi *to_rcar_msi(struct msi_controller *chip)
}
/* Structure representing the PCIe interface */
-/*
- * ARM pcibios functions expect the ARM struct pci_sys_data as the PCI
- * sysdata. Add pci_sys_data as the first element in struct gen_pci so
- * that when we use a gen_pci pointer as sysdata, it is also a pointer to
- * a struct pci_sys_data.
- */
struct rcar_pcie {
-#ifdef CONFIG_ARM
- struct pci_sys_data sys;
-#endif
struct device *dev;
void __iomem *base;
- struct resource res[RCAR_PCI_MAX_RESOURCES];
- struct resource busn;
+ struct list_head resources;
int root_bus_nr;
struct clk *clk;
struct clk *bus_clk;
@@ -323,10 +317,9 @@ static struct pci_ops rcar_pcie_ops = {
.write = rcar_pcie_write_conf,
};
-static void rcar_pcie_setup_window(int win, struct rcar_pcie *pcie)
+static void rcar_pcie_setup_window(int win, struct rcar_pcie *pcie,
+ struct resource *res)
{
- struct resource *res = &pcie->res[win];
-
/* Setup PCIe address space mappings for each resource */
resource_size_t size;
resource_size_t res_start;
@@ -359,31 +352,33 @@ static void rcar_pcie_setup_window(int win, struct rcar_pcie *pcie)
rcar_pci_write_reg(pcie, mask, PCIEPTCTLR(win));
}
-static int rcar_pcie_setup(struct list_head *resource, struct rcar_pcie *pcie)
+static int rcar_pcie_setup(struct list_head *resource, struct rcar_pcie *pci)
{
- struct resource *res;
- int i;
-
- pcie->root_bus_nr = pcie->busn.start;
+ struct resource_entry *win;
+ int i = 0;
/* Setup PCI resources */
- for (i = 0; i < RCAR_PCI_MAX_RESOURCES; i++) {
+ resource_list_for_each_entry(win, &pci->resources) {
+ struct resource *res = win->res;
- res = &pcie->res[i];
if (!res->flags)
continue;
- rcar_pcie_setup_window(i, pcie);
-
- if (res->flags & IORESOURCE_IO) {
- phys_addr_t io_start = pci_pio_to_address(res->start);
- pci_ioremap_io(global_io_offset, io_start);
- global_io_offset += SZ_64K;
+ switch (resource_type(res)) {
+ case IORESOURCE_IO:
+ case IORESOURCE_MEM:
+ rcar_pcie_setup_window(i, pci, res);
+ i++;
+ break;
+ case IORESOURCE_BUS:
+ pci->root_bus_nr = res->start;
+ break;
+ default:
+ continue;
}
pci_add_resource(resource, res);
}
- pci_add_resource(resource, &pcie->busn);
return 1;
}
@@ -578,6 +573,26 @@ static int rcar_pcie_hw_init_h1(struct rcar_pcie *pcie)
return -ETIMEDOUT;
}
+static int rcar_pcie_hw_init_gen2(struct rcar_pcie *pcie)
+{
+ /*
+ * These settings come from the R-Car Series, 2nd Generation User's
+ * Manual, section 50.3.1 (2) Initialization of the physical layer.
+ */
+ rcar_pci_write_reg(pcie, 0x000f0030, GEN2_PCIEPHYADDR);
+ rcar_pci_write_reg(pcie, 0x00381203, GEN2_PCIEPHYDATA);
+ rcar_pci_write_reg(pcie, 0x00000001, GEN2_PCIEPHYCTRL);
+ rcar_pci_write_reg(pcie, 0x00000006, GEN2_PCIEPHYCTRL);
+
+ rcar_pci_write_reg(pcie, 0x000f0054, GEN2_PCIEPHYADDR);
+ /* The following value is for DC connection, no termination resistor */
+ rcar_pci_write_reg(pcie, 0x13802007, GEN2_PCIEPHYDATA);
+ rcar_pci_write_reg(pcie, 0x00000001, GEN2_PCIEPHYCTRL);
+ rcar_pci_write_reg(pcie, 0x00000006, GEN2_PCIEPHYCTRL);
+
+ return rcar_pcie_hw_init(pcie);
+}
+
static int rcar_msi_alloc(struct rcar_msi *chip)
{
int msi;
@@ -720,14 +735,16 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie)
/* Two irqs are for MSI, but they are also used for non-MSI irqs */
err = devm_request_irq(&pdev->dev, msi->irq1, rcar_pcie_msi_irq,
- IRQF_SHARED, rcar_msi_irq_chip.name, pcie);
+ IRQF_SHARED | IRQF_NO_THREAD,
+ rcar_msi_irq_chip.name, pcie);
if (err < 0) {
dev_err(&pdev->dev, "failed to request IRQ: %d\n", err);
goto err;
}
err = devm_request_irq(&pdev->dev, msi->irq2, rcar_pcie_msi_irq,
- IRQF_SHARED, rcar_msi_irq_chip.name, pcie);
+ IRQF_SHARED | IRQF_NO_THREAD,
+ rcar_msi_irq_chip.name, pcie);
if (err < 0) {
dev_err(&pdev->dev, "failed to request IRQ: %d\n", err);
goto err;
@@ -917,20 +934,71 @@ static int rcar_pcie_parse_map_dma_ranges(struct rcar_pcie *pcie,
static const struct of_device_id rcar_pcie_of_match[] = {
{ .compatible = "renesas,pcie-r8a7779", .data = rcar_pcie_hw_init_h1 },
- { .compatible = "renesas,pcie-r8a7790", .data = rcar_pcie_hw_init },
- { .compatible = "renesas,pcie-r8a7791", .data = rcar_pcie_hw_init },
+ { .compatible = "renesas,pcie-rcar-gen2", .data = rcar_pcie_hw_init_gen2 },
+ { .compatible = "renesas,pcie-r8a7790", .data = rcar_pcie_hw_init_gen2 },
+ { .compatible = "renesas,pcie-r8a7791", .data = rcar_pcie_hw_init_gen2 },
+ { .compatible = "renesas,pcie-r8a7795", .data = rcar_pcie_hw_init },
{},
};
MODULE_DEVICE_TABLE(of, rcar_pcie_of_match);
+static void rcar_pcie_release_of_pci_ranges(struct rcar_pcie *pci)
+{
+ pci_free_resource_list(&pci->resources);
+}
+
+static int rcar_pcie_parse_request_of_pci_ranges(struct rcar_pcie *pci)
+{
+ int err;
+ struct device *dev = pci->dev;
+ struct device_node *np = dev->of_node;
+ resource_size_t iobase;
+ struct resource_entry *win;
+
+ err = of_pci_get_host_bridge_resources(np, 0, 0xff, &pci->resources, &iobase);
+ if (err)
+ return err;
+
+ resource_list_for_each_entry(win, &pci->resources) {
+ struct resource *parent, *res = win->res;
+
+ switch (resource_type(res)) {
+ case IORESOURCE_IO:
+ parent = &ioport_resource;
+ err = pci_remap_iospace(res, iobase);
+ if (err) {
+ dev_warn(dev, "error %d: failed to map resource %pR\n",
+ err, res);
+ continue;
+ }
+ break;
+ case IORESOURCE_MEM:
+ parent = &iomem_resource;
+ break;
+
+ case IORESOURCE_BUS:
+ default:
+ continue;
+ }
+
+ err = devm_request_resource(dev, parent, res);
+ if (err)
+ goto out_release_res;
+ }
+
+ return 0;
+
+out_release_res:
+ rcar_pcie_release_of_pci_ranges(pci);
+ return err;
+}
+
static int rcar_pcie_probe(struct platform_device *pdev)
{
struct rcar_pcie *pcie;
unsigned int data;
- struct of_pci_range range;
- struct of_pci_range_parser parser;
const struct of_device_id *of_id;
- int err, win = 0;
+ int err;
int (*hw_init_fn)(struct rcar_pcie *);
pcie = devm_kzalloc(&pdev->dev, sizeof(*pcie), GFP_KERNEL);
@@ -940,16 +1008,9 @@ static int rcar_pcie_probe(struct platform_device *pdev)
pcie->dev = &pdev->dev;
platform_set_drvdata(pdev, pcie);
- /* Get the bus range */
- if (of_pci_parse_bus_range(pdev->dev.of_node, &pcie->busn)) {
- dev_err(&pdev->dev, "failed to parse bus-range property\n");
- return -EINVAL;
- }
+ INIT_LIST_HEAD(&pcie->resources);
- if (of_pci_range_parser_init(&parser, pdev->dev.of_node)) {
- dev_err(&pdev->dev, "missing ranges property\n");
- return -EINVAL;
- }
+ rcar_pcie_parse_request_of_pci_ranges(pcie);
err = rcar_pcie_get_resources(pdev, pcie);
if (err < 0) {
@@ -957,46 +1018,55 @@ static int rcar_pcie_probe(struct platform_device *pdev)
return err;
}
- for_each_of_pci_range(&parser, &range) {
- err = of_pci_range_to_resource(&range, pdev->dev.of_node,
- &pcie->res[win++]);
- if (err < 0)
- return err;
-
- if (win > RCAR_PCI_MAX_RESOURCES)
- break;
- }
-
err = rcar_pcie_parse_map_dma_ranges(pcie, pdev->dev.of_node);
if (err)
return err;
- if (IS_ENABLED(CONFIG_PCI_MSI)) {
- err = rcar_pcie_enable_msi(pcie);
- if (err < 0) {
- dev_err(&pdev->dev,
- "failed to enable MSI support: %d\n",
- err);
- return err;
- }
- }
-
of_id = of_match_device(rcar_pcie_of_match, pcie->dev);
if (!of_id || !of_id->data)
return -EINVAL;
hw_init_fn = of_id->data;
+ pm_runtime_enable(pcie->dev);
+ err = pm_runtime_get_sync(pcie->dev);
+ if (err < 0) {
+ dev_err(pcie->dev, "pm_runtime_get_sync failed\n");
+ goto err_pm_disable;
+ }
+
/* Failure to get a link might just be that no cards are inserted */
err = hw_init_fn(pcie);
if (err) {
dev_info(&pdev->dev, "PCIe link down\n");
- return 0;
+ err = 0;
+ goto err_pm_put;
}
data = rcar_pci_read_reg(pcie, MACSR);
dev_info(&pdev->dev, "PCIe x%d: link up\n", (data >> 20) & 0x3f);
- return rcar_pcie_enable(pcie);
+ if (IS_ENABLED(CONFIG_PCI_MSI)) {
+ err = rcar_pcie_enable_msi(pcie);
+ if (err < 0) {
+ dev_err(&pdev->dev,
+ "failed to enable MSI support: %d\n",
+ err);
+ goto err_pm_put;
+ }
+ }
+
+ err = rcar_pcie_enable(pcie);
+ if (err)
+ goto err_pm_put;
+
+ return 0;
+
+err_pm_put:
+ pm_runtime_put(pcie->dev);
+
+err_pm_disable:
+ pm_runtime_disable(pcie->dev);
+ return err;
}
static struct platform_driver rcar_pcie_driver = {
diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/host/pcie-spear13xx.c
index b95b7563c052..a6cd8233e8c0 100644
--- a/drivers/pci/host/pcie-spear13xx.c
+++ b/drivers/pci/host/pcie-spear13xx.c
@@ -279,7 +279,8 @@ static int spear13xx_add_pcie_port(struct pcie_port *pp,
return -ENODEV;
}
ret = devm_request_irq(dev, pp->irq, spear13xx_pcie_irq_handler,
- IRQF_SHARED, "spear1340-pcie", pp);
+ IRQF_SHARED | IRQF_NO_THREAD,
+ "spear1340-pcie", pp);
if (ret) {
dev_err(dev, "failed to request irq %d\n", pp->irq);
return ret;
diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index 3c7a0d580b1e..4cfa46360d12 100644
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -781,7 +781,8 @@ static int xilinx_pcie_parse_dt(struct xilinx_pcie_port *port)
port->irq = irq_of_parse_and_map(node, 0);
err = devm_request_irq(dev, port->irq, xilinx_pcie_intr_handler,
- IRQF_SHARED, "xilinx-pcie", port);
+ IRQF_SHARED | IRQF_NO_THREAD,
+ "xilinx-pcie", port);
if (err) {
dev_err(dev, "unable to request irq %d\n", port->irq);
return err;
diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c
index 876ccc620440..a5e66df4ad14 100644
--- a/drivers/pci/hotplug/acpi_pcihp.c
+++ b/drivers/pci/hotplug/acpi_pcihp.c
@@ -36,10 +36,10 @@
#define MY_NAME "acpi_pcihp"
-#define dbg(fmt, arg...) do { if (debug_acpi) printk(KERN_DEBUG "%s: %s: " fmt , MY_NAME , __func__ , ## arg); } while (0)
-#define err(format, arg...) printk(KERN_ERR "%s: " format , MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format , MY_NAME , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format , MY_NAME , ## arg)
+#define dbg(fmt, arg...) do { if (debug_acpi) printk(KERN_DEBUG "%s: %s: " fmt, MY_NAME, __func__, ## arg); } while (0)
+#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME, ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)
#define METHOD_NAME__SUN "_SUN"
#define METHOD_NAME_OSHP "OSHP"
@@ -132,7 +132,7 @@ int acpi_get_hp_hw_control_from_firmware(struct pci_dev *pdev, u32 flags)
while (handle) {
acpi_get_name(handle, ACPI_FULL_PATHNAME, &string);
- dbg("Trying to get hotplug control for %s \n",
+ dbg("Trying to get hotplug control for %s\n",
(char *)string.pointer);
status = acpi_run_oshp(handle);
if (ACPI_SUCCESS(status))
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index b0e61bf261a7..f0ebc8b9a15a 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -181,7 +181,7 @@ struct acpiphp_attention_info
/* function prototypes */
/* acpiphp_core.c */
-int acpiphp_register_attention(struct acpiphp_attention_info*info);
+int acpiphp_register_attention(struct acpiphp_attention_info *info);
int acpiphp_unregister_attention(struct acpiphp_attention_info *info);
int acpiphp_register_hotplug_slot(struct acpiphp_slot *slot, unsigned int sun);
void acpiphp_unregister_hotplug_slot(struct acpiphp_slot *slot);
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index e291efcd02a2..3c81fc8b0103 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -63,13 +63,13 @@ MODULE_LICENSE("GPL");
MODULE_PARM_DESC(disable, "disable acpiphp driver");
module_param_named(disable, acpiphp_disabled, bool, 0444);
-static int enable_slot (struct hotplug_slot *slot);
-static int disable_slot (struct hotplug_slot *slot);
-static int set_attention_status (struct hotplug_slot *slot, u8 value);
-static int get_power_status (struct hotplug_slot *slot, u8 *value);
-static int get_attention_status (struct hotplug_slot *slot, u8 *value);
-static int get_latch_status (struct hotplug_slot *slot, u8 *value);
-static int get_adapter_status (struct hotplug_slot *slot, u8 *value);
+static int enable_slot(struct hotplug_slot *slot);
+static int disable_slot(struct hotplug_slot *slot);
+static int set_attention_status(struct hotplug_slot *slot, u8 value);
+static int get_power_status(struct hotplug_slot *slot, u8 *value);
+static int get_attention_status(struct hotplug_slot *slot, u8 *value);
+static int get_latch_status(struct hotplug_slot *slot, u8 *value);
+static int get_adapter_status(struct hotplug_slot *slot, u8 *value);
static struct hotplug_slot_ops acpi_hotplug_slot_ops = {
.enable_slot = enable_slot,
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index ff538568a617..5f2fda12e006 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -707,7 +707,7 @@ static void acpiphp_sanitize_bus(struct pci_bus *bus)
unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM;
list_for_each_entry_safe_reverse(dev, tmp, &bus->devices, bus_list) {
- for (i=0; i<PCI_BRIDGE_RESOURCES; i++) {
+ for (i = 0; i < PCI_BRIDGE_RESOURCES; i++) {
struct resource *res = &dev->resource[i];
if ((res->flags & type_mask) && !res->start &&
res->end) {
diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index 6ca23998ee8f..2f6d3a1c1726 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -154,7 +154,8 @@ static union apci_descriptor *ibm_slot_from_id(int id)
ibm_slot_done:
if (ret) {
ret = kmalloc(sizeof(union apci_descriptor), GFP_KERNEL);
- memcpy(ret, des, sizeof(union apci_descriptor));
+ if (ret)
+ memcpy(ret, des, sizeof(union apci_descriptor));
}
kfree(table);
return ret;
@@ -175,8 +176,13 @@ static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status)
acpi_status stat;
unsigned long long rc;
union apci_descriptor *ibm_slot;
+ int id = hpslot_to_sun(slot);
- ibm_slot = ibm_slot_from_id(hpslot_to_sun(slot));
+ ibm_slot = ibm_slot_from_id(id);
+ if (!ibm_slot) {
+ pr_err("APLS null ACPI descriptor for slot %d\n", id);
+ return -ENODEV;
+ }
pr_debug("%s: set slot %d (%d) attention status to %d\n", __func__,
ibm_slot->slot.slot_num, ibm_slot->slot.slot_id,
@@ -215,8 +221,13 @@ static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status)
static int ibm_get_attention_status(struct hotplug_slot *slot, u8 *status)
{
union apci_descriptor *ibm_slot;
+ int id = hpslot_to_sun(slot);
- ibm_slot = ibm_slot_from_id(hpslot_to_sun(slot));
+ ibm_slot = ibm_slot_from_id(id);
+ if (!ibm_slot) {
+ pr_err("APLS null ACPI descriptor for slot %d\n", id);
+ return -ENODEV;
+ }
if (ibm_slot->slot.attn & 0xa0 || ibm_slot->slot.status[1] & 0x08)
*status = 1;
@@ -325,7 +336,7 @@ static int ibm_get_table_from_acpi(char **bufp)
}
size = 0;
- for (i=0; i<package->package.count; i++) {
+ for (i = 0; i < package->package.count; i++) {
memcpy(&lbuf[size],
package->package.elements[i].buffer.pointer,
package->package.elements[i].buffer.length);
diff --git a/drivers/pci/hotplug/cpci_hotplug.h b/drivers/pci/hotplug/cpci_hotplug.h
index 6a0ddf757349..555bcde3b196 100644
--- a/drivers/pci/hotplug/cpci_hotplug.h
+++ b/drivers/pci/hotplug/cpci_hotplug.h
@@ -52,13 +52,13 @@ struct slot {
};
struct cpci_hp_controller_ops {
- int (*query_enum) (void);
- int (*enable_irq) (void);
- int (*disable_irq) (void);
- int (*check_irq) (void *dev_id);
- int (*hardware_test) (struct slot *slot, u32 value);
- u8 (*get_power) (struct slot *slot);
- int (*set_power) (struct slot *slot, int value);
+ int (*query_enum)(void);
+ int (*enable_irq)(void);
+ int (*disable_irq)(void);
+ int (*check_irq)(void *dev_id);
+ int (*hardware_test)(struct slot *slot, u32 value);
+ u8 (*get_power)(struct slot *slot);
+ int (*set_power)(struct slot *slot, int value);
};
struct cpci_hp_controller {
diff --git a/drivers/pci/hotplug/cpci_hotplug_core.c b/drivers/pci/hotplug/cpci_hotplug_core.c
index 46db29395a62..7d3866c47312 100644
--- a/drivers/pci/hotplug/cpci_hotplug_core.c
+++ b/drivers/pci/hotplug/cpci_hotplug_core.c
@@ -45,12 +45,12 @@
#define dbg(format, arg...) \
do { \
if (cpci_debug) \
- printk (KERN_DEBUG "%s: " format "\n", \
- MY_NAME , ## arg); \
+ printk(KERN_DEBUG "%s: " format "\n", \
+ MY_NAME, ## arg); \
} while (0)
-#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME , ## arg)
+#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME, ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME, ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME, ## arg)
/* local variables */
static DECLARE_RWSEM(list_rwsem);
@@ -238,21 +238,21 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
* with the pci_hotplug subsystem.
*/
for (i = first; i <= last; ++i) {
- slot = kzalloc(sizeof (struct slot), GFP_KERNEL);
+ slot = kzalloc(sizeof(struct slot), GFP_KERNEL);
if (!slot) {
status = -ENOMEM;
goto error;
}
hotplug_slot =
- kzalloc(sizeof (struct hotplug_slot), GFP_KERNEL);
+ kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
if (!hotplug_slot) {
status = -ENOMEM;
goto error_slot;
}
slot->hotplug_slot = hotplug_slot;
- info = kzalloc(sizeof (struct hotplug_slot_info), GFP_KERNEL);
+ info = kzalloc(sizeof(struct hotplug_slot_info), GFP_KERNEL);
if (!info) {
status = -ENOMEM;
goto error_hpslot;
diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c
index 788db48dbbad..80c80017197d 100644
--- a/drivers/pci/hotplug/cpci_hotplug_pci.c
+++ b/drivers/pci/hotplug/cpci_hotplug_pci.c
@@ -38,12 +38,12 @@ extern int cpci_debug;
#define dbg(format, arg...) \
do { \
if (cpci_debug) \
- printk (KERN_DEBUG "%s: " format "\n", \
- MY_NAME , ## arg); \
+ printk(KERN_DEBUG "%s: " format "\n", \
+ MY_NAME, ## arg); \
} while (0)
-#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME , ## arg)
+#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME, ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME, ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME, ## arg)
u8 cpci_get_attention_status(struct slot *slot)
diff --git a/drivers/pci/hotplug/cpcihp_generic.c b/drivers/pci/hotplug/cpcihp_generic.c
index 66b7bbebe493..88a44a707b96 100644
--- a/drivers/pci/hotplug/cpcihp_generic.c
+++ b/drivers/pci/hotplug/cpcihp_generic.c
@@ -54,12 +54,12 @@
#define dbg(format, arg...) \
do { \
if (debug) \
- printk (KERN_DEBUG "%s: " format "\n", \
- MY_NAME , ## arg); \
+ printk(KERN_DEBUG "%s: " format "\n", \
+ MY_NAME, ## arg); \
} while (0)
-#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME , ## arg)
+#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME, ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME, ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME, ## arg)
/* local variables */
static bool debug;
@@ -164,7 +164,7 @@ static int __init cpcihp_generic_init(void)
bus = dev->subordinate;
pci_dev_put(dev);
- memset(&generic_hpc, 0, sizeof (struct cpci_hp_controller));
+ memset(&generic_hpc, 0, sizeof(struct cpci_hp_controller));
generic_hpc_ops.query_enum = query_enum;
generic_hpc.ops = &generic_hpc_ops;
diff --git a/drivers/pci/hotplug/cpcihp_zt5550.c b/drivers/pci/hotplug/cpcihp_zt5550.c
index 7ecf34e76a61..5f49c3fd736a 100644
--- a/drivers/pci/hotplug/cpcihp_zt5550.c
+++ b/drivers/pci/hotplug/cpcihp_zt5550.c
@@ -49,12 +49,12 @@
#define dbg(format, arg...) \
do { \
if (debug) \
- printk (KERN_DEBUG "%s: " format "\n", \
- MY_NAME , ## arg); \
+ printk(KERN_DEBUG "%s: " format "\n", \
+ MY_NAME, ## arg); \
} while (0)
-#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME , ## arg)
+#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME, ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME, ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME, ## arg)
/* local variables */
static bool debug;
@@ -204,7 +204,7 @@ static int zt5550_hc_disable_irq(void)
return 0;
}
-static int zt5550_hc_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
+static int zt5550_hc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int status;
@@ -214,7 +214,7 @@ static int zt5550_hc_init_one (struct pci_dev *pdev, const struct pci_device_id
dbg("returned from zt5550_hc_config");
- memset(&zt5550_hpc, 0, sizeof (struct cpci_hp_controller));
+ memset(&zt5550_hpc, 0, sizeof(struct cpci_hp_controller));
zt5550_hpc_ops.query_enum = zt5550_hc_query_enum;
zt5550_hpc.ops = &zt5550_hpc_ops;
if (!poll) {
diff --git a/drivers/pci/hotplug/cpqphp.h b/drivers/pci/hotplug/cpqphp.h
index b28b2d2184cd..9103a7b9f3b9 100644
--- a/drivers/pci/hotplug/cpqphp.h
+++ b/drivers/pci/hotplug/cpqphp.h
@@ -36,10 +36,10 @@
#define MY_NAME "cpqphp"
-#define dbg(fmt, arg...) do { if (cpqhp_debug) printk(KERN_DEBUG "%s: " fmt , MY_NAME , ## arg); } while (0)
-#define err(format, arg...) printk(KERN_ERR "%s: " format , MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format , MY_NAME , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format , MY_NAME , ## arg)
+#define dbg(fmt, arg...) do { if (cpqhp_debug) printk(KERN_DEBUG "%s: " fmt, MY_NAME, ## arg); } while (0)
+#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME, ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)
@@ -424,7 +424,7 @@ int cpqhp_process_SS(struct controller *ctrl, struct pci_func *func);
int cpqhp_hardware_test(struct controller *ctrl, int test_num);
/* resource functions */
-int cpqhp_resource_sort_and_combine (struct pci_resource **head);
+int cpqhp_resource_sort_and_combine(struct pci_resource **head);
/* pci functions */
int cpqhp_set_irq(u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num);
@@ -685,7 +685,7 @@ static inline int cpq_get_latch_status(struct controller *ctrl,
u8 hp_slot;
hp_slot = slot->device - ctrl->slot_device_offset;
- dbg("%s: slot->device = %d, ctrl->slot_device_offset = %d \n",
+ dbg("%s: slot->device = %d, ctrl->slot_device_offset = %d\n",
__func__, slot->device, ctrl->slot_device_offset);
status = (readl(ctrl->hpc_reg + INT_INPUT_CLEAR) & (0x01L << hp_slot));
@@ -712,7 +712,7 @@ static inline int get_presence_status(struct controller *ctrl,
static inline int wait_for_ctrl_irq(struct controller *ctrl)
{
- DECLARE_WAITQUEUE(wait, current);
+ DECLARE_WAITQUEUE(wait, current);
int retval = 0;
dbg("%s - start\n", __func__);
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index a53084ddc118..74f3a0695b43 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -291,7 +291,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
kfree(slot);
}
-static int ctrl_slot_cleanup (struct controller *ctrl)
+static int ctrl_slot_cleanup(struct controller *ctrl)
{
struct slot *old_slot, *next_slot;
@@ -301,7 +301,7 @@ static int ctrl_slot_cleanup (struct controller *ctrl)
while (old_slot) {
/* memory will be freed by the release_slot callback */
next_slot = old_slot->next;
- pci_hp_deregister (old_slot->hotplug_slot);
+ pci_hp_deregister(old_slot->hotplug_slot);
old_slot = next_slot;
}
@@ -413,9 +413,9 @@ cpqhp_set_attention_status(struct controller *ctrl, struct pci_func *func,
mutex_lock(&ctrl->crit_sect);
if (status == 1)
- amber_LED_on (ctrl, hp_slot);
+ amber_LED_on(ctrl, hp_slot);
else if (status == 0)
- amber_LED_off (ctrl, hp_slot);
+ amber_LED_off(ctrl, hp_slot);
else {
/* Done with exclusive hardware access */
mutex_unlock(&ctrl->crit_sect);
@@ -425,7 +425,7 @@ cpqhp_set_attention_status(struct controller *ctrl, struct pci_func *func,
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
/* Done with exclusive hardware access */
mutex_unlock(&ctrl->crit_sect);
@@ -439,7 +439,7 @@ cpqhp_set_attention_status(struct controller *ctrl, struct pci_func *func,
* @hotplug_slot: slot to change LED on
* @status: LED control flag
*/
-static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
+static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
{
struct pci_func *slot_func;
struct slot *slot = hotplug_slot->private;
@@ -610,7 +610,7 @@ static int ctrl_slot_setup(struct controller *ctrl,
u8 ctrl_slot;
u32 tempdword;
char name[SLOT_NAME_SIZE];
- void __iomem *slot_entry= NULL;
+ void __iomem *slot_entry = NULL;
int result;
dbg("%s\n", __func__);
@@ -755,7 +755,7 @@ static int one_time_init(void)
if (cpqhp_debug)
pci_print_IRQ_route();
- dbg("Initialize + Start the notification mechanism \n");
+ dbg("Initialize + Start the notification mechanism\n");
retval = cpqhp_event_start_thread();
if (retval)
@@ -772,7 +772,7 @@ static int one_time_init(void)
/* Map rom address */
cpqhp_rom_start = ioremap(ROM_PHY_ADDR, ROM_PHY_LEN);
if (!cpqhp_rom_start) {
- err ("Could not ioremap memory region for ROM\n");
+ err("Could not ioremap memory region for ROM\n");
retval = -EIO;
goto error;
}
@@ -786,7 +786,7 @@ static int one_time_init(void)
smbios_table = detect_SMBIOS_pointer(cpqhp_rom_start,
cpqhp_rom_start + ROM_PHY_LEN);
if (!smbios_table) {
- err ("Could not find the SMBIOS pointer in memory\n");
+ err("Could not find the SMBIOS pointer in memory\n");
retval = -EIO;
goto error_rom_start;
}
@@ -794,7 +794,7 @@ static int one_time_init(void)
smbios_start = ioremap(readl(smbios_table + ST_ADDRESS),
readw(smbios_table + ST_LENGTH));
if (!smbios_start) {
- err ("Could not ioremap memory region taken from SMBIOS values\n");
+ err("Could not ioremap memory region taken from SMBIOS values\n");
retval = -EIO;
goto error_smbios_start;
}
@@ -1181,7 +1181,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
* Finish setting up the hot plug ctrl device
*/
ctrl->slot_device_offset = readb(ctrl->hpc_reg + SLOT_MASK) >> 4;
- dbg("NumSlots %d \n", ctrl->slot_device_offset);
+ dbg("NumSlots %d\n", ctrl->slot_device_offset);
ctrl->next_event = 0;
@@ -1198,7 +1198,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
writel(0xFFFFFFFFL, ctrl->hpc_reg + INT_MASK);
/* set up the interrupt */
- dbg("HPC interrupt = %d \n", ctrl->interrupt);
+ dbg("HPC interrupt = %d\n", ctrl->interrupt);
if (request_irq(ctrl->interrupt, cpqhp_ctrl_intr,
IRQF_SHARED, MY_NAME, ctrl)) {
err("Can't get irq %d for the hotplug pci controller\n",
@@ -1321,7 +1321,7 @@ static void __exit unload_cpqphpd(void)
while (ctrl) {
if (ctrl->hpc_reg) {
u16 misc;
- rc = read_slot_enable (ctrl);
+ rc = read_slot_enable(ctrl);
writeb(0, ctrl->hpc_reg + SLOT_SERR);
writel(0xFFFFFFC0L | ~rc, ctrl->hpc_reg + INT_MASK);
@@ -1361,7 +1361,7 @@ static void __exit unload_cpqphpd(void)
kfree(tres);
}
- kfree (ctrl->pci_bus);
+ kfree(ctrl->pci_bus);
tctrl = ctrl;
ctrl = ctrl->next;
@@ -1446,7 +1446,7 @@ static int __init cpqhpc_init(void)
cpqhp_debug = debug;
- info (DRIVER_DESC " version: " DRIVER_VERSION "\n");
+ info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
cpqhp_initialize_debugfs();
result = pci_register_driver(&cpqhpc_driver);
dbg("pci_register_driver = %d\n", result);
diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c
index c5cbefee5236..a55653b54eed 100644
--- a/drivers/pci/hotplug/cpqphp_ctrl.c
+++ b/drivers/pci/hotplug/cpqphp_ctrl.c
@@ -155,7 +155,7 @@ static u8 handle_presence_change(u16 change, struct controller *ctrl)
* Presence Change
*/
dbg("cpqsbd: Presence/Notify input change.\n");
- dbg(" Changed bits are 0x%4.4x\n", change );
+ dbg(" Changed bits are 0x%4.4x\n", change);
for (hp_slot = 0; hp_slot < 6; hp_slot++) {
if (change & (0x0101 << hp_slot)) {
@@ -276,9 +276,9 @@ static u8 handle_power_fault(u8 change, struct controller *ctrl)
taskInfo->event_type = INT_POWER_FAULT;
if (ctrl->rev < 4) {
- amber_LED_on (ctrl, hp_slot);
- green_LED_off (ctrl, hp_slot);
- set_SOGO (ctrl);
+ amber_LED_on(ctrl, hp_slot);
+ green_LED_off(ctrl, hp_slot);
+ set_SOGO(ctrl);
/* this is a fatal condition, we want
* to crash the machine to protect from
@@ -438,7 +438,7 @@ static struct pci_resource *do_pre_bridge_resource_split(struct pci_resource **h
node = *head;
- if (node->length & (alignment -1)) {
+ if (node->length & (alignment - 1)) {
/* this one isn't an aligned length, so we'll make a new entry
* and split it up.
*/
@@ -835,13 +835,13 @@ int cpqhp_resource_sort_and_combine(struct pci_resource **head)
if (!(*head))
return 1;
- dbg("*head->next = %p\n",(*head)->next);
+ dbg("*head->next = %p\n", (*head)->next);
if (!(*head)->next)
return 0; /* only one item on the list, already sorted! */
- dbg("*head->base = 0x%x\n",(*head)->base);
- dbg("*head->next->base = 0x%x\n",(*head)->next->base);
+ dbg("*head->base = 0x%x\n", (*head)->base);
+ dbg("*head->next->base = 0x%x\n", (*head)->next->base);
while (out_of_order) {
out_of_order = 0;
@@ -917,7 +917,7 @@ irqreturn_t cpqhp_ctrl_intr(int IRQ, void *data)
/* Read to clear posted writes */
misc = readw(ctrl->hpc_reg + MISC);
- dbg ("%s - waking up\n", __func__);
+ dbg("%s - waking up\n", __func__);
wake_up_interruptible(&ctrl->queue);
}
@@ -1285,18 +1285,18 @@ static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
/*
* The board is already on
*/
- else if (is_slot_enabled (ctrl, hp_slot))
+ else if (is_slot_enabled(ctrl, hp_slot))
rc = CARD_FUNCTIONING;
else {
mutex_lock(&ctrl->crit_sect);
/* turn on board without attaching to the bus */
- enable_slot_power (ctrl, hp_slot);
+ enable_slot_power(ctrl, hp_slot);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
/* Change bits in slot power register to force another shift out
* NOTE: this is to work around the timer bug */
@@ -1307,7 +1307,7 @@ static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
adapter_speed = get_adapter_speed(ctrl, hp_slot);
if (bus->cur_bus_speed != adapter_speed)
@@ -1315,12 +1315,12 @@ static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
rc = WRONG_BUS_FREQUENCY;
/* turn off board without attaching to the bus */
- disable_slot_power (ctrl, hp_slot);
+ disable_slot_power(ctrl, hp_slot);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
mutex_unlock(&ctrl->crit_sect);
@@ -1329,15 +1329,15 @@ static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
mutex_lock(&ctrl->crit_sect);
- slot_enable (ctrl, hp_slot);
- green_LED_blink (ctrl, hp_slot);
+ slot_enable(ctrl, hp_slot);
+ green_LED_blink(ctrl, hp_slot);
- amber_LED_off (ctrl, hp_slot);
+ amber_LED_off(ctrl, hp_slot);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
mutex_unlock(&ctrl->crit_sect);
@@ -1366,14 +1366,14 @@ static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
mutex_lock(&ctrl->crit_sect);
- amber_LED_on (ctrl, hp_slot);
- green_LED_off (ctrl, hp_slot);
- slot_disable (ctrl, hp_slot);
+ amber_LED_on(ctrl, hp_slot);
+ green_LED_off(ctrl, hp_slot);
+ slot_disable(ctrl, hp_slot);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
mutex_unlock(&ctrl->crit_sect);
@@ -1392,14 +1392,14 @@ static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
mutex_lock(&ctrl->crit_sect);
- amber_LED_on (ctrl, hp_slot);
- green_LED_off (ctrl, hp_slot);
- slot_disable (ctrl, hp_slot);
+ amber_LED_on(ctrl, hp_slot);
+ green_LED_off(ctrl, hp_slot);
+ slot_disable(ctrl, hp_slot);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
mutex_unlock(&ctrl->crit_sect);
}
@@ -1443,7 +1443,7 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl)
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
/* Change bits in slot power register to force another shift out
* NOTE: this is to work around the timer bug
@@ -1455,7 +1455,7 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl)
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
adapter_speed = get_adapter_speed(ctrl, hp_slot);
if (bus->cur_bus_speed != adapter_speed)
@@ -1463,7 +1463,7 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl)
rc = WRONG_BUS_FREQUENCY;
/* turn off board without attaching to the bus */
- disable_slot_power (ctrl, hp_slot);
+ disable_slot_power(ctrl, hp_slot);
set_SOGO(ctrl);
@@ -1484,20 +1484,20 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl)
dbg("%s: after down\n", __func__);
dbg("%s: before slot_enable\n", __func__);
- slot_enable (ctrl, hp_slot);
+ slot_enable(ctrl, hp_slot);
dbg("%s: before green_LED_blink\n", __func__);
- green_LED_blink (ctrl, hp_slot);
+ green_LED_blink(ctrl, hp_slot);
dbg("%s: before amber_LED_blink\n", __func__);
- amber_LED_off (ctrl, hp_slot);
+ amber_LED_off(ctrl, hp_slot);
dbg("%s: before set_SOGO\n", __func__);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
dbg("%s: before wait_for_ctrl_irq\n", __func__);
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
dbg("%s: after wait_for_ctrl_irq\n", __func__);
dbg("%s: before up\n", __func__);
@@ -1520,7 +1520,7 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl)
} else {
/* Get vendor/device ID u32 */
ctrl->pci_bus->number = func->bus;
- rc = pci_bus_read_config_dword (ctrl->pci_bus, PCI_DEVFN(func->device, func->function), PCI_VENDOR_ID, &temp_register);
+ rc = pci_bus_read_config_dword(ctrl->pci_bus, PCI_DEVFN(func->device, func->function), PCI_VENDOR_ID, &temp_register);
dbg("%s: pci_read_config_dword returns %d\n", __func__, rc);
dbg("%s: temp_register is %x\n", __func__, temp_register);
@@ -1557,14 +1557,14 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl)
if (rc) {
mutex_lock(&ctrl->crit_sect);
- amber_LED_on (ctrl, hp_slot);
- green_LED_off (ctrl, hp_slot);
- slot_disable (ctrl, hp_slot);
+ amber_LED_on(ctrl, hp_slot);
+ green_LED_off(ctrl, hp_slot);
+ slot_disable(ctrl, hp_slot);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
mutex_unlock(&ctrl->crit_sect);
return rc;
@@ -1589,25 +1589,25 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl)
mutex_lock(&ctrl->crit_sect);
- green_LED_on (ctrl, hp_slot);
+ green_LED_on(ctrl, hp_slot);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
mutex_unlock(&ctrl->crit_sect);
} else {
mutex_lock(&ctrl->crit_sect);
- amber_LED_on (ctrl, hp_slot);
- green_LED_off (ctrl, hp_slot);
- slot_disable (ctrl, hp_slot);
+ amber_LED_on(ctrl, hp_slot);
+ green_LED_off(ctrl, hp_slot);
+ slot_disable(ctrl, hp_slot);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
mutex_unlock(&ctrl->crit_sect);
@@ -1672,8 +1672,8 @@ static u32 remove_board(struct pci_func *func, u32 replace_flag, struct controll
mutex_lock(&ctrl->crit_sect);
- green_LED_off (ctrl, hp_slot);
- slot_disable (ctrl, hp_slot);
+ green_LED_off(ctrl, hp_slot);
+ slot_disable(ctrl, hp_slot);
set_SOGO(ctrl);
@@ -1683,7 +1683,7 @@ static u32 remove_board(struct pci_func *func, u32 replace_flag, struct controll
writeb(temp_byte, ctrl->hpc_reg + SLOT_SERR);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
mutex_unlock(&ctrl->crit_sect);
@@ -1755,7 +1755,7 @@ static int event_thread(void *data)
if (pushbutton_pending)
cpqhp_pushbutton_thread(pushbutton_pending);
else
- for (ctrl = cpqhp_ctrl_list; ctrl; ctrl=ctrl->next)
+ for (ctrl = cpqhp_ctrl_list; ctrl; ctrl = ctrl->next)
interrupt_event_handler(ctrl);
}
dbg("event_thread signals exit\n");
@@ -1766,7 +1766,7 @@ int cpqhp_event_start_thread(void)
{
cpqhp_event_thread = kthread_run(event_thread, NULL, "phpd_event");
if (IS_ERR(cpqhp_event_thread)) {
- err ("Can't start up our event thread\n");
+ err("Can't start up our event thread\n");
return PTR_ERR(cpqhp_event_thread);
}
@@ -1794,7 +1794,7 @@ static int update_slot_info(struct controller *ctrl, struct slot *slot)
info->latch_status = cpq_get_latch_status(ctrl, slot);
info->adapter_status = get_presence_status(ctrl, slot);
result = pci_hp_change_slot_info(slot->hotplug_slot, info);
- kfree (info);
+ kfree(info);
return result;
}
@@ -1837,23 +1837,23 @@ static void interrupt_event_handler(struct controller *ctrl)
if (p_slot->state == BLINKINGOFF_STATE) {
/* slot is on */
dbg("turn on green LED\n");
- green_LED_on (ctrl, hp_slot);
+ green_LED_on(ctrl, hp_slot);
} else if (p_slot->state == BLINKINGON_STATE) {
/* slot is off */
dbg("turn off green LED\n");
- green_LED_off (ctrl, hp_slot);
+ green_LED_off(ctrl, hp_slot);
}
info(msg_button_cancel, p_slot->number);
p_slot->state = STATIC_STATE;
- amber_LED_off (ctrl, hp_slot);
+ amber_LED_off(ctrl, hp_slot);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
mutex_unlock(&ctrl->crit_sect);
}
@@ -1861,7 +1861,7 @@ static void interrupt_event_handler(struct controller *ctrl)
else if (ctrl->event_queue[loop].event_type == INT_BUTTON_RELEASE) {
dbg("button release\n");
- if (is_slot_enabled (ctrl, hp_slot)) {
+ if (is_slot_enabled(ctrl, hp_slot)) {
dbg("slot is on\n");
p_slot->state = BLINKINGOFF_STATE;
info(msg_button_off, p_slot->number);
@@ -1874,13 +1874,13 @@ static void interrupt_event_handler(struct controller *ctrl)
dbg("blink green LED and turn off amber\n");
- amber_LED_off (ctrl, hp_slot);
- green_LED_blink (ctrl, hp_slot);
+ amber_LED_off(ctrl, hp_slot);
+ green_LED_blink(ctrl, hp_slot);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
mutex_unlock(&ctrl->crit_sect);
init_timer(&p_slot->task_event);
@@ -1940,7 +1940,7 @@ void cpqhp_pushbutton_thread(unsigned long slot)
dbg("In power_down_board, func = %p, ctrl = %p\n", func, ctrl);
if (!func) {
dbg("Error! func NULL in %s\n", __func__);
- return ;
+ return;
}
if (cpqhp_process_SS(ctrl, func) != 0) {
@@ -1962,7 +1962,7 @@ void cpqhp_pushbutton_thread(unsigned long slot)
dbg("In add_board, func = %p, ctrl = %p\n", func, ctrl);
if (!func) {
dbg("Error! func NULL in %s\n", __func__);
- return ;
+ return;
}
if (ctrl != NULL) {
@@ -1973,7 +1973,7 @@ void cpqhp_pushbutton_thread(unsigned long slot)
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
}
}
@@ -2086,7 +2086,7 @@ int cpqhp_process_SS(struct controller *ctrl, struct pci_func *func)
unsigned int devfn;
struct slot *p_slot;
struct pci_bus *pci_bus = ctrl->pci_bus;
- int physical_slot=0;
+ int physical_slot = 0;
device = func->device;
func = cpqhp_slot_find(ctrl->bus, device, index++);
@@ -2100,7 +2100,7 @@ int cpqhp_process_SS(struct controller *ctrl, struct pci_func *func)
devfn = PCI_DEVFN(func->device, func->function);
/* Check the Class Code */
- rc = pci_bus_read_config_byte (pci_bus, devfn, 0x0B, &class_code);
+ rc = pci_bus_read_config_byte(pci_bus, devfn, 0x0B, &class_code);
if (rc)
return rc;
@@ -2109,13 +2109,13 @@ int cpqhp_process_SS(struct controller *ctrl, struct pci_func *func)
rc = REMOVE_NOT_SUPPORTED;
} else {
/* See if it's a bridge */
- rc = pci_bus_read_config_byte (pci_bus, devfn, PCI_HEADER_TYPE, &header_type);
+ rc = pci_bus_read_config_byte(pci_bus, devfn, PCI_HEADER_TYPE, &header_type);
if (rc)
return rc;
/* If it's a bridge, check the VGA Enable bit */
if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
- rc = pci_bus_read_config_byte (pci_bus, devfn, PCI_BRIDGE_CONTROL, &BCR);
+ rc = pci_bus_read_config_byte(pci_bus, devfn, PCI_BRIDGE_CONTROL, &BCR);
if (rc)
return rc;
@@ -2217,7 +2217,7 @@ int cpqhp_hardware_test(struct controller *ctrl, int test_num)
set_SOGO(ctrl);
/* Wait for SOGO interrupt */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
/* Get ready for next iteration */
long_delay((3*HZ)/10);
@@ -2227,7 +2227,7 @@ int cpqhp_hardware_test(struct controller *ctrl, int test_num)
set_SOGO(ctrl);
/* Wait for SOGO interrupt */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
/* Get ready for next iteration */
long_delay((3*HZ)/10);
@@ -2243,7 +2243,7 @@ int cpqhp_hardware_test(struct controller *ctrl, int test_num)
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- wait_for_ctrl_irq (ctrl);
+ wait_for_ctrl_irq(ctrl);
break;
case 2:
/* Do other stuff here! */
@@ -2279,7 +2279,7 @@ static u32 configure_new_device(struct controller *ctrl, struct pci_func *func
dbg("%s\n", __func__);
/* Check for Multi-function device */
ctrl->pci_bus->number = func->bus;
- rc = pci_bus_read_config_byte (ctrl->pci_bus, PCI_DEVFN(func->device, func->function), 0x0E, &temp_byte);
+ rc = pci_bus_read_config_byte(ctrl->pci_bus, PCI_DEVFN(func->device, func->function), 0x0E, &temp_byte);
if (rc) {
dbg("%s: rc = %d\n", __func__, rc);
return rc;
@@ -2296,7 +2296,7 @@ static u32 configure_new_device(struct controller *ctrl, struct pci_func *func
rc = configure_new_function(ctrl, new_slot, behind_bridge, resources);
if (rc) {
- dbg("configure_new_function failed %d\n",rc);
+ dbg("configure_new_function failed %d\n", rc);
index = 0;
while (new_slot) {
@@ -2317,7 +2317,7 @@ static u32 configure_new_device(struct controller *ctrl, struct pci_func *func
* and creates a board structure */
while ((function < max_functions) && (!stop_it)) {
- pci_bus_read_config_dword (ctrl->pci_bus, PCI_DEVFN(func->device, function), 0x00, &ID);
+ pci_bus_read_config_dword(ctrl->pci_bus, PCI_DEVFN(func->device, function), 0x00, &ID);
if (ID == 0xFFFFFFFF) {
function++;
@@ -2543,10 +2543,10 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
/* set Pre Mem base and Limit registers */
temp_word = p_mem_node->base >> 16;
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_PREF_MEMORY_BASE, temp_word);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_PREF_MEMORY_BASE, temp_word);
temp_word = (p_mem_node->base + p_mem_node->length - 1) >> 16;
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, temp_word);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, temp_word);
/* Adjust this to compensate for extra adjustment in first loop
*/
@@ -2560,7 +2560,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
ID = 0xFFFFFFFF;
pci_bus->number = hold_bus_node->base;
- pci_bus_read_config_dword (pci_bus, PCI_DEVFN(device, 0), 0x00, &ID);
+ pci_bus_read_config_dword(pci_bus, PCI_DEVFN(device, 0), 0x00, &ID);
pci_bus->number = func->bus;
if (ID != 0xFFFFFFFF) { /* device present */
@@ -2579,7 +2579,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
new_slot->status = 0;
rc = configure_new_device(ctrl, new_slot, 1, &temp_resources);
- dbg("configure_new_device rc=0x%x\n",rc);
+ dbg("configure_new_device rc=0x%x\n", rc);
} /* End of IF (device in slot?) */
} /* End of FOR loop */
@@ -2615,7 +2615,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
temp_byte = temp_resources.bus_head->base - 1;
/* set subordinate bus */
- rc = pci_bus_write_config_byte (pci_bus, devfn, PCI_SUBORDINATE_BUS, temp_byte);
+ rc = pci_bus_write_config_byte(pci_bus, devfn, PCI_SUBORDINATE_BUS, temp_byte);
if (temp_resources.bus_head->length == 0) {
kfree(temp_resources.bus_head);
@@ -2636,7 +2636,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
hold_IO_node->base = io_node->base + io_node->length;
temp_byte = (hold_IO_node->base) >> 8;
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_IO_BASE, temp_byte);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_IO_BASE, temp_byte);
return_resource(&(resources->io_head), io_node);
}
@@ -2655,13 +2655,13 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
func->io_head = hold_IO_node;
temp_byte = (io_node->base - 1) >> 8;
- rc = pci_bus_write_config_byte (pci_bus, devfn, PCI_IO_LIMIT, temp_byte);
+ rc = pci_bus_write_config_byte(pci_bus, devfn, PCI_IO_LIMIT, temp_byte);
return_resource(&(resources->io_head), io_node);
} else {
/* it doesn't need any IO */
temp_word = 0x0000;
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_IO_LIMIT, temp_word);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_IO_LIMIT, temp_word);
return_resource(&(resources->io_head), io_node);
kfree(hold_IO_node);
@@ -2687,7 +2687,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
hold_mem_node->base = mem_node->base + mem_node->length;
temp_word = (hold_mem_node->base) >> 16;
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_MEMORY_BASE, temp_word);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_BASE, temp_word);
return_resource(&(resources->mem_head), mem_node);
}
@@ -2706,14 +2706,14 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
/* configure end address */
temp_word = (mem_node->base - 1) >> 16;
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_MEMORY_LIMIT, temp_word);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_LIMIT, temp_word);
/* Return unused resources to the pool */
return_resource(&(resources->mem_head), mem_node);
} else {
/* it doesn't need any Mem */
temp_word = 0x0000;
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_MEMORY_LIMIT, temp_word);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_LIMIT, temp_word);
return_resource(&(resources->mem_head), mem_node);
kfree(hold_mem_node);
@@ -2739,7 +2739,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
hold_p_mem_node->base = p_mem_node->base + p_mem_node->length;
temp_word = (hold_p_mem_node->base) >> 16;
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_PREF_MEMORY_BASE, temp_word);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_PREF_MEMORY_BASE, temp_word);
return_resource(&(resources->p_mem_head), p_mem_node);
}
@@ -2758,13 +2758,13 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
func->p_mem_head = hold_p_mem_node;
temp_word = (p_mem_node->base - 1) >> 16;
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, temp_word);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, temp_word);
return_resource(&(resources->p_mem_head), p_mem_node);
} else {
/* it doesn't need any PMem */
temp_word = 0x0000;
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, temp_word);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, temp_word);
return_resource(&(resources->p_mem_head), p_mem_node);
kfree(hold_p_mem_node);
@@ -2790,16 +2790,16 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
* PCI_COMMAND_INVALIDATE |
* PCI_COMMAND_PARITY |
* PCI_COMMAND_SERR */
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_COMMAND, command);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_COMMAND, command);
/* set Bridge Control Register */
command = 0x07; /* = PCI_BRIDGE_CTL_PARITY |
* PCI_BRIDGE_CTL_SERR |
* PCI_BRIDGE_CTL_NO_ISA */
- rc = pci_bus_write_config_word (pci_bus, devfn, PCI_BRIDGE_CONTROL, command);
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_BRIDGE_CONTROL, command);
} else if ((temp_byte & 0x7F) == PCI_HEADER_TYPE_NORMAL) {
/* Standard device */
- rc = pci_bus_read_config_byte (pci_bus, devfn, 0x0B, &class_code);
+ rc = pci_bus_read_config_byte(pci_bus, devfn, 0x0B, &class_code);
if (class_code == PCI_BASE_CLASS_DISPLAY) {
/* Display (video) adapter (not supported) */
@@ -2810,9 +2810,9 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
temp_register = 0xFFFFFFFF;
dbg("CND: bus=%d, devfn=%d, offset=%d\n", pci_bus->number, devfn, cloop);
- rc = pci_bus_write_config_dword (pci_bus, devfn, cloop, temp_register);
+ rc = pci_bus_write_config_dword(pci_bus, devfn, cloop, temp_register);
- rc = pci_bus_read_config_dword (pci_bus, devfn, cloop, &temp_register);
+ rc = pci_bus_read_config_dword(pci_bus, devfn, cloop, &temp_register);
dbg("CND: base = 0x%x\n", temp_register);
if (temp_register) { /* If this register is implemented */
@@ -2891,7 +2891,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
} /* End of base register loop */
if (cpqhp_legacy_mode) {
/* Figure out which interrupt pin this function uses */
- rc = pci_bus_read_config_byte (pci_bus, devfn,
+ rc = pci_bus_read_config_byte(pci_bus, devfn,
PCI_INTERRUPT_PIN, &temp_byte);
/* If this function needs an interrupt and we are behind
@@ -2905,7 +2905,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
resources->irqs->barber_pole - 1) & 0x03];
} else {
/* Program IRQ based on card type */
- rc = pci_bus_read_config_byte (pci_bus, devfn, 0x0B, &class_code);
+ rc = pci_bus_read_config_byte(pci_bus, devfn, 0x0B, &class_code);
if (class_code == PCI_BASE_CLASS_STORAGE)
IRQ = cpqhp_disk_irq;
@@ -2914,7 +2914,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
}
/* IRQ Line */
- rc = pci_bus_write_config_byte (pci_bus, devfn, PCI_INTERRUPT_LINE, IRQ);
+ rc = pci_bus_write_config_byte(pci_bus, devfn, PCI_INTERRUPT_LINE, IRQ);
}
if (!behind_bridge) {
@@ -2950,7 +2950,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
* PCI_COMMAND_INVALIDATE |
* PCI_COMMAND_PARITY |
* PCI_COMMAND_SERR */
- rc = pci_bus_write_config_word (pci_bus, devfn,
+ rc = pci_bus_write_config_word(pci_bus, devfn,
PCI_COMMAND, temp_word);
} else { /* End of Not-A-Bridge else */
/* It's some strange type of PCI adapter (Cardbus?) */
@@ -2961,11 +2961,11 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
return 0;
free_and_out:
- cpqhp_destroy_resource_list (&temp_resources);
+ cpqhp_destroy_resource_list(&temp_resources);
- return_resource(&(resources-> bus_head), hold_bus_node);
- return_resource(&(resources-> io_head), hold_IO_node);
- return_resource(&(resources-> mem_head), hold_mem_node);
- return_resource(&(resources-> p_mem_head), hold_p_mem_node);
+ return_resource(&(resources->bus_head), hold_bus_node);
+ return_resource(&(resources->io_head), hold_IO_node);
+ return_resource(&(resources->mem_head), hold_mem_node);
+ return_resource(&(resources->p_mem_head), hold_p_mem_node);
return rc;
}
diff --git a/drivers/pci/hotplug/cpqphp_nvram.c b/drivers/pci/hotplug/cpqphp_nvram.c
index 1e08ff8c229c..c25fc9061059 100644
--- a/drivers/pci/hotplug/cpqphp_nvram.c
+++ b/drivers/pci/hotplug/cpqphp_nvram.c
@@ -114,10 +114,10 @@ static u32 add_byte(u32 **p_buffer, u8 value, u32 *used, u32 *avail)
if ((*used + 1) > *avail)
return(1);
- *((u8*)*p_buffer) = value;
- tByte = (u8**)p_buffer;
+ *((u8 *)*p_buffer) = value;
+ tByte = (u8 **)p_buffer;
(*tByte)++;
- *used+=1;
+ *used += 1;
return(0);
}
@@ -129,7 +129,7 @@ static u32 add_dword(u32 **p_buffer, u32 value, u32 *used, u32 *avail)
**p_buffer = value;
(*p_buffer)++;
- *used+=4;
+ *used += 4;
return(0);
}
@@ -141,7 +141,7 @@ static u32 add_dword(u32 **p_buffer, u32 value, u32 *used, u32 *avail)
*
* returns 0 for non-Compaq ROM, 1 for Compaq ROM
*/
-static int check_for_compaq_ROM (void __iomem *rom_start)
+static int check_for_compaq_ROM(void __iomem *rom_start)
{
u8 temp1, temp2, temp3, temp4, temp5, temp6;
int result = 0;
@@ -160,12 +160,12 @@ static int check_for_compaq_ROM (void __iomem *rom_start)
(temp6 == 'Q')) {
result = 1;
}
- dbg ("%s - returned %d\n", __func__, result);
+ dbg("%s - returned %d\n", __func__, result);
return result;
}
-static u32 access_EV (u16 operation, u8 *ev_name, u8 *buffer, u32 *buf_size)
+static u32 access_EV(u16 operation, u8 *ev_name, u8 *buffer, u32 *buf_size)
{
unsigned long flags;
int op = operation;
@@ -197,7 +197,7 @@ static u32 access_EV (u16 operation, u8 *ev_name, u8 *buffer, u32 *buf_size)
*
* Read the hot plug Resource Table from NVRAM
*/
-static int load_HRT (void __iomem *rom_start)
+static int load_HRT(void __iomem *rom_start)
{
u32 available;
u32 temp_dword;
@@ -232,7 +232,7 @@ static int load_HRT (void __iomem *rom_start)
*
* Save the hot plug Resource Table in NVRAM
*/
-static u32 store_HRT (void __iomem *rom_start)
+static u32 store_HRT(void __iomem *rom_start)
{
u32 *buffer;
u32 *pFill;
@@ -252,7 +252,7 @@ static u32 store_HRT (void __iomem *rom_start)
if (!check_for_compaq_ROM(rom_start))
return(1);
- buffer = (u32*) evbuffer;
+ buffer = (u32 *) evbuffer;
if (!buffer)
return(1);
@@ -306,7 +306,7 @@ static u32 store_HRT (void __iomem *rom_start)
loop = 0;
while (resNode) {
- loop ++;
+ loop++;
/* base */
rc = add_dword(&pFill, resNode->base, &usedbytes, &available);
@@ -331,7 +331,7 @@ static u32 store_HRT (void __iomem *rom_start)
loop = 0;
while (resNode) {
- loop ++;
+ loop++;
/* base */
rc = add_dword(&pFill, resNode->base, &usedbytes, &available);
@@ -356,7 +356,7 @@ static u32 store_HRT (void __iomem *rom_start)
loop = 0;
while (resNode) {
- loop ++;
+ loop++;
/* base */
rc = add_dword(&pFill, resNode->base, &usedbytes, &available);
@@ -381,7 +381,7 @@ static u32 store_HRT (void __iomem *rom_start)
loop = 0;
while (resNode) {
- loop ++;
+ loop++;
/* base */
rc = add_dword(&pFill, resNode->base, &usedbytes, &available);
@@ -408,7 +408,7 @@ static u32 store_HRT (void __iomem *rom_start)
temp_dword = usedbytes;
- rc = access_EV(WRITE_EV, "CQTHPS", (u8*) buffer, &temp_dword);
+ rc = access_EV(WRITE_EV, "CQTHPS", (u8 *) buffer, &temp_dword);
dbg("usedbytes = 0x%x, length = 0x%x\n", usedbytes, temp_dword);
@@ -423,7 +423,7 @@ static u32 store_HRT (void __iomem *rom_start)
}
-void compaq_nvram_init (void __iomem *rom_start)
+void compaq_nvram_init(void __iomem *rom_start)
{
if (rom_start)
compaq_int15_entry_point = (rom_start + ROM_INT15_PHY_ADDR - ROM_PHY_ADDR);
@@ -435,7 +435,7 @@ void compaq_nvram_init (void __iomem *rom_start)
}
-int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl)
+int compaq_nvram_load(void __iomem *rom_start, struct controller *ctrl)
{
u8 bus, device, function;
u8 nummem, numpmem, numio, numbus;
@@ -451,7 +451,7 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl)
if (!evbuffer_init) {
/* Read the resource list information in from NVRAM */
if (load_HRT(rom_start))
- memset (evbuffer, 0, 1024);
+ memset(evbuffer, 0, 1024);
evbuffer_init = 1;
}
@@ -472,7 +472,7 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl)
p_byte += 3;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length))
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length))
return 2;
bus = p_ev_ctrl->bus;
@@ -489,20 +489,20 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl)
p_byte += 4;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length))
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length))
return 2;
/* Skip forward to the next entry */
p_byte += (nummem + numpmem + numio + numbus) * 8;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length))
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length))
return 2;
p_ev_ctrl = (struct ev_hrt_ctrl *) p_byte;
p_byte += 3;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length))
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length))
return 2;
bus = p_ev_ctrl->bus;
@@ -517,7 +517,7 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl)
p_byte += 4;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length))
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length))
return 2;
while (nummem--) {
@@ -526,20 +526,20 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl)
if (!mem_node)
break;
- mem_node->base = *(u32*)p_byte;
- dbg("mem base = %8.8x\n",mem_node->base);
+ mem_node->base = *(u32 *)p_byte;
+ dbg("mem base = %8.8x\n", mem_node->base);
p_byte += 4;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length)) {
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length)) {
kfree(mem_node);
return 2;
}
- mem_node->length = *(u32*)p_byte;
- dbg("mem length = %8.8x\n",mem_node->length);
+ mem_node->length = *(u32 *)p_byte;
+ dbg("mem length = %8.8x\n", mem_node->length);
p_byte += 4;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length)) {
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length)) {
kfree(mem_node);
return 2;
}
@@ -554,20 +554,20 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl)
if (!p_mem_node)
break;
- p_mem_node->base = *(u32*)p_byte;
- dbg("pre-mem base = %8.8x\n",p_mem_node->base);
+ p_mem_node->base = *(u32 *)p_byte;
+ dbg("pre-mem base = %8.8x\n", p_mem_node->base);
p_byte += 4;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length)) {
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length)) {
kfree(p_mem_node);
return 2;
}
- p_mem_node->length = *(u32*)p_byte;
- dbg("pre-mem length = %8.8x\n",p_mem_node->length);
+ p_mem_node->length = *(u32 *)p_byte;
+ dbg("pre-mem length = %8.8x\n", p_mem_node->length);
p_byte += 4;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length)) {
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length)) {
kfree(p_mem_node);
return 2;
}
@@ -582,20 +582,20 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl)
if (!io_node)
break;
- io_node->base = *(u32*)p_byte;
- dbg("io base = %8.8x\n",io_node->base);
+ io_node->base = *(u32 *)p_byte;
+ dbg("io base = %8.8x\n", io_node->base);
p_byte += 4;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length)) {
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length)) {
kfree(io_node);
return 2;
}
- io_node->length = *(u32*)p_byte;
- dbg("io length = %8.8x\n",io_node->length);
+ io_node->length = *(u32 *)p_byte;
+ dbg("io length = %8.8x\n", io_node->length);
p_byte += 4;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length)) {
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length)) {
kfree(io_node);
return 2;
}
@@ -610,18 +610,18 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl)
if (!bus_node)
break;
- bus_node->base = *(u32*)p_byte;
+ bus_node->base = *(u32 *)p_byte;
p_byte += 4;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length)) {
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length)) {
kfree(bus_node);
return 2;
}
- bus_node->length = *(u32*)p_byte;
+ bus_node->length = *(u32 *)p_byte;
p_byte += 4;
- if (p_byte > ((u8*)p_EV_header + evbuffer_length)) {
+ if (p_byte > ((u8 *)p_EV_header + evbuffer_length)) {
kfree(bus_node);
return 2;
}
@@ -650,7 +650,7 @@ int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl)
}
-int compaq_nvram_store (void __iomem *rom_start)
+int compaq_nvram_store(void __iomem *rom_start)
{
int rc = 1;
diff --git a/drivers/pci/hotplug/cpqphp_pci.c b/drivers/pci/hotplug/cpqphp_pci.c
index 1c8c2f130d31..e220d49307bd 100644
--- a/drivers/pci/hotplug/cpqphp_pci.c
+++ b/drivers/pci/hotplug/cpqphp_pci.c
@@ -81,7 +81,7 @@ static void __iomem *detect_HRT_floating_pointer(void __iomem *begin, void __iom
}
-int cpqhp_configure_device (struct controller *ctrl, struct pci_func *func)
+int cpqhp_configure_device(struct controller *ctrl, struct pci_func *func)
{
struct pci_bus *child;
int num;
@@ -89,7 +89,7 @@ int cpqhp_configure_device (struct controller *ctrl, struct pci_func *func)
pci_lock_rescan_remove();
if (func->pci_dev == NULL)
- func->pci_dev = pci_get_bus_and_slot(func->bus,PCI_DEVFN(func->device, func->function));
+ func->pci_dev = pci_get_bus_and_slot(func->bus, PCI_DEVFN(func->device, func->function));
/* No pci device, we need to create it then */
if (func->pci_dev == NULL) {
@@ -128,7 +128,7 @@ int cpqhp_unconfigure_device(struct pci_func *func)
dbg("%s: bus/dev/func = %x/%x/%x\n", __func__, func->bus, func->device, func->function);
pci_lock_rescan_remove();
- for (j=0; j<8 ; j++) {
+ for (j = 0; j < 8 ; j++) {
struct pci_dev *temp = pci_get_bus_and_slot(func->bus, PCI_DEVFN(func->device, j));
if (temp) {
pci_dev_put(temp);
@@ -143,11 +143,11 @@ static int PCI_RefinedAccessConfig(struct pci_bus *bus, unsigned int devfn, u8 o
{
u32 vendID = 0;
- if (pci_bus_read_config_dword (bus, devfn, PCI_VENDOR_ID, &vendID) == -1)
+ if (pci_bus_read_config_dword(bus, devfn, PCI_VENDOR_ID, &vendID) == -1)
return -1;
if (vendID == 0xffffffff)
return -1;
- return pci_bus_read_config_dword (bus, devfn, offset, value);
+ return pci_bus_read_config_dword(bus, devfn, offset, value);
}
@@ -158,7 +158,7 @@ static int PCI_RefinedAccessConfig(struct pci_bus *bus, unsigned int devfn, u8 o
* @dev_num: device number of PCI device
* @slot: pointer to u8 where slot number will be returned
*/
-int cpqhp_set_irq (u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num)
+int cpqhp_set_irq(u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num)
{
int rc = 0;
@@ -230,7 +230,7 @@ static int PCI_ScanBusForNonBridge(struct controller *ctrl, u8 bus_num, u8 *dev_
dbg("Looking for bridge bus_num %d dev_num %d\n", bus_num, tdevice);
/* Yep we got one. bridge ? */
if ((work >> 8) == PCI_TO_PCI_BRIDGE_CLASS) {
- pci_bus_read_config_byte (ctrl->pci_bus, PCI_DEVFN(tdevice, 0), PCI_SECONDARY_BUS, &tbus);
+ pci_bus_read_config_byte(ctrl->pci_bus, PCI_DEVFN(tdevice, 0), PCI_SECONDARY_BUS, &tbus);
/* XXX: no recursion, wtf? */
dbg("Recurse on bus_num %d tdevice %d\n", tbus, tdevice);
return 0;
@@ -257,16 +257,16 @@ static int PCI_GetBusDevHelper(struct controller *ctrl, u8 *bus_num, u8 *dev_num
*bus_num = tbus;
*dev_num = tdevice;
ctrl->pci_bus->number = tbus;
- pci_bus_read_config_dword (ctrl->pci_bus, *dev_num, PCI_VENDOR_ID, &work);
+ pci_bus_read_config_dword(ctrl->pci_bus, *dev_num, PCI_VENDOR_ID, &work);
if (!nobridge || (work == 0xffffffff))
return 0;
dbg("bus_num %d devfn %d\n", *bus_num, *dev_num);
- pci_bus_read_config_dword (ctrl->pci_bus, *dev_num, PCI_CLASS_REVISION, &work);
+ pci_bus_read_config_dword(ctrl->pci_bus, *dev_num, PCI_CLASS_REVISION, &work);
dbg("work >> 8 (%x) = BRIDGE (%x)\n", work >> 8, PCI_TO_PCI_BRIDGE_CLASS);
if ((work >> 8) == PCI_TO_PCI_BRIDGE_CLASS) {
- pci_bus_read_config_byte (ctrl->pci_bus, *dev_num, PCI_SECONDARY_BUS, &tbus);
+ pci_bus_read_config_byte(ctrl->pci_bus, *dev_num, PCI_SECONDARY_BUS, &tbus);
dbg("Scan bus for Non Bridge: bus %d\n", tbus);
if (PCI_ScanBusForNonBridge(ctrl, tbus, dev_num) == 0) {
*bus_num = tbus;
@@ -280,7 +280,7 @@ static int PCI_GetBusDevHelper(struct controller *ctrl, u8 *bus_num, u8 *dev_num
}
-int cpqhp_get_bus_dev (struct controller *ctrl, u8 *bus_num, u8 *dev_num, u8 slot)
+int cpqhp_get_bus_dev(struct controller *ctrl, u8 *bus_num, u8 *dev_num, u8 slot)
{
/* plain (bridges allowed) */
return PCI_GetBusDevHelper(ctrl, bus_num, dev_num, slot, 0);
@@ -419,7 +419,7 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug)
new_slot->pci_dev = pci_get_bus_and_slot(new_slot->bus, (new_slot->device << 3) | new_slot->function);
for (cloop = 0; cloop < 0x20; cloop++) {
- rc = pci_bus_read_config_dword(ctrl->pci_bus, PCI_DEVFN(device, function), cloop << 2, (u32 *) & (new_slot-> config_space [cloop]));
+ rc = pci_bus_read_config_dword(ctrl->pci_bus, PCI_DEVFN(device, function), cloop << 2, (u32 *) &(new_slot->config_space[cloop]));
if (rc)
return rc;
}
@@ -465,7 +465,7 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug)
*
* returns 0 if success
*/
-int cpqhp_save_slot_config (struct controller *ctrl, struct pci_func *new_slot)
+int cpqhp_save_slot_config(struct controller *ctrl, struct pci_func *new_slot)
{
long rc;
u8 class_code;
@@ -481,7 +481,7 @@ int cpqhp_save_slot_config (struct controller *ctrl, struct pci_func *new_slot)
ID = 0xFFFFFFFF;
ctrl->pci_bus->number = new_slot->bus;
- pci_bus_read_config_dword (ctrl->pci_bus, PCI_DEVFN(new_slot->device, 0), PCI_VENDOR_ID, &ID);
+ pci_bus_read_config_dword(ctrl->pci_bus, PCI_DEVFN(new_slot->device, 0), PCI_VENDOR_ID, &ID);
if (ID == 0xFFFFFFFF)
return 2;
@@ -497,7 +497,7 @@ int cpqhp_save_slot_config (struct controller *ctrl, struct pci_func *new_slot)
while (function < max_functions) {
if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
/* Recurse the subordinate bus */
- pci_bus_read_config_byte (ctrl->pci_bus, PCI_DEVFN(new_slot->device, function), PCI_SECONDARY_BUS, &secondary_bus);
+ pci_bus_read_config_byte(ctrl->pci_bus, PCI_DEVFN(new_slot->device, function), PCI_SECONDARY_BUS, &secondary_bus);
sub_bus = (int) secondary_bus;
@@ -514,7 +514,7 @@ int cpqhp_save_slot_config (struct controller *ctrl, struct pci_func *new_slot)
new_slot->status = 0;
for (cloop = 0; cloop < 0x20; cloop++)
- pci_bus_read_config_dword(ctrl->pci_bus, PCI_DEVFN(new_slot->device, function), cloop << 2, (u32 *) & (new_slot-> config_space [cloop]));
+ pci_bus_read_config_dword(ctrl->pci_bus, PCI_DEVFN(new_slot->device, function), cloop << 2, (u32 *) &(new_slot->config_space[cloop]));
function++;
@@ -571,10 +571,10 @@ int cpqhp_save_base_addr_length(struct controller *ctrl, struct pci_func *func)
devfn = PCI_DEVFN(func->device, func->function);
/* Check for Bridge */
- pci_bus_read_config_byte (pci_bus, devfn, PCI_HEADER_TYPE, &header_type);
+ pci_bus_read_config_byte(pci_bus, devfn, PCI_HEADER_TYPE, &header_type);
if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
- pci_bus_read_config_byte (pci_bus, devfn, PCI_SECONDARY_BUS, &secondary_bus);
+ pci_bus_read_config_byte(pci_bus, devfn, PCI_SECONDARY_BUS, &secondary_bus);
sub_bus = (int) secondary_bus;
@@ -595,8 +595,8 @@ int cpqhp_save_base_addr_length(struct controller *ctrl, struct pci_func *func)
*/
for (cloop = 0x10; cloop <= 0x14; cloop += 4) {
temp_register = 0xFFFFFFFF;
- pci_bus_write_config_dword (pci_bus, devfn, cloop, temp_register);
- pci_bus_read_config_dword (pci_bus, devfn, cloop, &base);
+ pci_bus_write_config_dword(pci_bus, devfn, cloop, temp_register);
+ pci_bus_read_config_dword(pci_bus, devfn, cloop, &base);
/* If this register is implemented */
if (base) {
if (base & 0x01L) {
@@ -631,8 +631,8 @@ int cpqhp_save_base_addr_length(struct controller *ctrl, struct pci_func *func)
/* Figure out IO and memory base lengths */
for (cloop = 0x10; cloop <= 0x24; cloop += 4) {
temp_register = 0xFFFFFFFF;
- pci_bus_write_config_dword (pci_bus, devfn, cloop, temp_register);
- pci_bus_read_config_dword (pci_bus, devfn, cloop, &base);
+ pci_bus_write_config_dword(pci_bus, devfn, cloop, temp_register);
+ pci_bus_read_config_dword(pci_bus, devfn, cloop, &base);
/* If this register is implemented */
if (base) {
@@ -686,7 +686,7 @@ int cpqhp_save_base_addr_length(struct controller *ctrl, struct pci_func *func)
*
* returns 0 if success
*/
-int cpqhp_save_used_resources (struct controller *ctrl, struct pci_func *func)
+int cpqhp_save_used_resources(struct controller *ctrl, struct pci_func *func)
{
u8 cloop;
u8 header_type;
@@ -791,7 +791,7 @@ int cpqhp_save_used_resources (struct controller *ctrl, struct pci_func *func)
}
/* Figure out IO and memory base lengths */
for (cloop = 0x10; cloop <= 0x14; cloop += 4) {
- pci_bus_read_config_dword (pci_bus, devfn, cloop, &save_base);
+ pci_bus_read_config_dword(pci_bus, devfn, cloop, &save_base);
temp_register = 0xFFFFFFFF;
pci_bus_write_config_dword(pci_bus, devfn, cloop, temp_register);
@@ -972,13 +972,13 @@ int cpqhp_configure_board(struct controller *ctrl, struct pci_func *func)
* registers are programmed last
*/
for (cloop = 0x3C; cloop > 0; cloop -= 4)
- pci_bus_write_config_dword (pci_bus, devfn, cloop, func->config_space[cloop >> 2]);
+ pci_bus_write_config_dword(pci_bus, devfn, cloop, func->config_space[cloop >> 2]);
- pci_bus_read_config_byte (pci_bus, devfn, PCI_HEADER_TYPE, &header_type);
+ pci_bus_read_config_byte(pci_bus, devfn, PCI_HEADER_TYPE, &header_type);
/* If this is a bridge device, restore subordinate devices */
if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
- pci_bus_read_config_byte (pci_bus, devfn, PCI_SECONDARY_BUS, &secondary_bus);
+ pci_bus_read_config_byte(pci_bus, devfn, PCI_SECONDARY_BUS, &secondary_bus);
sub_bus = (int) secondary_bus;
@@ -998,7 +998,7 @@ int cpqhp_configure_board(struct controller *ctrl, struct pci_func *func)
*/
for (cloop = 16; cloop < 40; cloop += 4) {
- pci_bus_read_config_dword (pci_bus, devfn, cloop, &temp);
+ pci_bus_read_config_dword(pci_bus, devfn, cloop, &temp);
if (temp != func->config_space[cloop >> 2]) {
dbg("Config space compare failure!!! offset = %x\n", cloop);
@@ -1050,7 +1050,7 @@ int cpqhp_valid_replace(struct controller *ctrl, struct pci_func *func)
pci_bus->number = func->bus;
devfn = PCI_DEVFN(func->device, func->function);
- pci_bus_read_config_dword (pci_bus, devfn, PCI_VENDOR_ID, &temp_register);
+ pci_bus_read_config_dword(pci_bus, devfn, PCI_VENDOR_ID, &temp_register);
/* No adapter present */
if (temp_register == 0xFFFFFFFF)
@@ -1060,14 +1060,14 @@ int cpqhp_valid_replace(struct controller *ctrl, struct pci_func *func)
return(ADAPTER_NOT_SAME);
/* Check for same revision number and class code */
- pci_bus_read_config_dword (pci_bus, devfn, PCI_CLASS_REVISION, &temp_register);
+ pci_bus_read_config_dword(pci_bus, devfn, PCI_CLASS_REVISION, &temp_register);
/* Adapter not the same */
if (temp_register != func->config_space[0x08 >> 2])
return(ADAPTER_NOT_SAME);
/* Check for Bridge */
- pci_bus_read_config_byte (pci_bus, devfn, PCI_HEADER_TYPE, &header_type);
+ pci_bus_read_config_byte(pci_bus, devfn, PCI_HEADER_TYPE, &header_type);
if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
/* In order to continue checking, we must program the
@@ -1076,7 +1076,7 @@ int cpqhp_valid_replace(struct controller *ctrl, struct pci_func *func)
*/
temp_register = func->config_space[0x18 >> 2];
- pci_bus_write_config_dword (pci_bus, devfn, PCI_PRIMARY_BUS, temp_register);
+ pci_bus_write_config_dword(pci_bus, devfn, PCI_PRIMARY_BUS, temp_register);
secondary_bus = (temp_register >> 8) & 0xFF;
@@ -1094,7 +1094,7 @@ int cpqhp_valid_replace(struct controller *ctrl, struct pci_func *func)
/* Check to see if it is a standard config header */
else if ((header_type & 0x7F) == PCI_HEADER_TYPE_NORMAL) {
/* Check subsystem vendor and ID */
- pci_bus_read_config_dword (pci_bus, devfn, PCI_SUBSYSTEM_VENDOR_ID, &temp_register);
+ pci_bus_read_config_dword(pci_bus, devfn, PCI_SUBSYSTEM_VENDOR_ID, &temp_register);
if (temp_register != func->config_space[0x2C >> 2]) {
/* If it's a SMART-2 and the register isn't
@@ -1108,8 +1108,8 @@ int cpqhp_valid_replace(struct controller *ctrl, struct pci_func *func)
/* Figure out IO and memory base lengths */
for (cloop = 0x10; cloop <= 0x24; cloop += 4) {
temp_register = 0xFFFFFFFF;
- pci_bus_write_config_dword (pci_bus, devfn, cloop, temp_register);
- pci_bus_read_config_dword (pci_bus, devfn, cloop, &base);
+ pci_bus_write_config_dword(pci_bus, devfn, cloop, temp_register);
+ pci_bus_read_config_dword(pci_bus, devfn, cloop, &base);
/* If this register is implemented */
if (base) {
@@ -1234,7 +1234,7 @@ int cpqhp_find_available_resources(struct controller *ctrl, void __iomem *rom_st
if (rc)
return rc;
- one_slot = rom_resource_table + sizeof (struct hrt);
+ one_slot = rom_resource_table + sizeof(struct hrt);
i = readb(rom_resource_table + NUMBER_OF_ENTRIES);
dbg("number_of_entries = %d\n", i);
@@ -1263,12 +1263,12 @@ int cpqhp_find_available_resources(struct controller *ctrl, void __iomem *rom_st
/* If this entry isn't for our controller's bus, ignore it */
if (primary_bus != ctrl->bus) {
i--;
- one_slot += sizeof (struct slot_rt);
+ one_slot += sizeof(struct slot_rt);
continue;
}
/* find out if this entry is for an occupied slot */
ctrl->pci_bus->number = primary_bus;
- pci_bus_read_config_dword (ctrl->pci_bus, dev_func, PCI_VENDOR_ID, &temp_dword);
+ pci_bus_read_config_dword(ctrl->pci_bus, dev_func, PCI_VENDOR_ID, &temp_dword);
dbg("temp_D_word = %x\n", temp_dword);
if (temp_dword != 0xFFFFFFFF) {
@@ -1283,7 +1283,7 @@ int cpqhp_find_available_resources(struct controller *ctrl, void __iomem *rom_st
/* If we can't find a match, skip this table entry */
if (!func) {
i--;
- one_slot += sizeof (struct slot_rt);
+ one_slot += sizeof(struct slot_rt);
continue;
}
/* this may not work and shouldn't be used */
@@ -1395,7 +1395,7 @@ int cpqhp_find_available_resources(struct controller *ctrl, void __iomem *rom_st
}
i--;
- one_slot += sizeof (struct slot_rt);
+ one_slot += sizeof(struct slot_rt);
}
/* If all of the following fail, we don't have any resources for
@@ -1475,7 +1475,7 @@ int cpqhp_return_board_resources(struct pci_func *func, struct resource_lists *r
*
* Puts node back in the resource list pointed to by head
*/
-void cpqhp_destroy_resource_list (struct resource_lists *resources)
+void cpqhp_destroy_resource_list(struct resource_lists *resources)
{
struct pci_resource *res, *tres;
@@ -1522,7 +1522,7 @@ void cpqhp_destroy_resource_list (struct resource_lists *resources)
*
* Puts node back in the resource list pointed to by head
*/
-void cpqhp_destroy_board_resources (struct pci_func *func)
+void cpqhp_destroy_board_resources(struct pci_func *func)
{
struct pci_resource *res, *tres;
diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c
index d81648f71425..775974deda74 100644
--- a/drivers/pci/hotplug/cpqphp_sysfs.c
+++ b/drivers/pci/hotplug/cpqphp_sysfs.c
@@ -39,7 +39,7 @@
#include "cpqphp.h"
static DEFINE_MUTEX(cpqphp_mutex);
-static int show_ctrl (struct controller *ctrl, char *buf)
+static int show_ctrl(struct controller *ctrl, char *buf)
{
char *out = buf;
int index;
@@ -77,7 +77,7 @@ static int show_ctrl (struct controller *ctrl, char *buf)
return out - buf;
}
-static int show_dev (struct controller *ctrl, char *buf)
+static int show_dev(struct controller *ctrl, char *buf)
{
char *out = buf;
int index;
@@ -119,7 +119,7 @@ static int show_dev (struct controller *ctrl, char *buf)
out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);
res = res->next;
}
- slot=slot->next;
+ slot = slot->next;
}
return out - buf;
diff --git a/drivers/pci/hotplug/ibmphp.h b/drivers/pci/hotplug/ibmphp.h
index e3e46a7b3ee7..d3256838cb05 100644
--- a/drivers/pci/hotplug/ibmphp.h
+++ b/drivers/pci/hotplug/ibmphp.h
@@ -39,11 +39,11 @@ extern int ibmphp_debug;
#else
#define MY_NAME THIS_MODULE->name
#endif
-#define debug(fmt, arg...) do { if (ibmphp_debug == 1) printk(KERN_DEBUG "%s: " fmt , MY_NAME , ## arg); } while (0)
-#define debug_pci(fmt, arg...) do { if (ibmphp_debug) printk(KERN_DEBUG "%s: " fmt , MY_NAME , ## arg); } while (0)
-#define err(format, arg...) printk(KERN_ERR "%s: " format , MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format , MY_NAME , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format , MY_NAME , ## arg)
+#define debug(fmt, arg...) do { if (ibmphp_debug == 1) printk(KERN_DEBUG "%s: " fmt, MY_NAME, ## arg); } while (0)
+#define debug_pci(fmt, arg...) do { if (ibmphp_debug) printk(KERN_DEBUG "%s: " fmt, MY_NAME, ## arg); } while (0)
+#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME, ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)
/* EBDA stuff */
@@ -603,7 +603,7 @@ void ibmphp_hpc_stop_poll_thread(void);
#define SLOT_CONNECT(s) ((u8) ((s & HPC_SLOT_CONNECT) \
? HPC_SLOT_DISCONNECTED : HPC_SLOT_CONNECTED))
-#define SLOT_ATTN(s,es) ((u8) ((es & HPC_SLOT_BLINK_ATTN) \
+#define SLOT_ATTN(s, es) ((u8) ((es & HPC_SLOT_BLINK_ATTN) \
? HPC_SLOT_ATTN_BLINK \
: ((s & HPC_SLOT_ATTN) ? HPC_SLOT_ATTN_ON : HPC_SLOT_ATTN_OFF)))
diff --git a/drivers/pci/hotplug/ibmphp_core.c b/drivers/pci/hotplug/ibmphp_core.c
index 15302475f5b7..5efd01d84498 100644
--- a/drivers/pci/hotplug/ibmphp_core.c
+++ b/drivers/pci/hotplug/ibmphp_core.c
@@ -39,11 +39,11 @@
#include <asm/io_apic.h>
#include "ibmphp.h"
-#define attn_on(sl) ibmphp_hpc_writeslot (sl, HPC_SLOT_ATTNON)
-#define attn_off(sl) ibmphp_hpc_writeslot (sl, HPC_SLOT_ATTNOFF)
-#define attn_LED_blink(sl) ibmphp_hpc_writeslot (sl, HPC_SLOT_BLINKLED)
-#define get_ctrl_revision(sl, rev) ibmphp_hpc_readslot (sl, READ_REVLEVEL, rev)
-#define get_hpc_options(sl, opt) ibmphp_hpc_readslot (sl, READ_HPCOPTIONS, opt)
+#define attn_on(sl) ibmphp_hpc_writeslot(sl, HPC_SLOT_ATTNON)
+#define attn_off(sl) ibmphp_hpc_writeslot(sl, HPC_SLOT_ATTNOFF)
+#define attn_LED_blink(sl) ibmphp_hpc_writeslot(sl, HPC_SLOT_BLINKLED)
+#define get_ctrl_revision(sl, rev) ibmphp_hpc_readslot(sl, READ_REVLEVEL, rev)
+#define get_hpc_options(sl, opt) ibmphp_hpc_readslot(sl, READ_HPCOPTIONS, opt)
#define DRIVER_VERSION "0.6"
#define DRIVER_DESC "IBM Hot Plug PCI Controller Driver"
@@ -52,9 +52,9 @@ int ibmphp_debug;
static bool debug;
module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC (debug, "Debugging mode enabled or not");
-MODULE_LICENSE ("GPL");
-MODULE_DESCRIPTION (DRIVER_DESC);
+MODULE_PARM_DESC(debug, "Debugging mode enabled or not");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION(DRIVER_DESC);
struct pci_bus *ibmphp_pci_bus;
static int max_slots;
@@ -113,14 +113,12 @@ static inline int slot_update(struct slot **sl)
return rc;
}
-static int __init get_max_slots (void)
+static int __init get_max_slots(void)
{
struct slot *slot_cur;
- struct list_head *tmp;
u8 slot_count = 0;
- list_for_each(tmp, &ibmphp_slot_head) {
- slot_cur = list_entry(tmp, struct slot, ibm_slot_list);
+ list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) {
/* sometimes the hot-pluggable slots start with 4 (not always from 1) */
slot_count = max(slot_count, slot_cur->number);
}
@@ -459,7 +457,7 @@ static int get_max_adapter_speed_1(struct hotplug_slot *hotplug_slot, u8 *value,
*value = SLOT_SPEED(myslot.ext_status);
} else
*value = MAX_ADAPTER_NONE;
- }
+ }
}
if (flag)
@@ -501,16 +499,10 @@ static int get_bus_name(struct hotplug_slot *hotplug_slot, char *value)
static int __init init_ops(void)
{
struct slot *slot_cur;
- struct list_head *tmp;
int retval;
int rc;
- list_for_each(tmp, &ibmphp_slot_head) {
- slot_cur = list_entry(tmp, struct slot, ibm_slot_list);
-
- if (!slot_cur)
- return -ENODEV;
-
+ list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) {
debug("BEFORE GETTING SLOT STATUS, slot # %x\n",
slot_cur->number);
if (slot_cur->ctrl->revision == 0xFF)
@@ -620,11 +612,11 @@ int ibmphp_update_slot_info(struct slot *slot_cur)
info->attention_status = SLOT_ATTN(slot_cur->status,
slot_cur->ext_status);
info->latch_status = SLOT_LATCH(slot_cur->status);
- if (!SLOT_PRESENT(slot_cur->status)) {
- info->adapter_status = 0;
+ if (!SLOT_PRESENT(slot_cur->status)) {
+ info->adapter_status = 0;
/* info->max_adapter_speed_status = MAX_ADAPTER_NONE; */
} else {
- info->adapter_status = 1;
+ info->adapter_status = 1;
/* get_max_adapter_speed_1(slot_cur->hotplug_slot,
&info->max_adapter_speed_status, 0); */
}
@@ -669,9 +661,7 @@ static struct pci_func *ibm_slot_find(u8 busno, u8 device, u8 function)
{
struct pci_func *func_cur;
struct slot *slot_cur;
- struct list_head *tmp;
- list_for_each(tmp, &ibmphp_slot_head) {
- slot_cur = list_entry(tmp, struct slot, ibm_slot_list);
+ list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) {
if (slot_cur->func) {
func_cur = slot_cur->func;
while (func_cur) {
@@ -693,14 +683,12 @@ static struct pci_func *ibm_slot_find(u8 busno, u8 device, u8 function)
*************************************************************/
static void free_slots(void)
{
- struct slot *slot_cur;
- struct list_head *tmp;
- struct list_head *next;
+ struct slot *slot_cur, *next;
debug("%s -- enter\n", __func__);
- list_for_each_safe(tmp, next, &ibmphp_slot_head) {
- slot_cur = list_entry(tmp, struct slot, ibm_slot_list);
+ list_for_each_entry_safe(slot_cur, next, &ibmphp_slot_head,
+ ibm_slot_list) {
pci_hp_deregister(slot_cur->hotplug_slot);
}
debug("%s -- exit\n", __func__);
@@ -866,7 +854,7 @@ static int set_bus(struct slot *slot_cur)
int retval;
static struct pci_device_id ciobx[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, 0x0101) },
- { },
+ { },
};
debug("%s - entry slot # %d\n", __func__, slot_cur->number);
@@ -1182,7 +1170,7 @@ error_power:
* HOT REMOVING ADAPTER CARD *
* INPUT: POINTER TO THE HOTPLUG SLOT STRUCTURE *
* OUTPUT: SUCCESS 0 ; FAILURE: UNCONFIGURE , VALIDATE *
- DISABLE POWER , *
+* DISABLE POWER , *
**************************************************************/
static int ibmphp_disable_slot(struct hotplug_slot *hotplug_slot)
{
diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c
index d9b197d5c6b4..43e345ac296b 100644
--- a/drivers/pci/hotplug/ibmphp_ebda.c
+++ b/drivers/pci/hotplug/ibmphp_ebda.c
@@ -49,32 +49,32 @@
*/
/* Global lists */
-LIST_HEAD (ibmphp_ebda_pci_rsrc_head);
-LIST_HEAD (ibmphp_slot_head);
+LIST_HEAD(ibmphp_ebda_pci_rsrc_head);
+LIST_HEAD(ibmphp_slot_head);
/* Local variables */
static struct ebda_hpc_list *hpc_list_ptr;
static struct ebda_rsrc_list *rsrc_list_ptr;
static struct rio_table_hdr *rio_table_ptr = NULL;
-static LIST_HEAD (ebda_hpc_head);
-static LIST_HEAD (bus_info_head);
-static LIST_HEAD (rio_vg_head);
-static LIST_HEAD (rio_lo_head);
-static LIST_HEAD (opt_vg_head);
-static LIST_HEAD (opt_lo_head);
+static LIST_HEAD(ebda_hpc_head);
+static LIST_HEAD(bus_info_head);
+static LIST_HEAD(rio_vg_head);
+static LIST_HEAD(rio_lo_head);
+static LIST_HEAD(opt_vg_head);
+static LIST_HEAD(opt_lo_head);
static void __iomem *io_mem;
/* Local functions */
-static int ebda_rsrc_controller (void);
-static int ebda_rsrc_rsrc (void);
-static int ebda_rio_table (void);
+static int ebda_rsrc_controller(void);
+static int ebda_rsrc_rsrc(void);
+static int ebda_rio_table(void);
-static struct ebda_hpc_list * __init alloc_ebda_hpc_list (void)
+static struct ebda_hpc_list * __init alloc_ebda_hpc_list(void)
{
return kzalloc(sizeof(struct ebda_hpc_list), GFP_KERNEL);
}
-static struct controller *alloc_ebda_hpc (u32 slot_count, u32 bus_count)
+static struct controller *alloc_ebda_hpc(u32 slot_count, u32 bus_count)
{
struct controller *controller;
struct ebda_hpc_slot *slots;
@@ -103,146 +103,146 @@ error:
return NULL;
}
-static void free_ebda_hpc (struct controller *controller)
+static void free_ebda_hpc(struct controller *controller)
{
- kfree (controller->slots);
- kfree (controller->buses);
- kfree (controller);
+ kfree(controller->slots);
+ kfree(controller->buses);
+ kfree(controller);
}
-static struct ebda_rsrc_list * __init alloc_ebda_rsrc_list (void)
+static struct ebda_rsrc_list * __init alloc_ebda_rsrc_list(void)
{
return kzalloc(sizeof(struct ebda_rsrc_list), GFP_KERNEL);
}
-static struct ebda_pci_rsrc *alloc_ebda_pci_rsrc (void)
+static struct ebda_pci_rsrc *alloc_ebda_pci_rsrc(void)
{
return kzalloc(sizeof(struct ebda_pci_rsrc), GFP_KERNEL);
}
-static void __init print_bus_info (void)
+static void __init print_bus_info(void)
{
struct bus_info *ptr;
list_for_each_entry(ptr, &bus_info_head, bus_info_list) {
- debug ("%s - slot_min = %x\n", __func__, ptr->slot_min);
- debug ("%s - slot_max = %x\n", __func__, ptr->slot_max);
- debug ("%s - slot_count = %x\n", __func__, ptr->slot_count);
- debug ("%s - bus# = %x\n", __func__, ptr->busno);
- debug ("%s - current_speed = %x\n", __func__, ptr->current_speed);
- debug ("%s - controller_id = %x\n", __func__, ptr->controller_id);
-
- debug ("%s - slots_at_33_conv = %x\n", __func__, ptr->slots_at_33_conv);
- debug ("%s - slots_at_66_conv = %x\n", __func__, ptr->slots_at_66_conv);
- debug ("%s - slots_at_66_pcix = %x\n", __func__, ptr->slots_at_66_pcix);
- debug ("%s - slots_at_100_pcix = %x\n", __func__, ptr->slots_at_100_pcix);
- debug ("%s - slots_at_133_pcix = %x\n", __func__, ptr->slots_at_133_pcix);
+ debug("%s - slot_min = %x\n", __func__, ptr->slot_min);
+ debug("%s - slot_max = %x\n", __func__, ptr->slot_max);
+ debug("%s - slot_count = %x\n", __func__, ptr->slot_count);
+ debug("%s - bus# = %x\n", __func__, ptr->busno);
+ debug("%s - current_speed = %x\n", __func__, ptr->current_speed);
+ debug("%s - controller_id = %x\n", __func__, ptr->controller_id);
+
+ debug("%s - slots_at_33_conv = %x\n", __func__, ptr->slots_at_33_conv);
+ debug("%s - slots_at_66_conv = %x\n", __func__, ptr->slots_at_66_conv);
+ debug("%s - slots_at_66_pcix = %x\n", __func__, ptr->slots_at_66_pcix);
+ debug("%s - slots_at_100_pcix = %x\n", __func__, ptr->slots_at_100_pcix);
+ debug("%s - slots_at_133_pcix = %x\n", __func__, ptr->slots_at_133_pcix);
}
}
-static void print_lo_info (void)
+static void print_lo_info(void)
{
struct rio_detail *ptr;
- debug ("print_lo_info ----\n");
+ debug("print_lo_info ----\n");
list_for_each_entry(ptr, &rio_lo_head, rio_detail_list) {
- debug ("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id);
- debug ("%s - rio_type = %x\n", __func__, ptr->rio_type);
- debug ("%s - owner_id = %x\n", __func__, ptr->owner_id);
- debug ("%s - first_slot_num = %x\n", __func__, ptr->first_slot_num);
- debug ("%s - wpindex = %x\n", __func__, ptr->wpindex);
- debug ("%s - chassis_num = %x\n", __func__, ptr->chassis_num);
+ debug("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id);
+ debug("%s - rio_type = %x\n", __func__, ptr->rio_type);
+ debug("%s - owner_id = %x\n", __func__, ptr->owner_id);
+ debug("%s - first_slot_num = %x\n", __func__, ptr->first_slot_num);
+ debug("%s - wpindex = %x\n", __func__, ptr->wpindex);
+ debug("%s - chassis_num = %x\n", __func__, ptr->chassis_num);
}
}
-static void print_vg_info (void)
+static void print_vg_info(void)
{
struct rio_detail *ptr;
- debug ("%s ---\n", __func__);
+ debug("%s ---\n", __func__);
list_for_each_entry(ptr, &rio_vg_head, rio_detail_list) {
- debug ("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id);
- debug ("%s - rio_type = %x\n", __func__, ptr->rio_type);
- debug ("%s - owner_id = %x\n", __func__, ptr->owner_id);
- debug ("%s - first_slot_num = %x\n", __func__, ptr->first_slot_num);
- debug ("%s - wpindex = %x\n", __func__, ptr->wpindex);
- debug ("%s - chassis_num = %x\n", __func__, ptr->chassis_num);
+ debug("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id);
+ debug("%s - rio_type = %x\n", __func__, ptr->rio_type);
+ debug("%s - owner_id = %x\n", __func__, ptr->owner_id);
+ debug("%s - first_slot_num = %x\n", __func__, ptr->first_slot_num);
+ debug("%s - wpindex = %x\n", __func__, ptr->wpindex);
+ debug("%s - chassis_num = %x\n", __func__, ptr->chassis_num);
}
}
-static void __init print_ebda_pci_rsrc (void)
+static void __init print_ebda_pci_rsrc(void)
{
struct ebda_pci_rsrc *ptr;
list_for_each_entry(ptr, &ibmphp_ebda_pci_rsrc_head, ebda_pci_rsrc_list) {
- debug ("%s - rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n",
- __func__, ptr->rsrc_type ,ptr->bus_num, ptr->dev_fun,ptr->start_addr, ptr->end_addr);
+ debug("%s - rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n",
+ __func__, ptr->rsrc_type, ptr->bus_num, ptr->dev_fun, ptr->start_addr, ptr->end_addr);
}
}
-static void __init print_ibm_slot (void)
+static void __init print_ibm_slot(void)
{
struct slot *ptr;
list_for_each_entry(ptr, &ibmphp_slot_head, ibm_slot_list) {
- debug ("%s - slot_number: %x\n", __func__, ptr->number);
+ debug("%s - slot_number: %x\n", __func__, ptr->number);
}
}
-static void __init print_opt_vg (void)
+static void __init print_opt_vg(void)
{
struct opt_rio *ptr;
- debug ("%s ---\n", __func__);
+ debug("%s ---\n", __func__);
list_for_each_entry(ptr, &opt_vg_head, opt_rio_list) {
- debug ("%s - rio_type %x\n", __func__, ptr->rio_type);
- debug ("%s - chassis_num: %x\n", __func__, ptr->chassis_num);
- debug ("%s - first_slot_num: %x\n", __func__, ptr->first_slot_num);
- debug ("%s - middle_num: %x\n", __func__, ptr->middle_num);
+ debug("%s - rio_type %x\n", __func__, ptr->rio_type);
+ debug("%s - chassis_num: %x\n", __func__, ptr->chassis_num);
+ debug("%s - first_slot_num: %x\n", __func__, ptr->first_slot_num);
+ debug("%s - middle_num: %x\n", __func__, ptr->middle_num);
}
}
-static void __init print_ebda_hpc (void)
+static void __init print_ebda_hpc(void)
{
struct controller *hpc_ptr;
u16 index;
list_for_each_entry(hpc_ptr, &ebda_hpc_head, ebda_hpc_list) {
for (index = 0; index < hpc_ptr->slot_count; index++) {
- debug ("%s - physical slot#: %x\n", __func__, hpc_ptr->slots[index].slot_num);
- debug ("%s - pci bus# of the slot: %x\n", __func__, hpc_ptr->slots[index].slot_bus_num);
- debug ("%s - index into ctlr addr: %x\n", __func__, hpc_ptr->slots[index].ctl_index);
- debug ("%s - cap of the slot: %x\n", __func__, hpc_ptr->slots[index].slot_cap);
+ debug("%s - physical slot#: %x\n", __func__, hpc_ptr->slots[index].slot_num);
+ debug("%s - pci bus# of the slot: %x\n", __func__, hpc_ptr->slots[index].slot_bus_num);
+ debug("%s - index into ctlr addr: %x\n", __func__, hpc_ptr->slots[index].ctl_index);
+ debug("%s - cap of the slot: %x\n", __func__, hpc_ptr->slots[index].slot_cap);
}
for (index = 0; index < hpc_ptr->bus_count; index++)
- debug ("%s - bus# of each bus controlled by this ctlr: %x\n", __func__, hpc_ptr->buses[index].bus_num);
+ debug("%s - bus# of each bus controlled by this ctlr: %x\n", __func__, hpc_ptr->buses[index].bus_num);
- debug ("%s - type of hpc: %x\n", __func__, hpc_ptr->ctlr_type);
+ debug("%s - type of hpc: %x\n", __func__, hpc_ptr->ctlr_type);
switch (hpc_ptr->ctlr_type) {
case 1:
- debug ("%s - bus: %x\n", __func__, hpc_ptr->u.pci_ctlr.bus);
- debug ("%s - dev_fun: %x\n", __func__, hpc_ptr->u.pci_ctlr.dev_fun);
- debug ("%s - irq: %x\n", __func__, hpc_ptr->irq);
+ debug("%s - bus: %x\n", __func__, hpc_ptr->u.pci_ctlr.bus);
+ debug("%s - dev_fun: %x\n", __func__, hpc_ptr->u.pci_ctlr.dev_fun);
+ debug("%s - irq: %x\n", __func__, hpc_ptr->irq);
break;
case 0:
- debug ("%s - io_start: %x\n", __func__, hpc_ptr->u.isa_ctlr.io_start);
- debug ("%s - io_end: %x\n", __func__, hpc_ptr->u.isa_ctlr.io_end);
- debug ("%s - irq: %x\n", __func__, hpc_ptr->irq);
+ debug("%s - io_start: %x\n", __func__, hpc_ptr->u.isa_ctlr.io_start);
+ debug("%s - io_end: %x\n", __func__, hpc_ptr->u.isa_ctlr.io_end);
+ debug("%s - irq: %x\n", __func__, hpc_ptr->irq);
break;
case 2:
case 4:
- debug ("%s - wpegbbar: %lx\n", __func__, hpc_ptr->u.wpeg_ctlr.wpegbbar);
- debug ("%s - i2c_addr: %x\n", __func__, hpc_ptr->u.wpeg_ctlr.i2c_addr);
- debug ("%s - irq: %x\n", __func__, hpc_ptr->irq);
+ debug("%s - wpegbbar: %lx\n", __func__, hpc_ptr->u.wpeg_ctlr.wpegbbar);
+ debug("%s - i2c_addr: %x\n", __func__, hpc_ptr->u.wpeg_ctlr.i2c_addr);
+ debug("%s - irq: %x\n", __func__, hpc_ptr->irq);
break;
}
}
}
-int __init ibmphp_access_ebda (void)
+int __init ibmphp_access_ebda(void)
{
u8 format, num_ctlrs, rio_complete, hs_complete, ebda_sz;
u16 ebda_seg, num_entries, next_offset, offset, blk_id, sub_addr, re, rc_id, re_id, base;
@@ -252,12 +252,12 @@ int __init ibmphp_access_ebda (void)
rio_complete = 0;
hs_complete = 0;
- io_mem = ioremap ((0x40 << 4) + 0x0e, 2);
- if (!io_mem )
+ io_mem = ioremap((0x40 << 4) + 0x0e, 2);
+ if (!io_mem)
return -ENOMEM;
- ebda_seg = readw (io_mem);
- iounmap (io_mem);
- debug ("returned ebda segment: %x\n", ebda_seg);
+ ebda_seg = readw(io_mem);
+ iounmap(io_mem);
+ debug("returned ebda segment: %x\n", ebda_seg);
io_mem = ioremap(ebda_seg<<4, 1);
if (!io_mem)
@@ -269,7 +269,7 @@ int __init ibmphp_access_ebda (void)
return -ENOMEM;
io_mem = ioremap(ebda_seg<<4, (ebda_sz * 1024));
- if (!io_mem )
+ if (!io_mem)
return -ENOMEM;
next_offset = 0x180;
@@ -281,12 +281,12 @@ int __init ibmphp_access_ebda (void)
"ibmphp_ebda: next read is beyond ebda_sz\n"))
break;
- next_offset = readw (io_mem + offset); /* offset of next blk */
+ next_offset = readw(io_mem + offset); /* offset of next blk */
offset += 2;
if (next_offset == 0) /* 0 indicate it's last blk */
break;
- blk_id = readw (io_mem + offset); /* this blk id */
+ blk_id = readw(io_mem + offset); /* this blk id */
offset += 2;
/* check if it is hot swap block or rio block */
@@ -294,31 +294,31 @@ int __init ibmphp_access_ebda (void)
continue;
/* found hs table */
if (blk_id == 0x4853) {
- debug ("now enter hot swap block---\n");
- debug ("hot blk id: %x\n", blk_id);
- format = readb (io_mem + offset);
+ debug("now enter hot swap block---\n");
+ debug("hot blk id: %x\n", blk_id);
+ format = readb(io_mem + offset);
offset += 1;
if (format != 4)
goto error_nodev;
- debug ("hot blk format: %x\n", format);
+ debug("hot blk format: %x\n", format);
/* hot swap sub blk */
base = offset;
sub_addr = base;
- re = readw (io_mem + sub_addr); /* next sub blk */
+ re = readw(io_mem + sub_addr); /* next sub blk */
sub_addr += 2;
- rc_id = readw (io_mem + sub_addr); /* sub blk id */
+ rc_id = readw(io_mem + sub_addr); /* sub blk id */
sub_addr += 2;
if (rc_id != 0x5243)
goto error_nodev;
/* rc sub blk signature */
- num_ctlrs = readb (io_mem + sub_addr);
+ num_ctlrs = readb(io_mem + sub_addr);
sub_addr += 1;
- hpc_list_ptr = alloc_ebda_hpc_list ();
+ hpc_list_ptr = alloc_ebda_hpc_list();
if (!hpc_list_ptr) {
rc = -ENOMEM;
goto out;
@@ -326,28 +326,28 @@ int __init ibmphp_access_ebda (void)
hpc_list_ptr->format = format;
hpc_list_ptr->num_ctlrs = num_ctlrs;
hpc_list_ptr->phys_addr = sub_addr; /* offset of RSRC_CONTROLLER blk */
- debug ("info about hpc descriptor---\n");
- debug ("hot blk format: %x\n", format);
- debug ("num of controller: %x\n", num_ctlrs);
- debug ("offset of hpc data structure entries: %x\n ", sub_addr);
+ debug("info about hpc descriptor---\n");
+ debug("hot blk format: %x\n", format);
+ debug("num of controller: %x\n", num_ctlrs);
+ debug("offset of hpc data structure entries: %x\n ", sub_addr);
sub_addr = base + re; /* re sub blk */
/* FIXME: rc is never used/checked */
- rc = readw (io_mem + sub_addr); /* next sub blk */
+ rc = readw(io_mem + sub_addr); /* next sub blk */
sub_addr += 2;
- re_id = readw (io_mem + sub_addr); /* sub blk id */
+ re_id = readw(io_mem + sub_addr); /* sub blk id */
sub_addr += 2;
if (re_id != 0x5245)
goto error_nodev;
/* signature of re */
- num_entries = readw (io_mem + sub_addr);
+ num_entries = readw(io_mem + sub_addr);
sub_addr += 2; /* offset of RSRC_ENTRIES blk */
- rsrc_list_ptr = alloc_ebda_rsrc_list ();
- if (!rsrc_list_ptr ) {
+ rsrc_list_ptr = alloc_ebda_rsrc_list();
+ if (!rsrc_list_ptr) {
rc = -ENOMEM;
goto out;
}
@@ -355,26 +355,26 @@ int __init ibmphp_access_ebda (void)
rsrc_list_ptr->num_entries = num_entries;
rsrc_list_ptr->phys_addr = sub_addr;
- debug ("info about rsrc descriptor---\n");
- debug ("format: %x\n", format);
- debug ("num of rsrc: %x\n", num_entries);
- debug ("offset of rsrc data structure entries: %x\n ", sub_addr);
+ debug("info about rsrc descriptor---\n");
+ debug("format: %x\n", format);
+ debug("num of rsrc: %x\n", num_entries);
+ debug("offset of rsrc data structure entries: %x\n ", sub_addr);
hs_complete = 1;
} else {
/* found rio table, blk_id == 0x4752 */
- debug ("now enter io table ---\n");
- debug ("rio blk id: %x\n", blk_id);
+ debug("now enter io table ---\n");
+ debug("rio blk id: %x\n", blk_id);
rio_table_ptr = kzalloc(sizeof(struct rio_table_hdr), GFP_KERNEL);
if (!rio_table_ptr) {
rc = -ENOMEM;
goto out;
}
- rio_table_ptr->ver_num = readb (io_mem + offset);
- rio_table_ptr->scal_count = readb (io_mem + offset + 1);
- rio_table_ptr->riodev_count = readb (io_mem + offset + 2);
- rio_table_ptr->offset = offset +3 ;
+ rio_table_ptr->ver_num = readb(io_mem + offset);
+ rio_table_ptr->scal_count = readb(io_mem + offset + 1);
+ rio_table_ptr->riodev_count = readb(io_mem + offset + 2);
+ rio_table_ptr->offset = offset + 3 ;
debug("info about rio table hdr ---\n");
debug("ver_num: %x\nscal_count: %x\nriodev_count: %x\noffset of rio table: %x\n ",
@@ -390,28 +390,28 @@ int __init ibmphp_access_ebda (void)
if (rio_table_ptr) {
if (rio_complete && rio_table_ptr->ver_num == 3) {
- rc = ebda_rio_table ();
+ rc = ebda_rio_table();
if (rc)
goto out;
}
}
- rc = ebda_rsrc_controller ();
+ rc = ebda_rsrc_controller();
if (rc)
goto out;
- rc = ebda_rsrc_rsrc ();
+ rc = ebda_rsrc_rsrc();
goto out;
error_nodev:
rc = -ENODEV;
out:
- iounmap (io_mem);
+ iounmap(io_mem);
return rc;
}
/*
* map info of scalability details and rio details from physical address
*/
-static int __init ebda_rio_table (void)
+static int __init ebda_rio_table(void)
{
u16 offset;
u8 i;
@@ -425,39 +425,39 @@ static int __init ebda_rio_table (void)
rio_detail_ptr = kzalloc(sizeof(struct rio_detail), GFP_KERNEL);
if (!rio_detail_ptr)
return -ENOMEM;
- rio_detail_ptr->rio_node_id = readb (io_mem + offset);
- rio_detail_ptr->bbar = readl (io_mem + offset + 1);
- rio_detail_ptr->rio_type = readb (io_mem + offset + 5);
- rio_detail_ptr->owner_id = readb (io_mem + offset + 6);
- rio_detail_ptr->port0_node_connect = readb (io_mem + offset + 7);
- rio_detail_ptr->port0_port_connect = readb (io_mem + offset + 8);
- rio_detail_ptr->port1_node_connect = readb (io_mem + offset + 9);
- rio_detail_ptr->port1_port_connect = readb (io_mem + offset + 10);
- rio_detail_ptr->first_slot_num = readb (io_mem + offset + 11);
- rio_detail_ptr->status = readb (io_mem + offset + 12);
- rio_detail_ptr->wpindex = readb (io_mem + offset + 13);
- rio_detail_ptr->chassis_num = readb (io_mem + offset + 14);
-// debug ("rio_node_id: %x\nbbar: %x\nrio_type: %x\nowner_id: %x\nport0_node: %x\nport0_port: %x\nport1_node: %x\nport1_port: %x\nfirst_slot_num: %x\nstatus: %x\n", rio_detail_ptr->rio_node_id, rio_detail_ptr->bbar, rio_detail_ptr->rio_type, rio_detail_ptr->owner_id, rio_detail_ptr->port0_node_connect, rio_detail_ptr->port0_port_connect, rio_detail_ptr->port1_node_connect, rio_detail_ptr->port1_port_connect, rio_detail_ptr->first_slot_num, rio_detail_ptr->status);
+ rio_detail_ptr->rio_node_id = readb(io_mem + offset);
+ rio_detail_ptr->bbar = readl(io_mem + offset + 1);
+ rio_detail_ptr->rio_type = readb(io_mem + offset + 5);
+ rio_detail_ptr->owner_id = readb(io_mem + offset + 6);
+ rio_detail_ptr->port0_node_connect = readb(io_mem + offset + 7);
+ rio_detail_ptr->port0_port_connect = readb(io_mem + offset + 8);
+ rio_detail_ptr->port1_node_connect = readb(io_mem + offset + 9);
+ rio_detail_ptr->port1_port_connect = readb(io_mem + offset + 10);
+ rio_detail_ptr->first_slot_num = readb(io_mem + offset + 11);
+ rio_detail_ptr->status = readb(io_mem + offset + 12);
+ rio_detail_ptr->wpindex = readb(io_mem + offset + 13);
+ rio_detail_ptr->chassis_num = readb(io_mem + offset + 14);
+// debug("rio_node_id: %x\nbbar: %x\nrio_type: %x\nowner_id: %x\nport0_node: %x\nport0_port: %x\nport1_node: %x\nport1_port: %x\nfirst_slot_num: %x\nstatus: %x\n", rio_detail_ptr->rio_node_id, rio_detail_ptr->bbar, rio_detail_ptr->rio_type, rio_detail_ptr->owner_id, rio_detail_ptr->port0_node_connect, rio_detail_ptr->port0_port_connect, rio_detail_ptr->port1_node_connect, rio_detail_ptr->port1_port_connect, rio_detail_ptr->first_slot_num, rio_detail_ptr->status);
//create linked list of chassis
if (rio_detail_ptr->rio_type == 4 || rio_detail_ptr->rio_type == 5)
- list_add (&rio_detail_ptr->rio_detail_list, &rio_vg_head);
+ list_add(&rio_detail_ptr->rio_detail_list, &rio_vg_head);
//create linked list of expansion box
else if (rio_detail_ptr->rio_type == 6 || rio_detail_ptr->rio_type == 7)
- list_add (&rio_detail_ptr->rio_detail_list, &rio_lo_head);
+ list_add(&rio_detail_ptr->rio_detail_list, &rio_lo_head);
else
// not in my concern
- kfree (rio_detail_ptr);
+ kfree(rio_detail_ptr);
offset += 15;
}
- print_lo_info ();
- print_vg_info ();
+ print_lo_info();
+ print_vg_info();
return 0;
}
/*
* reorganizing linked list of chassis
*/
-static struct opt_rio *search_opt_vg (u8 chassis_num)
+static struct opt_rio *search_opt_vg(u8 chassis_num)
{
struct opt_rio *ptr;
list_for_each_entry(ptr, &opt_vg_head, opt_rio_list) {
@@ -467,13 +467,13 @@ static struct opt_rio *search_opt_vg (u8 chassis_num)
return NULL;
}
-static int __init combine_wpg_for_chassis (void)
+static int __init combine_wpg_for_chassis(void)
{
struct opt_rio *opt_rio_ptr = NULL;
struct rio_detail *rio_detail_ptr = NULL;
list_for_each_entry(rio_detail_ptr, &rio_vg_head, rio_detail_list) {
- opt_rio_ptr = search_opt_vg (rio_detail_ptr->chassis_num);
+ opt_rio_ptr = search_opt_vg(rio_detail_ptr->chassis_num);
if (!opt_rio_ptr) {
opt_rio_ptr = kzalloc(sizeof(struct opt_rio), GFP_KERNEL);
if (!opt_rio_ptr)
@@ -482,20 +482,20 @@ static int __init combine_wpg_for_chassis (void)
opt_rio_ptr->chassis_num = rio_detail_ptr->chassis_num;
opt_rio_ptr->first_slot_num = rio_detail_ptr->first_slot_num;
opt_rio_ptr->middle_num = rio_detail_ptr->first_slot_num;
- list_add (&opt_rio_ptr->opt_rio_list, &opt_vg_head);
+ list_add(&opt_rio_ptr->opt_rio_list, &opt_vg_head);
} else {
- opt_rio_ptr->first_slot_num = min (opt_rio_ptr->first_slot_num, rio_detail_ptr->first_slot_num);
- opt_rio_ptr->middle_num = max (opt_rio_ptr->middle_num, rio_detail_ptr->first_slot_num);
+ opt_rio_ptr->first_slot_num = min(opt_rio_ptr->first_slot_num, rio_detail_ptr->first_slot_num);
+ opt_rio_ptr->middle_num = max(opt_rio_ptr->middle_num, rio_detail_ptr->first_slot_num);
}
}
- print_opt_vg ();
+ print_opt_vg();
return 0;
}
/*
* reorganizing linked list of expansion box
*/
-static struct opt_rio_lo *search_opt_lo (u8 chassis_num)
+static struct opt_rio_lo *search_opt_lo(u8 chassis_num)
{
struct opt_rio_lo *ptr;
list_for_each_entry(ptr, &opt_lo_head, opt_rio_lo_list) {
@@ -505,13 +505,13 @@ static struct opt_rio_lo *search_opt_lo (u8 chassis_num)
return NULL;
}
-static int combine_wpg_for_expansion (void)
+static int combine_wpg_for_expansion(void)
{
struct opt_rio_lo *opt_rio_lo_ptr = NULL;
struct rio_detail *rio_detail_ptr = NULL;
list_for_each_entry(rio_detail_ptr, &rio_lo_head, rio_detail_list) {
- opt_rio_lo_ptr = search_opt_lo (rio_detail_ptr->chassis_num);
+ opt_rio_lo_ptr = search_opt_lo(rio_detail_ptr->chassis_num);
if (!opt_rio_lo_ptr) {
opt_rio_lo_ptr = kzalloc(sizeof(struct opt_rio_lo), GFP_KERNEL);
if (!opt_rio_lo_ptr)
@@ -522,10 +522,10 @@ static int combine_wpg_for_expansion (void)
opt_rio_lo_ptr->middle_num = rio_detail_ptr->first_slot_num;
opt_rio_lo_ptr->pack_count = 1;
- list_add (&opt_rio_lo_ptr->opt_rio_lo_list, &opt_lo_head);
+ list_add(&opt_rio_lo_ptr->opt_rio_lo_list, &opt_lo_head);
} else {
- opt_rio_lo_ptr->first_slot_num = min (opt_rio_lo_ptr->first_slot_num, rio_detail_ptr->first_slot_num);
- opt_rio_lo_ptr->middle_num = max (opt_rio_lo_ptr->middle_num, rio_detail_ptr->first_slot_num);
+ opt_rio_lo_ptr->first_slot_num = min(opt_rio_lo_ptr->first_slot_num, rio_detail_ptr->first_slot_num);
+ opt_rio_lo_ptr->middle_num = max(opt_rio_lo_ptr->middle_num, rio_detail_ptr->first_slot_num);
opt_rio_lo_ptr->pack_count = 2;
}
}
@@ -538,7 +538,7 @@ static int combine_wpg_for_expansion (void)
* Arguments: slot_num, 1st slot number of the chassis we think we are on,
* var (0 = chassis, 1 = expansion box)
*/
-static int first_slot_num (u8 slot_num, u8 first_slot, u8 var)
+static int first_slot_num(u8 slot_num, u8 first_slot, u8 var)
{
struct opt_rio *opt_vg_ptr = NULL;
struct opt_rio_lo *opt_lo_ptr = NULL;
@@ -562,25 +562,25 @@ static int first_slot_num (u8 slot_num, u8 first_slot, u8 var)
return rc;
}
-static struct opt_rio_lo *find_rxe_num (u8 slot_num)
+static struct opt_rio_lo *find_rxe_num(u8 slot_num)
{
struct opt_rio_lo *opt_lo_ptr;
list_for_each_entry(opt_lo_ptr, &opt_lo_head, opt_rio_lo_list) {
//check to see if this slot_num belongs to expansion box
- if ((slot_num >= opt_lo_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_lo_ptr->first_slot_num, 1)))
+ if ((slot_num >= opt_lo_ptr->first_slot_num) && (!first_slot_num(slot_num, opt_lo_ptr->first_slot_num, 1)))
return opt_lo_ptr;
}
return NULL;
}
-static struct opt_rio *find_chassis_num (u8 slot_num)
+static struct opt_rio *find_chassis_num(u8 slot_num)
{
struct opt_rio *opt_vg_ptr;
list_for_each_entry(opt_vg_ptr, &opt_vg_head, opt_rio_list) {
//check to see if this slot_num belongs to chassis
- if ((slot_num >= opt_vg_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_vg_ptr->first_slot_num, 0)))
+ if ((slot_num >= opt_vg_ptr->first_slot_num) && (!first_slot_num(slot_num, opt_vg_ptr->first_slot_num, 0)))
return opt_vg_ptr;
}
return NULL;
@@ -589,7 +589,7 @@ static struct opt_rio *find_chassis_num (u8 slot_num)
/* This routine will find out how many slots are in the chassis, so that
* the slot numbers for rxe100 would start from 1, and not from 7, or 6 etc
*/
-static u8 calculate_first_slot (u8 slot_num)
+static u8 calculate_first_slot(u8 slot_num)
{
u8 first_slot = 1;
struct slot *slot_cur;
@@ -606,7 +606,7 @@ static u8 calculate_first_slot (u8 slot_num)
#define SLOT_NAME_SIZE 30
-static char *create_file_name (struct slot *slot_cur)
+static char *create_file_name(struct slot *slot_cur)
{
struct opt_rio *opt_vg_ptr = NULL;
struct opt_rio_lo *opt_lo_ptr = NULL;
@@ -618,18 +618,18 @@ static char *create_file_name (struct slot *slot_cur)
u8 flag = 0;
if (!slot_cur) {
- err ("Structure passed is empty\n");
+ err("Structure passed is empty\n");
return NULL;
}
slot_num = slot_cur->number;
- memset (str, 0, sizeof(str));
+ memset(str, 0, sizeof(str));
if (rio_table_ptr) {
if (rio_table_ptr->ver_num == 3) {
- opt_vg_ptr = find_chassis_num (slot_num);
- opt_lo_ptr = find_rxe_num (slot_num);
+ opt_vg_ptr = find_chassis_num(slot_num);
+ opt_lo_ptr = find_rxe_num(slot_num);
}
}
if (opt_vg_ptr) {
@@ -662,7 +662,7 @@ static char *create_file_name (struct slot *slot_cur)
}
if (!flag) {
if (slot_cur->ctrl->ctlr_type == 4) {
- first_slot = calculate_first_slot (slot_num);
+ first_slot = calculate_first_slot(slot_num);
which = 1;
} else {
which = 0;
@@ -698,7 +698,7 @@ static int fillslotinfo(struct hotplug_slot *hotplug_slot)
hotplug_slot->info->latch_status = SLOT_LATCH(slot->status);
// pci board - present:1 not:0
- if (SLOT_PRESENT (slot->status))
+ if (SLOT_PRESENT(slot->status))
hotplug_slot->info->adapter_status = 1;
else
hotplug_slot->info->adapter_status = 0;
@@ -729,7 +729,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
/* we don't want to actually remove the resources, since free_resources will do just that */
ibmphp_unconfigure_card(&slot, -1);
- kfree (slot);
+ kfree(slot);
}
static struct pci_driver ibmphp_driver;
@@ -739,7 +739,7 @@ static struct pci_driver ibmphp_driver;
* each hpc from physical address to a list of hot plug controllers based on
* hpc descriptors.
*/
-static int __init ebda_rsrc_controller (void)
+static int __init ebda_rsrc_controller(void)
{
u16 addr, addr_slot, addr_bus;
u8 ctlr_id, temp, bus_index;
@@ -757,25 +757,25 @@ static int __init ebda_rsrc_controller (void)
addr = hpc_list_ptr->phys_addr;
for (ctlr = 0; ctlr < hpc_list_ptr->num_ctlrs; ctlr++) {
bus_index = 1;
- ctlr_id = readb (io_mem + addr);
+ ctlr_id = readb(io_mem + addr);
addr += 1;
- slot_num = readb (io_mem + addr);
+ slot_num = readb(io_mem + addr);
addr += 1;
addr_slot = addr; /* offset of slot structure */
addr += (slot_num * 4);
- bus_num = readb (io_mem + addr);
+ bus_num = readb(io_mem + addr);
addr += 1;
addr_bus = addr; /* offset of bus */
addr += (bus_num * 9); /* offset of ctlr_type */
- temp = readb (io_mem + addr);
+ temp = readb(io_mem + addr);
addr += 1;
/* init hpc structure */
- hpc_ptr = alloc_ebda_hpc (slot_num, bus_num);
- if (!hpc_ptr ) {
+ hpc_ptr = alloc_ebda_hpc(slot_num, bus_num);
+ if (!hpc_ptr) {
rc = -ENOMEM;
goto error_no_hpc;
}
@@ -783,23 +783,23 @@ static int __init ebda_rsrc_controller (void)
hpc_ptr->ctlr_relative_id = ctlr;
hpc_ptr->slot_count = slot_num;
hpc_ptr->bus_count = bus_num;
- debug ("now enter ctlr data structure ---\n");
- debug ("ctlr id: %x\n", ctlr_id);
- debug ("ctlr_relative_id: %x\n", hpc_ptr->ctlr_relative_id);
- debug ("count of slots controlled by this ctlr: %x\n", slot_num);
- debug ("count of buses controlled by this ctlr: %x\n", bus_num);
+ debug("now enter ctlr data structure ---\n");
+ debug("ctlr id: %x\n", ctlr_id);
+ debug("ctlr_relative_id: %x\n", hpc_ptr->ctlr_relative_id);
+ debug("count of slots controlled by this ctlr: %x\n", slot_num);
+ debug("count of buses controlled by this ctlr: %x\n", bus_num);
/* init slot structure, fetch slot, bus, cap... */
slot_ptr = hpc_ptr->slots;
for (slot = 0; slot < slot_num; slot++) {
- slot_ptr->slot_num = readb (io_mem + addr_slot);
- slot_ptr->slot_bus_num = readb (io_mem + addr_slot + slot_num);
- slot_ptr->ctl_index = readb (io_mem + addr_slot + 2*slot_num);
- slot_ptr->slot_cap = readb (io_mem + addr_slot + 3*slot_num);
+ slot_ptr->slot_num = readb(io_mem + addr_slot);
+ slot_ptr->slot_bus_num = readb(io_mem + addr_slot + slot_num);
+ slot_ptr->ctl_index = readb(io_mem + addr_slot + 2*slot_num);
+ slot_ptr->slot_cap = readb(io_mem + addr_slot + 3*slot_num);
// create bus_info lined list --- if only one slot per bus: slot_min = slot_max
- bus_info_ptr2 = ibmphp_find_same_bus_num (slot_ptr->slot_bus_num);
+ bus_info_ptr2 = ibmphp_find_same_bus_num(slot_ptr->slot_bus_num);
if (!bus_info_ptr2) {
bus_info_ptr1 = kzalloc(sizeof(struct bus_info), GFP_KERNEL);
if (!bus_info_ptr1) {
@@ -816,11 +816,11 @@ static int __init ebda_rsrc_controller (void)
bus_info_ptr1->controller_id = hpc_ptr->ctlr_id;
- list_add_tail (&bus_info_ptr1->bus_info_list, &bus_info_head);
+ list_add_tail(&bus_info_ptr1->bus_info_list, &bus_info_head);
} else {
- bus_info_ptr2->slot_min = min (bus_info_ptr2->slot_min, slot_ptr->slot_num);
- bus_info_ptr2->slot_max = max (bus_info_ptr2->slot_max, slot_ptr->slot_num);
+ bus_info_ptr2->slot_min = min(bus_info_ptr2->slot_min, slot_ptr->slot_num);
+ bus_info_ptr2->slot_max = max(bus_info_ptr2->slot_max, slot_ptr->slot_num);
bus_info_ptr2->slot_count += 1;
}
@@ -834,17 +834,17 @@ static int __init ebda_rsrc_controller (void)
/* init bus structure */
bus_ptr = hpc_ptr->buses;
for (bus = 0; bus < bus_num; bus++) {
- bus_ptr->bus_num = readb (io_mem + addr_bus + bus);
- bus_ptr->slots_at_33_conv = readb (io_mem + addr_bus + bus_num + 8 * bus);
- bus_ptr->slots_at_66_conv = readb (io_mem + addr_bus + bus_num + 8 * bus + 1);
+ bus_ptr->bus_num = readb(io_mem + addr_bus + bus);
+ bus_ptr->slots_at_33_conv = readb(io_mem + addr_bus + bus_num + 8 * bus);
+ bus_ptr->slots_at_66_conv = readb(io_mem + addr_bus + bus_num + 8 * bus + 1);
- bus_ptr->slots_at_66_pcix = readb (io_mem + addr_bus + bus_num + 8 * bus + 2);
+ bus_ptr->slots_at_66_pcix = readb(io_mem + addr_bus + bus_num + 8 * bus + 2);
- bus_ptr->slots_at_100_pcix = readb (io_mem + addr_bus + bus_num + 8 * bus + 3);
+ bus_ptr->slots_at_100_pcix = readb(io_mem + addr_bus + bus_num + 8 * bus + 3);
- bus_ptr->slots_at_133_pcix = readb (io_mem + addr_bus + bus_num + 8 * bus + 4);
+ bus_ptr->slots_at_133_pcix = readb(io_mem + addr_bus + bus_num + 8 * bus + 4);
- bus_info_ptr2 = ibmphp_find_same_bus_num (bus_ptr->bus_num);
+ bus_info_ptr2 = ibmphp_find_same_bus_num(bus_ptr->bus_num);
if (bus_info_ptr2) {
bus_info_ptr2->slots_at_33_conv = bus_ptr->slots_at_33_conv;
bus_info_ptr2->slots_at_66_conv = bus_ptr->slots_at_66_conv;
@@ -859,33 +859,33 @@ static int __init ebda_rsrc_controller (void)
switch (hpc_ptr->ctlr_type) {
case 1:
- hpc_ptr->u.pci_ctlr.bus = readb (io_mem + addr);
- hpc_ptr->u.pci_ctlr.dev_fun = readb (io_mem + addr + 1);
- hpc_ptr->irq = readb (io_mem + addr + 2);
+ hpc_ptr->u.pci_ctlr.bus = readb(io_mem + addr);
+ hpc_ptr->u.pci_ctlr.dev_fun = readb(io_mem + addr + 1);
+ hpc_ptr->irq = readb(io_mem + addr + 2);
addr += 3;
- debug ("ctrl bus = %x, ctlr devfun = %x, irq = %x\n",
+ debug("ctrl bus = %x, ctlr devfun = %x, irq = %x\n",
hpc_ptr->u.pci_ctlr.bus,
hpc_ptr->u.pci_ctlr.dev_fun, hpc_ptr->irq);
break;
case 0:
- hpc_ptr->u.isa_ctlr.io_start = readw (io_mem + addr);
- hpc_ptr->u.isa_ctlr.io_end = readw (io_mem + addr + 2);
- if (!request_region (hpc_ptr->u.isa_ctlr.io_start,
+ hpc_ptr->u.isa_ctlr.io_start = readw(io_mem + addr);
+ hpc_ptr->u.isa_ctlr.io_end = readw(io_mem + addr + 2);
+ if (!request_region(hpc_ptr->u.isa_ctlr.io_start,
(hpc_ptr->u.isa_ctlr.io_end - hpc_ptr->u.isa_ctlr.io_start + 1),
"ibmphp")) {
rc = -ENODEV;
goto error_no_hp_slot;
}
- hpc_ptr->irq = readb (io_mem + addr + 4);
+ hpc_ptr->irq = readb(io_mem + addr + 4);
addr += 5;
break;
case 2:
case 4:
- hpc_ptr->u.wpeg_ctlr.wpegbbar = readl (io_mem + addr);
- hpc_ptr->u.wpeg_ctlr.i2c_addr = readb (io_mem + addr + 4);
- hpc_ptr->irq = readb (io_mem + addr + 5);
+ hpc_ptr->u.wpeg_ctlr.wpegbbar = readl(io_mem + addr);
+ hpc_ptr->u.wpeg_ctlr.i2c_addr = readb(io_mem + addr + 4);
+ hpc_ptr->irq = readb(io_mem + addr + 5);
addr += 6;
break;
default:
@@ -894,8 +894,8 @@ static int __init ebda_rsrc_controller (void)
}
//reorganize chassis' linked list
- combine_wpg_for_chassis ();
- combine_wpg_for_expansion ();
+ combine_wpg_for_chassis();
+ combine_wpg_for_expansion();
hpc_ptr->revision = 0xff;
hpc_ptr->options = 0xff;
hpc_ptr->starting_slot_num = hpc_ptr->slots[0].slot_num;
@@ -940,7 +940,7 @@ static int __init ebda_rsrc_controller (void)
tmp_slot->bus = hpc_ptr->slots[index].slot_bus_num;
- bus_info_ptr1 = ibmphp_find_same_bus_num (hpc_ptr->slots[index].slot_bus_num);
+ bus_info_ptr1 = ibmphp_find_same_bus_num(hpc_ptr->slots[index].slot_bus_num);
if (!bus_info_ptr1) {
kfree(tmp_slot);
rc = -ENODEV;
@@ -961,18 +961,18 @@ static int __init ebda_rsrc_controller (void)
if (rc)
goto error;
- rc = ibmphp_init_devno ((struct slot **) &hp_slot_ptr->private);
+ rc = ibmphp_init_devno((struct slot **) &hp_slot_ptr->private);
if (rc)
goto error;
hp_slot_ptr->ops = &ibmphp_hotplug_slot_ops;
// end of registering ibm slot with hotplug core
- list_add (& ((struct slot *)(hp_slot_ptr->private))->ibm_slot_list, &ibmphp_slot_head);
+ list_add(&((struct slot *)(hp_slot_ptr->private))->ibm_slot_list, &ibmphp_slot_head);
}
- print_bus_info ();
- list_add (&hpc_ptr->ebda_hpc_list, &ebda_hpc_head );
+ print_bus_info();
+ list_add(&hpc_ptr->ebda_hpc_list, &ebda_hpc_head);
} /* each hpc */
@@ -982,20 +982,20 @@ static int __init ebda_rsrc_controller (void)
pci_find_bus(0, tmp_slot->bus), tmp_slot->device, name);
}
- print_ebda_hpc ();
- print_ibm_slot ();
+ print_ebda_hpc();
+ print_ibm_slot();
return 0;
error:
- kfree (hp_slot_ptr->private);
+ kfree(hp_slot_ptr->private);
error_no_slot:
- kfree (hp_slot_ptr->info);
+ kfree(hp_slot_ptr->info);
error_no_hp_info:
- kfree (hp_slot_ptr);
+ kfree(hp_slot_ptr);
error_no_hp_slot:
- free_ebda_hpc (hpc_ptr);
+ free_ebda_hpc(hpc_ptr);
error_no_hpc:
- iounmap (io_mem);
+ iounmap(io_mem);
return rc;
}
@@ -1003,7 +1003,7 @@ error_no_hpc:
* map info (bus, devfun, start addr, end addr..) of i/o, memory,
* pfm from the physical addr to a list of resource.
*/
-static int __init ebda_rsrc_rsrc (void)
+static int __init ebda_rsrc_rsrc(void)
{
u16 addr;
short rsrc;
@@ -1011,69 +1011,69 @@ static int __init ebda_rsrc_rsrc (void)
struct ebda_pci_rsrc *rsrc_ptr;
addr = rsrc_list_ptr->phys_addr;
- debug ("now entering rsrc land\n");
- debug ("offset of rsrc: %x\n", rsrc_list_ptr->phys_addr);
+ debug("now entering rsrc land\n");
+ debug("offset of rsrc: %x\n", rsrc_list_ptr->phys_addr);
for (rsrc = 0; rsrc < rsrc_list_ptr->num_entries; rsrc++) {
- type = readb (io_mem + addr);
+ type = readb(io_mem + addr);
addr += 1;
rsrc_type = type & EBDA_RSRC_TYPE_MASK;
if (rsrc_type == EBDA_IO_RSRC_TYPE) {
- rsrc_ptr = alloc_ebda_pci_rsrc ();
+ rsrc_ptr = alloc_ebda_pci_rsrc();
if (!rsrc_ptr) {
- iounmap (io_mem);
+ iounmap(io_mem);
return -ENOMEM;
}
rsrc_ptr->rsrc_type = type;
- rsrc_ptr->bus_num = readb (io_mem + addr);
- rsrc_ptr->dev_fun = readb (io_mem + addr + 1);
- rsrc_ptr->start_addr = readw (io_mem + addr + 2);
- rsrc_ptr->end_addr = readw (io_mem + addr + 4);
+ rsrc_ptr->bus_num = readb(io_mem + addr);
+ rsrc_ptr->dev_fun = readb(io_mem + addr + 1);
+ rsrc_ptr->start_addr = readw(io_mem + addr + 2);
+ rsrc_ptr->end_addr = readw(io_mem + addr + 4);
addr += 6;
- debug ("rsrc from io type ----\n");
- debug ("rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n",
+ debug("rsrc from io type ----\n");
+ debug("rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n",
rsrc_ptr->rsrc_type, rsrc_ptr->bus_num, rsrc_ptr->dev_fun, rsrc_ptr->start_addr, rsrc_ptr->end_addr);
- list_add (&rsrc_ptr->ebda_pci_rsrc_list, &ibmphp_ebda_pci_rsrc_head);
+ list_add(&rsrc_ptr->ebda_pci_rsrc_list, &ibmphp_ebda_pci_rsrc_head);
}
if (rsrc_type == EBDA_MEM_RSRC_TYPE || rsrc_type == EBDA_PFM_RSRC_TYPE) {
- rsrc_ptr = alloc_ebda_pci_rsrc ();
- if (!rsrc_ptr ) {
- iounmap (io_mem);
+ rsrc_ptr = alloc_ebda_pci_rsrc();
+ if (!rsrc_ptr) {
+ iounmap(io_mem);
return -ENOMEM;
}
rsrc_ptr->rsrc_type = type;
- rsrc_ptr->bus_num = readb (io_mem + addr);
- rsrc_ptr->dev_fun = readb (io_mem + addr + 1);
- rsrc_ptr->start_addr = readl (io_mem + addr + 2);
- rsrc_ptr->end_addr = readl (io_mem + addr + 6);
+ rsrc_ptr->bus_num = readb(io_mem + addr);
+ rsrc_ptr->dev_fun = readb(io_mem + addr + 1);
+ rsrc_ptr->start_addr = readl(io_mem + addr + 2);
+ rsrc_ptr->end_addr = readl(io_mem + addr + 6);
addr += 10;
- debug ("rsrc from mem or pfm ---\n");
- debug ("rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n",
+ debug("rsrc from mem or pfm ---\n");
+ debug("rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n",
rsrc_ptr->rsrc_type, rsrc_ptr->bus_num, rsrc_ptr->dev_fun, rsrc_ptr->start_addr, rsrc_ptr->end_addr);
- list_add (&rsrc_ptr->ebda_pci_rsrc_list, &ibmphp_ebda_pci_rsrc_head);
+ list_add(&rsrc_ptr->ebda_pci_rsrc_list, &ibmphp_ebda_pci_rsrc_head);
}
}
- kfree (rsrc_list_ptr);
+ kfree(rsrc_list_ptr);
rsrc_list_ptr = NULL;
- print_ebda_pci_rsrc ();
+ print_ebda_pci_rsrc();
return 0;
}
-u16 ibmphp_get_total_controllers (void)
+u16 ibmphp_get_total_controllers(void)
{
return hpc_list_ptr->num_ctlrs;
}
-struct slot *ibmphp_get_slot_from_physical_num (u8 physical_num)
+struct slot *ibmphp_get_slot_from_physical_num(u8 physical_num)
{
struct slot *slot;
@@ -1090,7 +1090,7 @@ struct slot *ibmphp_get_slot_from_physical_num (u8 physical_num)
* - the total number of the slots based on each bus
* (if only one slot per bus slot_min = slot_max )
*/
-struct bus_info *ibmphp_find_same_bus_num (u32 num)
+struct bus_info *ibmphp_find_same_bus_num(u32 num)
{
struct bus_info *ptr;
@@ -1104,7 +1104,7 @@ struct bus_info *ibmphp_find_same_bus_num (u32 num)
/* Finding relative bus number, in order to map corresponding
* bus register
*/
-int ibmphp_get_bus_index (u8 num)
+int ibmphp_get_bus_index(u8 num)
{
struct bus_info *ptr;
@@ -1115,45 +1115,39 @@ int ibmphp_get_bus_index (u8 num)
return -ENODEV;
}
-void ibmphp_free_bus_info_queue (void)
+void ibmphp_free_bus_info_queue(void)
{
- struct bus_info *bus_info;
- struct list_head *list;
- struct list_head *next;
+ struct bus_info *bus_info, *next;
- list_for_each_safe (list, next, &bus_info_head ) {
- bus_info = list_entry (list, struct bus_info, bus_info_list);
+ list_for_each_entry_safe(bus_info, next, &bus_info_head,
+ bus_info_list) {
kfree (bus_info);
}
}
-void ibmphp_free_ebda_hpc_queue (void)
+void ibmphp_free_ebda_hpc_queue(void)
{
- struct controller *controller = NULL;
- struct list_head *list;
- struct list_head *next;
+ struct controller *controller = NULL, *next;
int pci_flag = 0;
- list_for_each_safe (list, next, &ebda_hpc_head) {
- controller = list_entry (list, struct controller, ebda_hpc_list);
+ list_for_each_entry_safe(controller, next, &ebda_hpc_head,
+ ebda_hpc_list) {
if (controller->ctlr_type == 0)
- release_region (controller->u.isa_ctlr.io_start, (controller->u.isa_ctlr.io_end - controller->u.isa_ctlr.io_start + 1));
+ release_region(controller->u.isa_ctlr.io_start, (controller->u.isa_ctlr.io_end - controller->u.isa_ctlr.io_start + 1));
else if ((controller->ctlr_type == 1) && (!pci_flag)) {
++pci_flag;
- pci_unregister_driver (&ibmphp_driver);
+ pci_unregister_driver(&ibmphp_driver);
}
- free_ebda_hpc (controller);
+ free_ebda_hpc(controller);
}
}
-void ibmphp_free_ebda_pci_rsrc_queue (void)
+void ibmphp_free_ebda_pci_rsrc_queue(void)
{
- struct ebda_pci_rsrc *resource;
- struct list_head *list;
- struct list_head *next;
+ struct ebda_pci_rsrc *resource, *next;
- list_for_each_safe (list, next, &ibmphp_ebda_pci_rsrc_head) {
- resource = list_entry (list, struct ebda_pci_rsrc, ebda_pci_rsrc_list);
+ list_for_each_entry_safe(resource, next, &ibmphp_ebda_pci_rsrc_head,
+ ebda_pci_rsrc_list) {
kfree (resource);
resource = NULL;
}
@@ -1171,14 +1165,14 @@ static struct pci_device_id id_table[] = {
MODULE_DEVICE_TABLE(pci, id_table);
-static int ibmphp_probe (struct pci_dev *, const struct pci_device_id *);
+static int ibmphp_probe(struct pci_dev *, const struct pci_device_id *);
static struct pci_driver ibmphp_driver = {
.name = "ibmphp",
.id_table = id_table,
.probe = ibmphp_probe,
};
-int ibmphp_register_pci (void)
+int ibmphp_register_pci(void)
{
struct controller *ctrl;
int rc = 0;
@@ -1191,18 +1185,18 @@ int ibmphp_register_pci (void)
}
return rc;
}
-static int ibmphp_probe (struct pci_dev *dev, const struct pci_device_id *ids)
+static int ibmphp_probe(struct pci_dev *dev, const struct pci_device_id *ids)
{
struct controller *ctrl;
- debug ("inside ibmphp_probe\n");
+ debug("inside ibmphp_probe\n");
list_for_each_entry(ctrl, &ebda_hpc_head, ebda_hpc_list) {
if (ctrl->ctlr_type == 1) {
if ((dev->devfn == ctrl->u.pci_ctlr.dev_fun) && (dev->bus->number == ctrl->u.pci_ctlr.bus)) {
ctrl->ctrl_dev = dev;
- debug ("found device!!!\n");
- debug ("dev->device = %x, dev->subsystem_device = %x\n", dev->device, dev->subsystem_device);
+ debug("found device!!!\n");
+ debug("dev->device = %x, dev->subsystem_device = %x\n", dev->device, dev->subsystem_device);
return 0;
}
}
diff --git a/drivers/pci/hotplug/ibmphp_hpc.c b/drivers/pci/hotplug/ibmphp_hpc.c
index 220876715a08..a6b458e4ab46 100644
--- a/drivers/pci/hotplug/ibmphp_hpc.c
+++ b/drivers/pci/hotplug/ibmphp_hpc.c
@@ -40,7 +40,7 @@
#include "ibmphp.h"
static int to_debug = 0;
-#define debug_polling(fmt, arg...) do { if (to_debug) debug (fmt, arg); } while (0)
+#define debug_polling(fmt, arg...) do { if (to_debug) debug(fmt, arg); } while (0)
//----------------------------------------------------------------------------
// timeout values
@@ -110,16 +110,16 @@ static struct task_struct *ibmphp_poll_thread;
//----------------------------------------------------------------------------
// local function prototypes
//----------------------------------------------------------------------------
-static u8 i2c_ctrl_read (struct controller *, void __iomem *, u8);
-static u8 i2c_ctrl_write (struct controller *, void __iomem *, u8, u8);
-static u8 hpc_writecmdtoindex (u8, u8);
-static u8 hpc_readcmdtoindex (u8, u8);
-static void get_hpc_access (void);
-static void free_hpc_access (void);
+static u8 i2c_ctrl_read(struct controller *, void __iomem *, u8);
+static u8 i2c_ctrl_write(struct controller *, void __iomem *, u8, u8);
+static u8 hpc_writecmdtoindex(u8, u8);
+static u8 hpc_readcmdtoindex(u8, u8);
+static void get_hpc_access(void);
+static void free_hpc_access(void);
static int poll_hpc(void *data);
-static int process_changeinstatus (struct slot *, struct slot *);
-static int process_changeinlatch (u8, u8, struct controller *);
-static int hpc_wait_ctlr_notworking (int, struct controller *, void __iomem *, u8 *);
+static int process_changeinstatus(struct slot *, struct slot *);
+static int process_changeinlatch(u8, u8, struct controller *);
+static int hpc_wait_ctlr_notworking(int, struct controller *, void __iomem *, u8 *);
//----------------------------------------------------------------------------
@@ -128,16 +128,16 @@ static int hpc_wait_ctlr_notworking (int, struct controller *, void __iomem *, u
*
* Action: initialize semaphores and variables
*---------------------------------------------------------------------*/
-void __init ibmphp_hpc_initvars (void)
+void __init ibmphp_hpc_initvars(void)
{
- debug ("%s - Entry\n", __func__);
+ debug("%s - Entry\n", __func__);
mutex_init(&sem_hpcaccess);
sema_init(&semOperations, 1);
sema_init(&sem_exit, 0);
to_debug = 0;
- debug ("%s - Exit\n", __func__);
+ debug("%s - Exit\n", __func__);
}
/*----------------------------------------------------------------------
@@ -146,7 +146,7 @@ void __init ibmphp_hpc_initvars (void)
* Action: read from HPC over I2C
*
*---------------------------------------------------------------------*/
-static u8 i2c_ctrl_read (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8 index)
+static u8 i2c_ctrl_read(struct controller *ctlr_ptr, void __iomem *WPGBbar, u8 index)
{
u8 status;
int i;
@@ -155,7 +155,7 @@ static u8 i2c_ctrl_read (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8
unsigned long ultemp;
unsigned long data; // actual data HILO format
- debug_polling ("%s - Entry WPGBbar[%p] index[%x] \n", __func__, WPGBbar, index);
+ debug_polling("%s - Entry WPGBbar[%p] index[%x] \n", __func__, WPGBbar, index);
//--------------------------------------------------------------------
// READ - step 1
@@ -178,28 +178,28 @@ static u8 i2c_ctrl_read (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8
ultemp = ultemp << 8;
data |= ultemp;
} else {
- err ("this controller type is not supported \n");
+ err("this controller type is not supported \n");
return HPC_ERROR;
}
- wpg_data = swab32 (data); // swap data before writing
+ wpg_data = swab32(data); // swap data before writing
wpg_addr = WPGBbar + WPG_I2CMOSUP_OFFSET;
- writel (wpg_data, wpg_addr);
+ writel(wpg_data, wpg_addr);
//--------------------------------------------------------------------
// READ - step 2 : clear the message buffer
data = 0x00000000;
- wpg_data = swab32 (data);
+ wpg_data = swab32(data);
wpg_addr = WPGBbar + WPG_I2CMBUFL_OFFSET;
- writel (wpg_data, wpg_addr);
+ writel(wpg_data, wpg_addr);
//--------------------------------------------------------------------
// READ - step 3 : issue start operation, I2C master control bit 30:ON
// 2020 : [20] OR operation at [20] offset 0x20
data = WPG_I2CMCNTL_STARTOP_MASK;
- wpg_data = swab32 (data);
+ wpg_data = swab32(data);
wpg_addr = WPGBbar + WPG_I2CMCNTL_OFFSET + WPG_I2C_OR;
- writel (wpg_data, wpg_addr);
+ writel(wpg_data, wpg_addr);
//--------------------------------------------------------------------
// READ - step 4 : wait until start operation bit clears
@@ -207,14 +207,14 @@ static u8 i2c_ctrl_read (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8
while (i) {
msleep(10);
wpg_addr = WPGBbar + WPG_I2CMCNTL_OFFSET;
- wpg_data = readl (wpg_addr);
- data = swab32 (wpg_data);
+ wpg_data = readl(wpg_addr);
+ data = swab32(wpg_data);
if (!(data & WPG_I2CMCNTL_STARTOP_MASK))
break;
i--;
}
if (i == 0) {
- debug ("%s - Error : WPG timeout\n", __func__);
+ debug("%s - Error : WPG timeout\n", __func__);
return HPC_ERROR;
}
//--------------------------------------------------------------------
@@ -223,26 +223,26 @@ static u8 i2c_ctrl_read (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8
while (i) {
msleep(10);
wpg_addr = WPGBbar + WPG_I2CSTAT_OFFSET;
- wpg_data = readl (wpg_addr);
- data = swab32 (wpg_data);
- if (HPC_I2CSTATUS_CHECK (data))
+ wpg_data = readl(wpg_addr);
+ data = swab32(wpg_data);
+ if (HPC_I2CSTATUS_CHECK(data))
break;
i--;
}
if (i == 0) {
- debug ("ctrl_read - Exit Error:I2C timeout\n");
+ debug("ctrl_read - Exit Error:I2C timeout\n");
return HPC_ERROR;
}
//--------------------------------------------------------------------
// READ - step 6 : get DATA
wpg_addr = WPGBbar + WPG_I2CMBUFL_OFFSET;
- wpg_data = readl (wpg_addr);
- data = swab32 (wpg_data);
+ wpg_data = readl(wpg_addr);
+ data = swab32(wpg_data);
status = (u8) data;
- debug_polling ("%s - Exit index[%x] status[%x]\n", __func__, index, status);
+ debug_polling("%s - Exit index[%x] status[%x]\n", __func__, index, status);
return (status);
}
@@ -254,7 +254,7 @@ static u8 i2c_ctrl_read (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8
*
* Return 0 or error codes
*---------------------------------------------------------------------*/
-static u8 i2c_ctrl_write (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8 index, u8 cmd)
+static u8 i2c_ctrl_write(struct controller *ctlr_ptr, void __iomem *WPGBbar, u8 index, u8 cmd)
{
u8 rc;
void __iomem *wpg_addr; // base addr + offset
@@ -263,7 +263,7 @@ static u8 i2c_ctrl_write (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8
unsigned long data; // actual data HILO format
int i;
- debug_polling ("%s - Entry WPGBbar[%p] index[%x] cmd[%x]\n", __func__, WPGBbar, index, cmd);
+ debug_polling("%s - Entry WPGBbar[%p] index[%x] cmd[%x]\n", __func__, WPGBbar, index, cmd);
rc = 0;
//--------------------------------------------------------------------
@@ -289,28 +289,28 @@ static u8 i2c_ctrl_write (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8
ultemp = ultemp << 8;
data |= ultemp;
} else {
- err ("this controller type is not supported \n");
+ err("this controller type is not supported \n");
return HPC_ERROR;
}
- wpg_data = swab32 (data); // swap data before writing
+ wpg_data = swab32(data); // swap data before writing
wpg_addr = WPGBbar + WPG_I2CMOSUP_OFFSET;
- writel (wpg_data, wpg_addr);
+ writel(wpg_data, wpg_addr);
//--------------------------------------------------------------------
// WRITE - step 2 : clear the message buffer
data = 0x00000000 | (unsigned long)cmd;
- wpg_data = swab32 (data);
+ wpg_data = swab32(data);
wpg_addr = WPGBbar + WPG_I2CMBUFL_OFFSET;
- writel (wpg_data, wpg_addr);
+ writel(wpg_data, wpg_addr);
//--------------------------------------------------------------------
// WRITE - step 3 : issue start operation,I2C master control bit 30:ON
// 2020 : [20] OR operation at [20] offset 0x20
data = WPG_I2CMCNTL_STARTOP_MASK;
- wpg_data = swab32 (data);
+ wpg_data = swab32(data);
wpg_addr = WPGBbar + WPG_I2CMCNTL_OFFSET + WPG_I2C_OR;
- writel (wpg_data, wpg_addr);
+ writel(wpg_data, wpg_addr);
//--------------------------------------------------------------------
// WRITE - step 4 : wait until start operation bit clears
@@ -318,14 +318,14 @@ static u8 i2c_ctrl_write (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8
while (i) {
msleep(10);
wpg_addr = WPGBbar + WPG_I2CMCNTL_OFFSET;
- wpg_data = readl (wpg_addr);
- data = swab32 (wpg_data);
+ wpg_data = readl(wpg_addr);
+ data = swab32(wpg_data);
if (!(data & WPG_I2CMCNTL_STARTOP_MASK))
break;
i--;
}
if (i == 0) {
- debug ("%s - Exit Error:WPG timeout\n", __func__);
+ debug("%s - Exit Error:WPG timeout\n", __func__);
rc = HPC_ERROR;
}
@@ -335,25 +335,25 @@ static u8 i2c_ctrl_write (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8
while (i) {
msleep(10);
wpg_addr = WPGBbar + WPG_I2CSTAT_OFFSET;
- wpg_data = readl (wpg_addr);
- data = swab32 (wpg_data);
- if (HPC_I2CSTATUS_CHECK (data))
+ wpg_data = readl(wpg_addr);
+ data = swab32(wpg_data);
+ if (HPC_I2CSTATUS_CHECK(data))
break;
i--;
}
if (i == 0) {
- debug ("ctrl_read - Error : I2C timeout\n");
+ debug("ctrl_read - Error : I2C timeout\n");
rc = HPC_ERROR;
}
- debug_polling ("%s Exit rc[%x]\n", __func__, rc);
+ debug_polling("%s Exit rc[%x]\n", __func__, rc);
return (rc);
}
//------------------------------------------------------------
// Read from ISA type HPC
//------------------------------------------------------------
-static u8 isa_ctrl_read (struct controller *ctlr_ptr, u8 offset)
+static u8 isa_ctrl_read(struct controller *ctlr_ptr, u8 offset)
{
u16 start_address;
u16 end_address;
@@ -361,56 +361,56 @@ static u8 isa_ctrl_read (struct controller *ctlr_ptr, u8 offset)
start_address = ctlr_ptr->u.isa_ctlr.io_start;
end_address = ctlr_ptr->u.isa_ctlr.io_end;
- data = inb (start_address + offset);
+ data = inb(start_address + offset);
return data;
}
//--------------------------------------------------------------
// Write to ISA type HPC
//--------------------------------------------------------------
-static void isa_ctrl_write (struct controller *ctlr_ptr, u8 offset, u8 data)
+static void isa_ctrl_write(struct controller *ctlr_ptr, u8 offset, u8 data)
{
u16 start_address;
u16 port_address;
start_address = ctlr_ptr->u.isa_ctlr.io_start;
port_address = start_address + (u16) offset;
- outb (data, port_address);
+ outb(data, port_address);
}
-static u8 pci_ctrl_read (struct controller *ctrl, u8 offset)
+static u8 pci_ctrl_read(struct controller *ctrl, u8 offset)
{
u8 data = 0x00;
- debug ("inside pci_ctrl_read\n");
+ debug("inside pci_ctrl_read\n");
if (ctrl->ctrl_dev)
- pci_read_config_byte (ctrl->ctrl_dev, HPC_PCI_OFFSET + offset, &data);
+ pci_read_config_byte(ctrl->ctrl_dev, HPC_PCI_OFFSET + offset, &data);
return data;
}
-static u8 pci_ctrl_write (struct controller *ctrl, u8 offset, u8 data)
+static u8 pci_ctrl_write(struct controller *ctrl, u8 offset, u8 data)
{
u8 rc = -ENODEV;
- debug ("inside pci_ctrl_write\n");
+ debug("inside pci_ctrl_write\n");
if (ctrl->ctrl_dev) {
- pci_write_config_byte (ctrl->ctrl_dev, HPC_PCI_OFFSET + offset, data);
+ pci_write_config_byte(ctrl->ctrl_dev, HPC_PCI_OFFSET + offset, data);
rc = 0;
}
return rc;
}
-static u8 ctrl_read (struct controller *ctlr, void __iomem *base, u8 offset)
+static u8 ctrl_read(struct controller *ctlr, void __iomem *base, u8 offset)
{
u8 rc;
switch (ctlr->ctlr_type) {
case 0:
- rc = isa_ctrl_read (ctlr, offset);
+ rc = isa_ctrl_read(ctlr, offset);
break;
case 1:
- rc = pci_ctrl_read (ctlr, offset);
+ rc = pci_ctrl_read(ctlr, offset);
break;
case 2:
case 4:
- rc = i2c_ctrl_read (ctlr, base, offset);
+ rc = i2c_ctrl_read(ctlr, base, offset);
break;
default:
return -ENODEV;
@@ -418,7 +418,7 @@ static u8 ctrl_read (struct controller *ctlr, void __iomem *base, u8 offset)
return rc;
}
-static u8 ctrl_write (struct controller *ctlr, void __iomem *base, u8 offset, u8 data)
+static u8 ctrl_write(struct controller *ctlr, void __iomem *base, u8 offset, u8 data)
{
u8 rc = 0;
switch (ctlr->ctlr_type) {
@@ -426,7 +426,7 @@ static u8 ctrl_write (struct controller *ctlr, void __iomem *base, u8 offset, u8
isa_ctrl_write(ctlr, offset, data);
break;
case 1:
- rc = pci_ctrl_write (ctlr, offset, data);
+ rc = pci_ctrl_write(ctlr, offset, data);
break;
case 2:
case 4:
@@ -444,7 +444,7 @@ static u8 ctrl_write (struct controller *ctlr, void __iomem *base, u8 offset, u8
*
* Return index, HPC_ERROR
*---------------------------------------------------------------------*/
-static u8 hpc_writecmdtoindex (u8 cmd, u8 index)
+static u8 hpc_writecmdtoindex(u8 cmd, u8 index)
{
u8 rc;
@@ -476,7 +476,7 @@ static u8 hpc_writecmdtoindex (u8 cmd, u8 index)
break;
default:
- err ("hpc_writecmdtoindex - Error invalid cmd[%x]\n", cmd);
+ err("hpc_writecmdtoindex - Error invalid cmd[%x]\n", cmd);
rc = HPC_ERROR;
}
@@ -490,7 +490,7 @@ static u8 hpc_writecmdtoindex (u8 cmd, u8 index)
*
* Return index, HPC_ERROR
*---------------------------------------------------------------------*/
-static u8 hpc_readcmdtoindex (u8 cmd, u8 index)
+static u8 hpc_readcmdtoindex(u8 cmd, u8 index)
{
u8 rc;
@@ -533,78 +533,77 @@ static u8 hpc_readcmdtoindex (u8 cmd, u8 index)
*
* Return 0 or error codes
*---------------------------------------------------------------------*/
-int ibmphp_hpc_readslot (struct slot *pslot, u8 cmd, u8 *pstatus)
+int ibmphp_hpc_readslot(struct slot *pslot, u8 cmd, u8 *pstatus)
{
void __iomem *wpg_bbar = NULL;
struct controller *ctlr_ptr;
- struct list_head *pslotlist;
u8 index, status;
int rc = 0;
int busindex;
- debug_polling ("%s - Entry pslot[%p] cmd[%x] pstatus[%p]\n", __func__, pslot, cmd, pstatus);
+ debug_polling("%s - Entry pslot[%p] cmd[%x] pstatus[%p]\n", __func__, pslot, cmd, pstatus);
if ((pslot == NULL)
|| ((pstatus == NULL) && (cmd != READ_ALLSTAT) && (cmd != READ_BUSSTATUS))) {
rc = -EINVAL;
- err ("%s - Error invalid pointer, rc[%d]\n", __func__, rc);
+ err("%s - Error invalid pointer, rc[%d]\n", __func__, rc);
return rc;
}
if (cmd == READ_BUSSTATUS) {
- busindex = ibmphp_get_bus_index (pslot->bus);
+ busindex = ibmphp_get_bus_index(pslot->bus);
if (busindex < 0) {
rc = -EINVAL;
- err ("%s - Exit Error:invalid bus, rc[%d]\n", __func__, rc);
+ err("%s - Exit Error:invalid bus, rc[%d]\n", __func__, rc);
return rc;
} else
index = (u8) busindex;
} else
index = pslot->ctlr_index;
- index = hpc_readcmdtoindex (cmd, index);
+ index = hpc_readcmdtoindex(cmd, index);
if (index == HPC_ERROR) {
rc = -EINVAL;
- err ("%s - Exit Error:invalid index, rc[%d]\n", __func__, rc);
+ err("%s - Exit Error:invalid index, rc[%d]\n", __func__, rc);
return rc;
}
ctlr_ptr = pslot->ctrl;
- get_hpc_access ();
+ get_hpc_access();
//--------------------------------------------------------------------
// map physical address to logical address
//--------------------------------------------------------------------
if ((ctlr_ptr->ctlr_type == 2) || (ctlr_ptr->ctlr_type == 4))
- wpg_bbar = ioremap (ctlr_ptr->u.wpeg_ctlr.wpegbbar, WPG_I2C_IOREMAP_SIZE);
+ wpg_bbar = ioremap(ctlr_ptr->u.wpeg_ctlr.wpegbbar, WPG_I2C_IOREMAP_SIZE);
//--------------------------------------------------------------------
// check controller status before reading
//--------------------------------------------------------------------
- rc = hpc_wait_ctlr_notworking (HPC_CTLR_WORKING_TOUT, ctlr_ptr, wpg_bbar, &status);
+ rc = hpc_wait_ctlr_notworking(HPC_CTLR_WORKING_TOUT, ctlr_ptr, wpg_bbar, &status);
if (!rc) {
switch (cmd) {
case READ_ALLSTAT:
// update the slot structure
pslot->ctrl->status = status;
- pslot->status = ctrl_read (ctlr_ptr, wpg_bbar, index);
- rc = hpc_wait_ctlr_notworking (HPC_CTLR_WORKING_TOUT, ctlr_ptr, wpg_bbar,
+ pslot->status = ctrl_read(ctlr_ptr, wpg_bbar, index);
+ rc = hpc_wait_ctlr_notworking(HPC_CTLR_WORKING_TOUT, ctlr_ptr, wpg_bbar,
&status);
if (!rc)
- pslot->ext_status = ctrl_read (ctlr_ptr, wpg_bbar, index + WPG_1ST_EXTSLOT_INDEX);
+ pslot->ext_status = ctrl_read(ctlr_ptr, wpg_bbar, index + WPG_1ST_EXTSLOT_INDEX);
break;
case READ_SLOTSTATUS:
// DO NOT update the slot structure
- *pstatus = ctrl_read (ctlr_ptr, wpg_bbar, index);
+ *pstatus = ctrl_read(ctlr_ptr, wpg_bbar, index);
break;
case READ_EXTSLOTSTATUS:
// DO NOT update the slot structure
- *pstatus = ctrl_read (ctlr_ptr, wpg_bbar, index);
+ *pstatus = ctrl_read(ctlr_ptr, wpg_bbar, index);
break;
case READ_CTLRSTATUS:
@@ -613,36 +612,36 @@ int ibmphp_hpc_readslot (struct slot *pslot, u8 cmd, u8 *pstatus)
break;
case READ_BUSSTATUS:
- pslot->busstatus = ctrl_read (ctlr_ptr, wpg_bbar, index);
+ pslot->busstatus = ctrl_read(ctlr_ptr, wpg_bbar, index);
break;
case READ_REVLEVEL:
- *pstatus = ctrl_read (ctlr_ptr, wpg_bbar, index);
+ *pstatus = ctrl_read(ctlr_ptr, wpg_bbar, index);
break;
case READ_HPCOPTIONS:
- *pstatus = ctrl_read (ctlr_ptr, wpg_bbar, index);
+ *pstatus = ctrl_read(ctlr_ptr, wpg_bbar, index);
break;
case READ_SLOTLATCHLOWREG:
// DO NOT update the slot structure
- *pstatus = ctrl_read (ctlr_ptr, wpg_bbar, index);
+ *pstatus = ctrl_read(ctlr_ptr, wpg_bbar, index);
break;
// Not used
case READ_ALLSLOT:
- list_for_each (pslotlist, &ibmphp_slot_head) {
- pslot = list_entry (pslotlist, struct slot, ibm_slot_list);
+ list_for_each_entry(pslot, &ibmphp_slot_head,
+ ibm_slot_list) {
index = pslot->ctlr_index;
- rc = hpc_wait_ctlr_notworking (HPC_CTLR_WORKING_TOUT, ctlr_ptr,
+ rc = hpc_wait_ctlr_notworking(HPC_CTLR_WORKING_TOUT, ctlr_ptr,
wpg_bbar, &status);
if (!rc) {
- pslot->status = ctrl_read (ctlr_ptr, wpg_bbar, index);
- rc = hpc_wait_ctlr_notworking (HPC_CTLR_WORKING_TOUT,
+ pslot->status = ctrl_read(ctlr_ptr, wpg_bbar, index);
+ rc = hpc_wait_ctlr_notworking(HPC_CTLR_WORKING_TOUT,
ctlr_ptr, wpg_bbar, &status);
if (!rc)
pslot->ext_status =
- ctrl_read (ctlr_ptr, wpg_bbar,
+ ctrl_read(ctlr_ptr, wpg_bbar,
index + WPG_1ST_EXTSLOT_INDEX);
} else {
- err ("%s - Error ctrl_read failed\n", __func__);
+ err("%s - Error ctrl_read failed\n", __func__);
rc = -EINVAL;
break;
}
@@ -659,11 +658,11 @@ int ibmphp_hpc_readslot (struct slot *pslot, u8 cmd, u8 *pstatus)
// remove physical to logical address mapping
if ((ctlr_ptr->ctlr_type == 2) || (ctlr_ptr->ctlr_type == 4))
- iounmap (wpg_bbar);
+ iounmap(wpg_bbar);
- free_hpc_access ();
+ free_hpc_access();
- debug_polling ("%s - Exit rc[%d]\n", __func__, rc);
+ debug_polling("%s - Exit rc[%d]\n", __func__, rc);
return rc;
}
@@ -672,7 +671,7 @@ int ibmphp_hpc_readslot (struct slot *pslot, u8 cmd, u8 *pstatus)
*
* Action: issue a WRITE command to HPC
*---------------------------------------------------------------------*/
-int ibmphp_hpc_writeslot (struct slot *pslot, u8 cmd)
+int ibmphp_hpc_writeslot(struct slot *pslot, u8 cmd)
{
void __iomem *wpg_bbar = NULL;
struct controller *ctlr_ptr;
@@ -682,55 +681,55 @@ int ibmphp_hpc_writeslot (struct slot *pslot, u8 cmd)
int rc = 0;
int timeout;
- debug_polling ("%s - Entry pslot[%p] cmd[%x]\n", __func__, pslot, cmd);
+ debug_polling("%s - Entry pslot[%p] cmd[%x]\n", __func__, pslot, cmd);
if (pslot == NULL) {
rc = -EINVAL;
- err ("%s - Error Exit rc[%d]\n", __func__, rc);
+ err("%s - Error Exit rc[%d]\n", __func__, rc);
return rc;
}
if ((cmd == HPC_BUS_33CONVMODE) || (cmd == HPC_BUS_66CONVMODE) ||
(cmd == HPC_BUS_66PCIXMODE) || (cmd == HPC_BUS_100PCIXMODE) ||
(cmd == HPC_BUS_133PCIXMODE)) {
- busindex = ibmphp_get_bus_index (pslot->bus);
+ busindex = ibmphp_get_bus_index(pslot->bus);
if (busindex < 0) {
rc = -EINVAL;
- err ("%s - Exit Error:invalid bus, rc[%d]\n", __func__, rc);
+ err("%s - Exit Error:invalid bus, rc[%d]\n", __func__, rc);
return rc;
} else
index = (u8) busindex;
} else
index = pslot->ctlr_index;
- index = hpc_writecmdtoindex (cmd, index);
+ index = hpc_writecmdtoindex(cmd, index);
if (index == HPC_ERROR) {
rc = -EINVAL;
- err ("%s - Error Exit rc[%d]\n", __func__, rc);
+ err("%s - Error Exit rc[%d]\n", __func__, rc);
return rc;
}
ctlr_ptr = pslot->ctrl;
- get_hpc_access ();
+ get_hpc_access();
//--------------------------------------------------------------------
// map physical address to logical address
//--------------------------------------------------------------------
if ((ctlr_ptr->ctlr_type == 2) || (ctlr_ptr->ctlr_type == 4)) {
- wpg_bbar = ioremap (ctlr_ptr->u.wpeg_ctlr.wpegbbar, WPG_I2C_IOREMAP_SIZE);
+ wpg_bbar = ioremap(ctlr_ptr->u.wpeg_ctlr.wpegbbar, WPG_I2C_IOREMAP_SIZE);
- debug ("%s - ctlr id[%x] physical[%lx] logical[%lx] i2c[%x]\n", __func__,
+ debug("%s - ctlr id[%x] physical[%lx] logical[%lx] i2c[%x]\n", __func__,
ctlr_ptr->ctlr_id, (ulong) (ctlr_ptr->u.wpeg_ctlr.wpegbbar), (ulong) wpg_bbar,
ctlr_ptr->u.wpeg_ctlr.i2c_addr);
}
//--------------------------------------------------------------------
// check controller status before writing
//--------------------------------------------------------------------
- rc = hpc_wait_ctlr_notworking (HPC_CTLR_WORKING_TOUT, ctlr_ptr, wpg_bbar, &status);
+ rc = hpc_wait_ctlr_notworking(HPC_CTLR_WORKING_TOUT, ctlr_ptr, wpg_bbar, &status);
if (!rc) {
- ctrl_write (ctlr_ptr, wpg_bbar, index, cmd);
+ ctrl_write(ctlr_ptr, wpg_bbar, index, cmd);
//--------------------------------------------------------------------
// check controller is still not working on the command
@@ -738,11 +737,11 @@ int ibmphp_hpc_writeslot (struct slot *pslot, u8 cmd)
timeout = CMD_COMPLETE_TOUT_SEC;
done = 0;
while (!done) {
- rc = hpc_wait_ctlr_notworking (HPC_CTLR_WORKING_TOUT, ctlr_ptr, wpg_bbar,
+ rc = hpc_wait_ctlr_notworking(HPC_CTLR_WORKING_TOUT, ctlr_ptr, wpg_bbar,
&status);
if (!rc) {
- if (NEEDTOCHECK_CMDSTATUS (cmd)) {
- if (CTLR_FINISHED (status) == HPC_CTLR_FINISHED_YES)
+ if (NEEDTOCHECK_CMDSTATUS(cmd)) {
+ if (CTLR_FINISHED(status) == HPC_CTLR_FINISHED_YES)
done = 1;
} else
done = 1;
@@ -751,7 +750,7 @@ int ibmphp_hpc_writeslot (struct slot *pslot, u8 cmd)
msleep(1000);
if (timeout < 1) {
done = 1;
- err ("%s - Error command complete timeout\n", __func__);
+ err("%s - Error command complete timeout\n", __func__);
rc = -EFAULT;
} else
timeout--;
@@ -763,10 +762,10 @@ int ibmphp_hpc_writeslot (struct slot *pslot, u8 cmd)
// remove physical to logical address mapping
if ((ctlr_ptr->ctlr_type == 2) || (ctlr_ptr->ctlr_type == 4))
- iounmap (wpg_bbar);
- free_hpc_access ();
+ iounmap(wpg_bbar);
+ free_hpc_access();
- debug_polling ("%s - Exit rc[%d]\n", __func__, rc);
+ debug_polling("%s - Exit rc[%d]\n", __func__, rc);
return rc;
}
@@ -775,7 +774,7 @@ int ibmphp_hpc_writeslot (struct slot *pslot, u8 cmd)
*
* Action: make sure only one process can access HPC at one time
*---------------------------------------------------------------------*/
-static void get_hpc_access (void)
+static void get_hpc_access(void)
{
mutex_lock(&sem_hpcaccess);
}
@@ -783,7 +782,7 @@ static void get_hpc_access (void)
/*----------------------------------------------------------------------
* Name: free_hpc_access()
*---------------------------------------------------------------------*/
-void free_hpc_access (void)
+void free_hpc_access(void)
{
mutex_unlock(&sem_hpcaccess);
}
@@ -793,21 +792,21 @@ void free_hpc_access (void)
*
* Action: make sure only one process can change the data structure
*---------------------------------------------------------------------*/
-void ibmphp_lock_operations (void)
+void ibmphp_lock_operations(void)
{
- down (&semOperations);
+ down(&semOperations);
to_debug = 1;
}
/*----------------------------------------------------------------------
* Name: ibmphp_unlock_operations()
*---------------------------------------------------------------------*/
-void ibmphp_unlock_operations (void)
+void ibmphp_unlock_operations(void)
{
- debug ("%s - Entry\n", __func__);
- up (&semOperations);
+ debug("%s - Entry\n", __func__);
+ up(&semOperations);
to_debug = 0;
- debug ("%s - Exit\n", __func__);
+ debug("%s - Exit\n", __func__);
}
/*----------------------------------------------------------------------
@@ -820,7 +819,6 @@ static int poll_hpc(void *data)
{
struct slot myslot;
struct slot *pslot = NULL;
- struct list_head *pslotlist;
int rc;
int poll_state = POLL_LATCH_REGISTER;
u8 oldlatchlow = 0x00;
@@ -828,28 +826,28 @@ static int poll_hpc(void *data)
int poll_count = 0;
u8 ctrl_count = 0x00;
- debug ("%s - Entry\n", __func__);
+ debug("%s - Entry\n", __func__);
while (!kthread_should_stop()) {
/* try to get the lock to do some kind of hardware access */
- down (&semOperations);
+ down(&semOperations);
switch (poll_state) {
case POLL_LATCH_REGISTER:
oldlatchlow = curlatchlow;
ctrl_count = 0x00;
- list_for_each (pslotlist, &ibmphp_slot_head) {
+ list_for_each_entry(pslot, &ibmphp_slot_head,
+ ibm_slot_list) {
if (ctrl_count >= ibmphp_get_total_controllers())
break;
- pslot = list_entry (pslotlist, struct slot, ibm_slot_list);
if (pslot->ctrl->ctlr_relative_id == ctrl_count) {
ctrl_count++;
- if (READ_SLOT_LATCH (pslot->ctrl)) {
- rc = ibmphp_hpc_readslot (pslot,
+ if (READ_SLOT_LATCH(pslot->ctrl)) {
+ rc = ibmphp_hpc_readslot(pslot,
READ_SLOTLATCHLOWREG,
&curlatchlow);
if (oldlatchlow != curlatchlow)
- process_changeinlatch (oldlatchlow,
+ process_changeinlatch(oldlatchlow,
curlatchlow,
pslot->ctrl);
}
@@ -859,25 +857,25 @@ static int poll_hpc(void *data)
poll_state = POLL_SLEEP;
break;
case POLL_SLOTS:
- list_for_each (pslotlist, &ibmphp_slot_head) {
- pslot = list_entry (pslotlist, struct slot, ibm_slot_list);
+ list_for_each_entry(pslot, &ibmphp_slot_head,
+ ibm_slot_list) {
// make a copy of the old status
- memcpy ((void *) &myslot, (void *) pslot,
- sizeof (struct slot));
- rc = ibmphp_hpc_readslot (pslot, READ_ALLSTAT, NULL);
+ memcpy((void *) &myslot, (void *) pslot,
+ sizeof(struct slot));
+ rc = ibmphp_hpc_readslot(pslot, READ_ALLSTAT, NULL);
if ((myslot.status != pslot->status)
|| (myslot.ext_status != pslot->ext_status))
- process_changeinstatus (pslot, &myslot);
+ process_changeinstatus(pslot, &myslot);
}
ctrl_count = 0x00;
- list_for_each (pslotlist, &ibmphp_slot_head) {
+ list_for_each_entry(pslot, &ibmphp_slot_head,
+ ibm_slot_list) {
if (ctrl_count >= ibmphp_get_total_controllers())
break;
- pslot = list_entry (pslotlist, struct slot, ibm_slot_list);
if (pslot->ctrl->ctlr_relative_id == ctrl_count) {
ctrl_count++;
- if (READ_SLOT_LATCH (pslot->ctrl))
- rc = ibmphp_hpc_readslot (pslot,
+ if (READ_SLOT_LATCH(pslot->ctrl))
+ rc = ibmphp_hpc_readslot(pslot,
READ_SLOTLATCHLOWREG,
&curlatchlow);
}
@@ -887,13 +885,13 @@ static int poll_hpc(void *data)
break;
case POLL_SLEEP:
/* don't sleep with a lock on the hardware */
- up (&semOperations);
+ up(&semOperations);
msleep(POLL_INTERVAL_SEC * 1000);
if (kthread_should_stop())
goto out_sleep;
- down (&semOperations);
+ down(&semOperations);
if (poll_count >= POLL_LATCH_CNT) {
poll_count = 0;
@@ -903,13 +901,13 @@ static int poll_hpc(void *data)
break;
}
/* give up the hardware semaphore */
- up (&semOperations);
+ up(&semOperations);
/* sleep for a short time just for good measure */
out_sleep:
msleep(100);
}
- up (&sem_exit);
- debug ("%s - Exit\n", __func__);
+ up(&sem_exit);
+ debug("%s - Exit\n", __func__);
return 0;
}
@@ -929,14 +927,14 @@ out_sleep:
*
* Notes:
*---------------------------------------------------------------------*/
-static int process_changeinstatus (struct slot *pslot, struct slot *poldslot)
+static int process_changeinstatus(struct slot *pslot, struct slot *poldslot)
{
u8 status;
int rc = 0;
u8 disable = 0;
u8 update = 0;
- debug ("process_changeinstatus - Entry pslot[%p], poldslot[%p]\n", pslot, poldslot);
+ debug("process_changeinstatus - Entry pslot[%p], poldslot[%p]\n", pslot, poldslot);
// bit 0 - HPC_SLOT_POWER
if ((pslot->status & 0x01) != (poldslot->status & 0x01))
@@ -958,7 +956,7 @@ static int process_changeinstatus (struct slot *pslot, struct slot *poldslot)
// bit 5 - HPC_SLOT_PWRGD
if ((pslot->status & 0x20) != (poldslot->status & 0x20))
// OFF -> ON: ignore, ON -> OFF: disable slot
- if ((poldslot->status & 0x20) && (SLOT_CONNECT (poldslot->status) == HPC_SLOT_CONNECTED) && (SLOT_PRESENT (poldslot->status)))
+ if ((poldslot->status & 0x20) && (SLOT_CONNECT(poldslot->status) == HPC_SLOT_CONNECTED) && (SLOT_PRESENT(poldslot->status)))
disable = 1;
// bit 6 - HPC_SLOT_BUS_SPEED
@@ -969,20 +967,20 @@ static int process_changeinstatus (struct slot *pslot, struct slot *poldslot)
update = 1;
// OPEN -> CLOSE
if (pslot->status & 0x80) {
- if (SLOT_PWRGD (pslot->status)) {
+ if (SLOT_PWRGD(pslot->status)) {
// power goes on and off after closing latch
// check again to make sure power is still ON
msleep(1000);
- rc = ibmphp_hpc_readslot (pslot, READ_SLOTSTATUS, &status);
- if (SLOT_PWRGD (status))
+ rc = ibmphp_hpc_readslot(pslot, READ_SLOTSTATUS, &status);
+ if (SLOT_PWRGD(status))
update = 1;
else // overwrite power in pslot to OFF
pslot->status &= ~HPC_SLOT_POWER;
}
}
// CLOSE -> OPEN
- else if ((SLOT_PWRGD (poldslot->status) == HPC_SLOT_PWRGD_GOOD)
- && (SLOT_CONNECT (poldslot->status) == HPC_SLOT_CONNECTED) && (SLOT_PRESENT (poldslot->status))) {
+ else if ((SLOT_PWRGD(poldslot->status) == HPC_SLOT_PWRGD_GOOD)
+ && (SLOT_CONNECT(poldslot->status) == HPC_SLOT_CONNECTED) && (SLOT_PRESENT(poldslot->status))) {
disable = 1;
}
// else - ignore
@@ -992,15 +990,15 @@ static int process_changeinstatus (struct slot *pslot, struct slot *poldslot)
update = 1;
if (disable) {
- debug ("process_changeinstatus - disable slot\n");
+ debug("process_changeinstatus - disable slot\n");
pslot->flag = 0;
- rc = ibmphp_do_disable_slot (pslot);
+ rc = ibmphp_do_disable_slot(pslot);
}
if (update || disable)
- ibmphp_update_slot_info (pslot);
+ ibmphp_update_slot_info(pslot);
- debug ("%s - Exit rc[%d] disable[%x] update[%x]\n", __func__, rc, disable, update);
+ debug("%s - Exit rc[%d] disable[%x] update[%x]\n", __func__, rc, disable, update);
return rc;
}
@@ -1015,32 +1013,32 @@ static int process_changeinstatus (struct slot *pslot, struct slot *poldslot)
* Return 0 or error codes
* Value:
*---------------------------------------------------------------------*/
-static int process_changeinlatch (u8 old, u8 new, struct controller *ctrl)
+static int process_changeinlatch(u8 old, u8 new, struct controller *ctrl)
{
struct slot myslot, *pslot;
u8 i;
u8 mask;
int rc = 0;
- debug ("%s - Entry old[%x], new[%x]\n", __func__, old, new);
+ debug("%s - Entry old[%x], new[%x]\n", __func__, old, new);
// bit 0 reserved, 0 is LSB, check bit 1-6 for 6 slots
for (i = ctrl->starting_slot_num; i <= ctrl->ending_slot_num; i++) {
mask = 0x01 << i;
if ((mask & old) != (mask & new)) {
- pslot = ibmphp_get_slot_from_physical_num (i);
+ pslot = ibmphp_get_slot_from_physical_num(i);
if (pslot) {
- memcpy ((void *) &myslot, (void *) pslot, sizeof (struct slot));
- rc = ibmphp_hpc_readslot (pslot, READ_ALLSTAT, NULL);
- debug ("%s - call process_changeinstatus for slot[%d]\n", __func__, i);
- process_changeinstatus (pslot, &myslot);
+ memcpy((void *) &myslot, (void *) pslot, sizeof(struct slot));
+ rc = ibmphp_hpc_readslot(pslot, READ_ALLSTAT, NULL);
+ debug("%s - call process_changeinstatus for slot[%d]\n", __func__, i);
+ process_changeinstatus(pslot, &myslot);
} else {
rc = -EINVAL;
- err ("%s - Error bad pointer for slot[%d]\n", __func__, i);
+ err("%s - Error bad pointer for slot[%d]\n", __func__, i);
}
}
}
- debug ("%s - Exit rc[%d]\n", __func__, rc);
+ debug("%s - Exit rc[%d]\n", __func__, rc);
return rc;
}
@@ -1049,13 +1047,13 @@ static int process_changeinlatch (u8 old, u8 new, struct controller *ctrl)
*
* Action: start polling thread
*---------------------------------------------------------------------*/
-int __init ibmphp_hpc_start_poll_thread (void)
+int __init ibmphp_hpc_start_poll_thread(void)
{
- debug ("%s - Entry\n", __func__);
+ debug("%s - Entry\n", __func__);
ibmphp_poll_thread = kthread_run(poll_hpc, NULL, "hpc_poll");
if (IS_ERR(ibmphp_poll_thread)) {
- err ("%s - Error, thread not started\n", __func__);
+ err("%s - Error, thread not started\n", __func__);
return PTR_ERR(ibmphp_poll_thread);
}
return 0;
@@ -1066,30 +1064,30 @@ int __init ibmphp_hpc_start_poll_thread (void)
*
* Action: stop polling thread and cleanup
*---------------------------------------------------------------------*/
-void __exit ibmphp_hpc_stop_poll_thread (void)
+void __exit ibmphp_hpc_stop_poll_thread(void)
{
- debug ("%s - Entry\n", __func__);
+ debug("%s - Entry\n", __func__);
kthread_stop(ibmphp_poll_thread);
- debug ("before locking operations \n");
- ibmphp_lock_operations ();
- debug ("after locking operations \n");
+ debug("before locking operations\n");
+ ibmphp_lock_operations();
+ debug("after locking operations\n");
// wait for poll thread to exit
- debug ("before sem_exit down \n");
- down (&sem_exit);
- debug ("after sem_exit down \n");
+ debug("before sem_exit down\n");
+ down(&sem_exit);
+ debug("after sem_exit down\n");
// cleanup
- debug ("before free_hpc_access \n");
- free_hpc_access ();
- debug ("after free_hpc_access \n");
- ibmphp_unlock_operations ();
- debug ("after unlock operations \n");
- up (&sem_exit);
- debug ("after sem exit up\n");
-
- debug ("%s - Exit\n", __func__);
+ debug("before free_hpc_access\n");
+ free_hpc_access();
+ debug("after free_hpc_access\n");
+ ibmphp_unlock_operations();
+ debug("after unlock operations\n");
+ up(&sem_exit);
+ debug("after sem exit up\n");
+
+ debug("%s - Exit\n", __func__);
}
/*----------------------------------------------------------------------
@@ -1100,32 +1098,32 @@ void __exit ibmphp_hpc_stop_poll_thread (void)
* Return 0, HPC_ERROR
* Value:
*---------------------------------------------------------------------*/
-static int hpc_wait_ctlr_notworking (int timeout, struct controller *ctlr_ptr, void __iomem *wpg_bbar,
+static int hpc_wait_ctlr_notworking(int timeout, struct controller *ctlr_ptr, void __iomem *wpg_bbar,
u8 *pstatus)
{
int rc = 0;
u8 done = 0;
- debug_polling ("hpc_wait_ctlr_notworking - Entry timeout[%d]\n", timeout);
+ debug_polling("hpc_wait_ctlr_notworking - Entry timeout[%d]\n", timeout);
while (!done) {
- *pstatus = ctrl_read (ctlr_ptr, wpg_bbar, WPG_CTLR_INDEX);
+ *pstatus = ctrl_read(ctlr_ptr, wpg_bbar, WPG_CTLR_INDEX);
if (*pstatus == HPC_ERROR) {
rc = HPC_ERROR;
done = 1;
}
- if (CTLR_WORKING (*pstatus) == HPC_CTLR_WORKING_NO)
+ if (CTLR_WORKING(*pstatus) == HPC_CTLR_WORKING_NO)
done = 1;
if (!done) {
msleep(1000);
if (timeout < 1) {
done = 1;
- err ("HPCreadslot - Error ctlr timeout\n");
+ err("HPCreadslot - Error ctlr timeout\n");
rc = HPC_ERROR;
} else
timeout--;
}
}
- debug_polling ("hpc_wait_ctlr_notworking - Exit rc[%x] status[%x]\n", rc, *pstatus);
+ debug_polling("hpc_wait_ctlr_notworking - Exit rc[%x] status[%x]\n", rc, *pstatus);
return rc;
}
diff --git a/drivers/pci/hotplug/ibmphp_pci.c b/drivers/pci/hotplug/ibmphp_pci.c
index 814cea22a9fa..dc1876feb06f 100644
--- a/drivers/pci/hotplug/ibmphp_pci.c
+++ b/drivers/pci/hotplug/ibmphp_pci.c
@@ -37,8 +37,8 @@
static int configure_device(struct pci_func *);
static int configure_bridge(struct pci_func **, u8);
static struct res_needed *scan_behind_bridge(struct pci_func *, u8);
-static int add_new_bus (struct bus_node *, struct resource_node *, struct resource_node *, struct resource_node *, u8);
-static u8 find_sec_number (u8 primary_busno, u8 slotno);
+static int add_new_bus(struct bus_node *, struct resource_node *, struct resource_node *, struct resource_node *, u8);
+static u8 find_sec_number(u8 primary_busno, u8 slotno);
/*
* NOTE..... If BIOS doesn't provide default routing, we assign:
@@ -47,7 +47,7 @@ static u8 find_sec_number (u8 primary_busno, u8 slotno);
* We also assign the same irq numbers for multi function devices.
* These are PIC mode, so shouldn't matter n.e.ways (hopefully)
*/
-static void assign_alt_irq (struct pci_func *cur_func, u8 class_code)
+static void assign_alt_irq(struct pci_func *cur_func, u8 class_code)
{
int j;
for (j = 0; j < 4; j++) {
@@ -78,7 +78,7 @@ static void assign_alt_irq (struct pci_func *cur_func, u8 class_code)
* if there is an error, will need to go through all previous functions and
* unconfigure....or can add some code into unconfigure_card....
*/
-int ibmphp_configure_card (struct pci_func *func, u8 slotno)
+int ibmphp_configure_card(struct pci_func *func, u8 slotno)
{
u16 vendor_id;
u32 class;
@@ -92,7 +92,7 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
u8 flag;
u8 valid_device = 0x00; /* to see if we are able to read from card any device info at all */
- debug ("inside configure_card, func->busno = %x\n", func->busno);
+ debug("inside configure_card, func->busno = %x\n", func->busno);
device = func->device;
cur_func = func;
@@ -109,15 +109,15 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
cur_func->function = function;
- debug ("inside the loop, cur_func->busno = %x, cur_func->device = %x, cur_func->function = %x\n",
+ debug("inside the loop, cur_func->busno = %x, cur_func->device = %x, cur_func->function = %x\n",
cur_func->busno, cur_func->device, cur_func->function);
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
- debug ("vendor_id is %x\n", vendor_id);
+ debug("vendor_id is %x\n", vendor_id);
if (vendor_id != PCI_VENDOR_ID_NOTVALID) {
/* found correct device!!! */
- debug ("found valid device, vendor_id = %x\n", vendor_id);
+ debug("found valid device, vendor_id = %x\n", vendor_id);
++valid_device;
@@ -126,29 +126,29 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
* |_=> 0 = single function device, 1 = multi-function device
*/
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_CLASS_REVISION, &class);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, PCI_CLASS_REVISION, &class);
class_code = class >> 24;
- debug ("hrd_type = %x, class = %x, class_code %x\n", hdr_type, class, class_code);
+ debug("hrd_type = %x, class = %x, class_code %x\n", hdr_type, class, class_code);
class >>= 8; /* to take revision out, class = class.subclass.prog i/f */
if (class == PCI_CLASS_NOT_DEFINED_VGA) {
- err ("The device %x is VGA compatible and as is not supported for hot plugging. "
+ err("The device %x is VGA compatible and as is not supported for hot plugging. "
"Please choose another device.\n", cur_func->device);
return -ENODEV;
} else if (class == PCI_CLASS_DISPLAY_VGA) {
- err ("The device %x is not supported for hot plugging. Please choose another device.\n",
+ err("The device %x is not supported for hot plugging. Please choose another device.\n",
cur_func->device);
return -ENODEV;
}
switch (hdr_type) {
case PCI_HEADER_TYPE_NORMAL:
- debug ("single device case.... vendor id = %x, hdr_type = %x, class = %x\n", vendor_id, hdr_type, class);
- assign_alt_irq (cur_func, class_code);
+ debug("single device case.... vendor id = %x, hdr_type = %x, class = %x\n", vendor_id, hdr_type, class);
+ assign_alt_irq(cur_func, class_code);
rc = configure_device(cur_func);
if (rc < 0) {
/* We need to do this in case some other BARs were properly inserted */
- err ("was not able to configure devfunc %x on bus %x.\n",
+ err("was not able to configure devfunc %x on bus %x.\n",
cur_func->device, cur_func->busno);
cleanup_count = 6;
goto error;
@@ -157,18 +157,18 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
function = 0x8;
break;
case PCI_HEADER_TYPE_MULTIDEVICE:
- assign_alt_irq (cur_func, class_code);
+ assign_alt_irq(cur_func, class_code);
rc = configure_device(cur_func);
if (rc < 0) {
/* We need to do this in case some other BARs were properly inserted */
- err ("was not able to configure devfunc %x on bus %x...bailing out\n",
+ err("was not able to configure devfunc %x on bus %x...bailing out\n",
cur_func->device, cur_func->busno);
cleanup_count = 6;
goto error;
}
newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
if (!newfunc) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
newfunc->busno = cur_func->busno;
@@ -181,32 +181,32 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
case PCI_HEADER_TYPE_MULTIBRIDGE:
class >>= 8;
if (class != PCI_CLASS_BRIDGE_PCI) {
- err ("This %x is not PCI-to-PCI bridge, and as is not supported for hot-plugging. Please insert another card.\n",
+ err("This %x is not PCI-to-PCI bridge, and as is not supported for hot-plugging. Please insert another card.\n",
cur_func->device);
return -ENODEV;
}
- assign_alt_irq (cur_func, class_code);
- rc = configure_bridge (&cur_func, slotno);
+ assign_alt_irq(cur_func, class_code);
+ rc = configure_bridge(&cur_func, slotno);
if (rc == -ENODEV) {
- err ("You chose to insert Single Bridge, or nested bridges, this is not supported...\n");
- err ("Bus %x, devfunc %x\n", cur_func->busno, cur_func->device);
+ err("You chose to insert Single Bridge, or nested bridges, this is not supported...\n");
+ err("Bus %x, devfunc %x\n", cur_func->busno, cur_func->device);
return rc;
}
if (rc) {
/* We need to do this in case some other BARs were properly inserted */
- err ("was not able to hot-add PPB properly.\n");
+ err("was not able to hot-add PPB properly.\n");
func->bus = 1; /* To indicate to the unconfigure function that this is a PPB */
cleanup_count = 2;
goto error;
}
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
flag = 0;
for (i = 0; i < 32; i++) {
if (func->devices[i]) {
newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
if (!newfunc) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
newfunc->busno = sec_number;
@@ -220,7 +220,7 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
} else
cur_func->next = newfunc;
- rc = ibmphp_configure_card (newfunc, slotno);
+ rc = ibmphp_configure_card(newfunc, slotno);
/* This could only happen if kmalloc failed */
if (rc) {
/* We need to do this in case bridge itself got configured properly, but devices behind it failed */
@@ -234,53 +234,53 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
if (!newfunc) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
newfunc->busno = cur_func->busno;
newfunc->device = device;
for (j = 0; j < 4; j++)
newfunc->irq[j] = cur_func->irq[j];
- for (prev_func = cur_func; prev_func->next; prev_func = prev_func->next) ;
+ for (prev_func = cur_func; prev_func->next; prev_func = prev_func->next);
prev_func->next = newfunc;
cur_func = newfunc;
break;
case PCI_HEADER_TYPE_BRIDGE:
class >>= 8;
- debug ("class now is %x\n", class);
+ debug("class now is %x\n", class);
if (class != PCI_CLASS_BRIDGE_PCI) {
- err ("This %x is not PCI-to-PCI bridge, and as is not supported for hot-plugging. Please insert another card.\n",
+ err("This %x is not PCI-to-PCI bridge, and as is not supported for hot-plugging. Please insert another card.\n",
cur_func->device);
return -ENODEV;
}
- assign_alt_irq (cur_func, class_code);
+ assign_alt_irq(cur_func, class_code);
- debug ("cur_func->busno b4 configure_bridge is %x\n", cur_func->busno);
- rc = configure_bridge (&cur_func, slotno);
+ debug("cur_func->busno b4 configure_bridge is %x\n", cur_func->busno);
+ rc = configure_bridge(&cur_func, slotno);
if (rc == -ENODEV) {
- err ("You chose to insert Single Bridge, or nested bridges, this is not supported...\n");
- err ("Bus %x, devfunc %x\n", cur_func->busno, cur_func->device);
+ err("You chose to insert Single Bridge, or nested bridges, this is not supported...\n");
+ err("Bus %x, devfunc %x\n", cur_func->busno, cur_func->device);
return rc;
}
if (rc) {
/* We need to do this in case some other BARs were properly inserted */
func->bus = 1; /* To indicate to the unconfigure function that this is a PPB */
- err ("was not able to hot-add PPB properly.\n");
+ err("was not able to hot-add PPB properly.\n");
cleanup_count = 2;
goto error;
}
- debug ("cur_func->busno = %x, device = %x, function = %x\n",
+ debug("cur_func->busno = %x, device = %x, function = %x\n",
cur_func->busno, device, function);
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
- debug ("after configuring bridge..., sec_number = %x\n", sec_number);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
+ debug("after configuring bridge..., sec_number = %x\n", sec_number);
flag = 0;
for (i = 0; i < 32; i++) {
if (func->devices[i]) {
- debug ("inside for loop, device is %x\n", i);
+ debug("inside for loop, device is %x\n", i);
newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
if (!newfunc) {
- err (" out of system memory\n");
+ err(" out of system memory\n");
return -ENOMEM;
}
newfunc->busno = sec_number;
@@ -289,12 +289,12 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
newfunc->irq[j] = cur_func->irq[j];
if (flag) {
- for (prev_func = cur_func; prev_func->next; prev_func = prev_func->next) ;
+ for (prev_func = cur_func; prev_func->next; prev_func = prev_func->next);
prev_func->next = newfunc;
} else
cur_func->next = newfunc;
- rc = ibmphp_configure_card (newfunc, slotno);
+ rc = ibmphp_configure_card(newfunc, slotno);
/* Again, this case should not happen... For complete paranoia, will need to call remove_bus */
if (rc) {
@@ -310,7 +310,7 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
function = 0x8;
break;
default:
- err ("MAJOR PROBLEM!!!!, header type not supported? %x\n", hdr_type);
+ err("MAJOR PROBLEM!!!!, header type not supported? %x\n", hdr_type);
return -ENXIO;
break;
} /* end of switch */
@@ -318,7 +318,7 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
} /* end of for */
if (!valid_device) {
- err ("Cannot find any valid devices on the card. Or unable to read from card.\n");
+ err("Cannot find any valid devices on the card. Or unable to read from card.\n");
return -ENODEV;
}
@@ -327,13 +327,13 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
error:
for (i = 0; i < cleanup_count; i++) {
if (cur_func->io[i]) {
- ibmphp_remove_resource (cur_func->io[i]);
+ ibmphp_remove_resource(cur_func->io[i]);
cur_func->io[i] = NULL;
} else if (cur_func->pfmem[i]) {
- ibmphp_remove_resource (cur_func->pfmem[i]);
+ ibmphp_remove_resource(cur_func->pfmem[i]);
cur_func->pfmem[i] = NULL;
} else if (cur_func->mem[i]) {
- ibmphp_remove_resource (cur_func->mem[i]);
+ ibmphp_remove_resource(cur_func->mem[i]);
cur_func->mem[i] = NULL;
}
}
@@ -345,7 +345,7 @@ error:
* Input: pointer to the pci_func
* Output: configured PCI, 0, or error
*/
-static int configure_device (struct pci_func *func)
+static int configure_device(struct pci_func *func)
{
u32 bar[6];
u32 address[] = {
@@ -366,7 +366,7 @@ static int configure_device (struct pci_func *func)
struct resource_node *pfmem[6];
unsigned int devfn;
- debug ("%s - inside\n", __func__);
+ debug("%s - inside\n", __func__);
devfn = PCI_DEVFN(func->device, func->function);
ibmphp_pci_bus->number = func->busno;
@@ -386,27 +386,27 @@ static int configure_device (struct pci_func *func)
pcibios_write_config_dword(cur_func->busno, cur_func->device,
PCI_BASE_ADDRESS_0 + 4 * count, 0xFFFFFFFF);
*/
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, address[count], &bar[count]);
if (!bar[count]) /* This BAR is not implemented */
continue;
- debug ("Device %x BAR %d wants %x\n", func->device, count, bar[count]);
+ debug("Device %x BAR %d wants %x\n", func->device, count, bar[count]);
if (bar[count] & PCI_BASE_ADDRESS_SPACE_IO) {
/* This is IO */
- debug ("inside IO SPACE\n");
+ debug("inside IO SPACE\n");
len[count] = bar[count] & 0xFFFFFFFC;
len[count] = ~len[count] + 1;
- debug ("len[count] in IO %x, count %d\n", len[count], count);
+ debug("len[count] in IO %x, count %d\n", len[count], count);
io[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
if (!io[count]) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
io[count]->type = IO;
@@ -414,36 +414,36 @@ static int configure_device (struct pci_func *func)
io[count]->devfunc = PCI_DEVFN(func->device, func->function);
io[count]->len = len[count];
if (ibmphp_check_resource(io[count], 0) == 0) {
- ibmphp_add_resource (io[count]);
+ ibmphp_add_resource(io[count]);
func->io[count] = io[count];
} else {
- err ("cannot allocate requested io for bus %x device %x function %x len %x\n",
+ err("cannot allocate requested io for bus %x device %x function %x len %x\n",
func->busno, func->device, func->function, len[count]);
- kfree (io[count]);
+ kfree(io[count]);
return -EIO;
}
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->io[count]->start);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->io[count]->start);
/* _______________This is for debugging purposes only_____________________ */
- debug ("b4 writing, the IO address is %x\n", func->io[count]->start);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
- debug ("after writing.... the start address is %x\n", bar[count]);
+ debug("b4 writing, the IO address is %x\n", func->io[count]->start);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, address[count], &bar[count]);
+ debug("after writing.... the start address is %x\n", bar[count]);
/* _________________________________________________________________________*/
} else {
/* This is Memory */
if (bar[count] & PCI_BASE_ADDRESS_MEM_PREFETCH) {
/* pfmem */
- debug ("PFMEM SPACE\n");
+ debug("PFMEM SPACE\n");
len[count] = bar[count] & 0xFFFFFFF0;
len[count] = ~len[count] + 1;
- debug ("len[count] in PFMEM %x, count %d\n", len[count], count);
+ debug("len[count] in PFMEM %x, count %d\n", len[count], count);
pfmem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
if (!pfmem[count]) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
pfmem[count]->type = PFMEM;
@@ -452,64 +452,64 @@ static int configure_device (struct pci_func *func)
func->function);
pfmem[count]->len = len[count];
pfmem[count]->fromMem = 0;
- if (ibmphp_check_resource (pfmem[count], 0) == 0) {
- ibmphp_add_resource (pfmem[count]);
+ if (ibmphp_check_resource(pfmem[count], 0) == 0) {
+ ibmphp_add_resource(pfmem[count]);
func->pfmem[count] = pfmem[count];
} else {
mem_tmp = kzalloc(sizeof(*mem_tmp), GFP_KERNEL);
if (!mem_tmp) {
- err ("out of system memory\n");
- kfree (pfmem[count]);
+ err("out of system memory\n");
+ kfree(pfmem[count]);
return -ENOMEM;
}
mem_tmp->type = MEM;
mem_tmp->busno = pfmem[count]->busno;
mem_tmp->devfunc = pfmem[count]->devfunc;
mem_tmp->len = pfmem[count]->len;
- debug ("there's no pfmem... going into mem.\n");
- if (ibmphp_check_resource (mem_tmp, 0) == 0) {
- ibmphp_add_resource (mem_tmp);
+ debug("there's no pfmem... going into mem.\n");
+ if (ibmphp_check_resource(mem_tmp, 0) == 0) {
+ ibmphp_add_resource(mem_tmp);
pfmem[count]->fromMem = 1;
pfmem[count]->rangeno = mem_tmp->rangeno;
pfmem[count]->start = mem_tmp->start;
pfmem[count]->end = mem_tmp->end;
- ibmphp_add_pfmem_from_mem (pfmem[count]);
+ ibmphp_add_pfmem_from_mem(pfmem[count]);
func->pfmem[count] = pfmem[count];
} else {
- err ("cannot allocate requested pfmem for bus %x, device %x, len %x\n",
+ err("cannot allocate requested pfmem for bus %x, device %x, len %x\n",
func->busno, func->device, len[count]);
- kfree (mem_tmp);
- kfree (pfmem[count]);
+ kfree(mem_tmp);
+ kfree(pfmem[count]);
return -EIO;
}
}
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->pfmem[count]->start);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->pfmem[count]->start);
/*_______________This is for debugging purposes only______________________________*/
- debug ("b4 writing, start address is %x\n", func->pfmem[count]->start);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
- debug ("after writing, start address is %x\n", bar[count]);
+ debug("b4 writing, start address is %x\n", func->pfmem[count]->start);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, address[count], &bar[count]);
+ debug("after writing, start address is %x\n", bar[count]);
/*_________________________________________________________________________________*/
if (bar[count] & PCI_BASE_ADDRESS_MEM_TYPE_64) { /* takes up another dword */
- debug ("inside the mem 64 case, count %d\n", count);
+ debug("inside the mem 64 case, count %d\n", count);
count += 1;
/* on the 2nd dword, write all 0s, since we can't handle them n.e.ways */
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0x00000000);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], 0x00000000);
}
} else {
/* regular memory */
- debug ("REGULAR MEM SPACE\n");
+ debug("REGULAR MEM SPACE\n");
len[count] = bar[count] & 0xFFFFFFF0;
len[count] = ~len[count] + 1;
- debug ("len[count] in Mem %x, count %d\n", len[count], count);
+ debug("len[count] in Mem %x, count %d\n", len[count], count);
mem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
if (!mem[count]) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
mem[count]->type = MEM;
@@ -517,43 +517,43 @@ static int configure_device (struct pci_func *func)
mem[count]->devfunc = PCI_DEVFN(func->device,
func->function);
mem[count]->len = len[count];
- if (ibmphp_check_resource (mem[count], 0) == 0) {
- ibmphp_add_resource (mem[count]);
+ if (ibmphp_check_resource(mem[count], 0) == 0) {
+ ibmphp_add_resource(mem[count]);
func->mem[count] = mem[count];
} else {
- err ("cannot allocate requested mem for bus %x, device %x, len %x\n",
+ err("cannot allocate requested mem for bus %x, device %x, len %x\n",
func->busno, func->device, len[count]);
- kfree (mem[count]);
+ kfree(mem[count]);
return -EIO;
}
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->mem[count]->start);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->mem[count]->start);
/* _______________________This is for debugging purposes only _______________________*/
- debug ("b4 writing, start address is %x\n", func->mem[count]->start);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
- debug ("after writing, the address is %x\n", bar[count]);
+ debug("b4 writing, start address is %x\n", func->mem[count]->start);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, address[count], &bar[count]);
+ debug("after writing, the address is %x\n", bar[count]);
/* __________________________________________________________________________________*/
if (bar[count] & PCI_BASE_ADDRESS_MEM_TYPE_64) {
/* takes up another dword */
- debug ("inside mem 64 case, reg. mem, count %d\n", count);
+ debug("inside mem 64 case, reg. mem, count %d\n", count);
count += 1;
/* on the 2nd dword, write all 0s, since we can't handle them n.e.ways */
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0x00000000);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], 0x00000000);
}
}
} /* end of mem */
} /* end of for */
func->bus = 0; /* To indicate that this is not a PPB */
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_INTERRUPT_PIN, &irq);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_INTERRUPT_PIN, &irq);
if ((irq > 0x00) && (irq < 0x05))
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_INTERRUPT_LINE, func->irq[irq - 1]);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_INTERRUPT_LINE, func->irq[irq - 1]);
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_CACHE_LINE_SIZE, CACHE);
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_LATENCY_TIMER, LATENCY);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_CACHE_LINE_SIZE, CACHE);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_LATENCY_TIMER, LATENCY);
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, PCI_ROM_ADDRESS, 0x00L);
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_COMMAND, DEVICEENABLE);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, PCI_ROM_ADDRESS, 0x00L);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_COMMAND, DEVICEENABLE);
return 0;
}
@@ -563,7 +563,7 @@ static int configure_device (struct pci_func *func)
* Parameters: pci_func
* Returns:
******************************************************************************/
-static int configure_bridge (struct pci_func **func_passed, u8 slotno)
+static int configure_bridge(struct pci_func **func_passed, u8 slotno)
{
int count;
int i;
@@ -597,7 +597,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
u8 irq;
int retval;
- debug ("%s - enter\n", __func__);
+ debug("%s - enter\n", __func__);
devfn = PCI_DEVFN(func->function, func->device);
ibmphp_pci_bus->number = func->busno;
@@ -606,43 +606,43 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
* behind it
*/
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_PRIMARY_BUS, func->busno);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_PRIMARY_BUS, func->busno);
/* _____________________For debugging purposes only __________________________
- pci_bus_config_byte (ibmphp_pci_bus, devfn, PCI_PRIMARY_BUS, &pri_number);
- debug ("primary # written into the bridge is %x\n", pri_number);
+ pci_bus_config_byte(ibmphp_pci_bus, devfn, PCI_PRIMARY_BUS, &pri_number);
+ debug("primary # written into the bridge is %x\n", pri_number);
___________________________________________________________________________*/
/* in EBDA, only get allocated 1 additional bus # per slot */
- sec_number = find_sec_number (func->busno, slotno);
+ sec_number = find_sec_number(func->busno, slotno);
if (sec_number == 0xff) {
- err ("cannot allocate secondary bus number for the bridged device\n");
+ err("cannot allocate secondary bus number for the bridged device\n");
return -EINVAL;
}
- debug ("after find_sec_number, the number we got is %x\n", sec_number);
- debug ("AFTER FIND_SEC_NUMBER, func->busno IS %x\n", func->busno);
+ debug("after find_sec_number, the number we got is %x\n", sec_number);
+ debug("AFTER FIND_SEC_NUMBER, func->busno IS %x\n", func->busno);
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, sec_number);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, sec_number);
/* __________________For debugging purposes only __________________________________
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
- debug ("sec_number after write/read is %x\n", sec_number);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
+ debug("sec_number after write/read is %x\n", sec_number);
________________________________________________________________________________*/
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_SUBORDINATE_BUS, sec_number);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_SUBORDINATE_BUS, sec_number);
/* __________________For debugging purposes only ____________________________________
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SUBORDINATE_BUS, &sec_number);
- debug ("subordinate number after write/read is %x\n", sec_number);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_SUBORDINATE_BUS, &sec_number);
+ debug("subordinate number after write/read is %x\n", sec_number);
__________________________________________________________________________________*/
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_CACHE_LINE_SIZE, CACHE);
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_LATENCY_TIMER, LATENCY);
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_SEC_LATENCY_TIMER, LATENCY);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_CACHE_LINE_SIZE, CACHE);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_LATENCY_TIMER, LATENCY);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_SEC_LATENCY_TIMER, LATENCY);
- debug ("func->busno is %x\n", func->busno);
- debug ("sec_number after writing is %x\n", sec_number);
+ debug("func->busno is %x\n", func->busno);
+ debug("sec_number after writing is %x\n", sec_number);
/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
@@ -652,29 +652,29 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
/* First we need to allocate mem/io for the bridge itself in case it needs it */
for (count = 0; address[count]; count++) { /* for 2 BARs */
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, address[count], &bar[count]);
if (!bar[count]) {
/* This BAR is not implemented */
- debug ("so we come here then, eh?, count = %d\n", count);
+ debug("so we come here then, eh?, count = %d\n", count);
continue;
}
// tmp_bar = bar[count];
- debug ("Bar %d wants %x\n", count, bar[count]);
+ debug("Bar %d wants %x\n", count, bar[count]);
if (bar[count] & PCI_BASE_ADDRESS_SPACE_IO) {
/* This is IO */
len[count] = bar[count] & 0xFFFFFFFC;
len[count] = ~len[count] + 1;
- debug ("len[count] in IO = %x\n", len[count]);
+ debug("len[count] in IO = %x\n", len[count]);
bus_io[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
if (!bus_io[count]) {
- err ("out of system memory\n");
+ err("out of system memory\n");
retval = -ENOMEM;
goto error;
}
@@ -683,17 +683,17 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
bus_io[count]->devfunc = PCI_DEVFN(func->device,
func->function);
bus_io[count]->len = len[count];
- if (ibmphp_check_resource (bus_io[count], 0) == 0) {
- ibmphp_add_resource (bus_io[count]);
+ if (ibmphp_check_resource(bus_io[count], 0) == 0) {
+ ibmphp_add_resource(bus_io[count]);
func->io[count] = bus_io[count];
} else {
- err ("cannot allocate requested io for bus %x, device %x, len %x\n",
+ err("cannot allocate requested io for bus %x, device %x, len %x\n",
func->busno, func->device, len[count]);
- kfree (bus_io[count]);
+ kfree(bus_io[count]);
return -EIO;
}
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->io[count]->start);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->io[count]->start);
} else {
/* This is Memory */
@@ -702,11 +702,11 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
len[count] = bar[count] & 0xFFFFFFF0;
len[count] = ~len[count] + 1;
- debug ("len[count] in PFMEM = %x\n", len[count]);
+ debug("len[count] in PFMEM = %x\n", len[count]);
bus_pfmem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
if (!bus_pfmem[count]) {
- err ("out of system memory\n");
+ err("out of system memory\n");
retval = -ENOMEM;
goto error;
}
@@ -716,13 +716,13 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
func->function);
bus_pfmem[count]->len = len[count];
bus_pfmem[count]->fromMem = 0;
- if (ibmphp_check_resource (bus_pfmem[count], 0) == 0) {
- ibmphp_add_resource (bus_pfmem[count]);
+ if (ibmphp_check_resource(bus_pfmem[count], 0) == 0) {
+ ibmphp_add_resource(bus_pfmem[count]);
func->pfmem[count] = bus_pfmem[count];
} else {
mem_tmp = kzalloc(sizeof(*mem_tmp), GFP_KERNEL);
if (!mem_tmp) {
- err ("out of system memory\n");
+ err("out of system memory\n");
retval = -ENOMEM;
goto error;
}
@@ -730,28 +730,28 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
mem_tmp->busno = bus_pfmem[count]->busno;
mem_tmp->devfunc = bus_pfmem[count]->devfunc;
mem_tmp->len = bus_pfmem[count]->len;
- if (ibmphp_check_resource (mem_tmp, 0) == 0) {
- ibmphp_add_resource (mem_tmp);
+ if (ibmphp_check_resource(mem_tmp, 0) == 0) {
+ ibmphp_add_resource(mem_tmp);
bus_pfmem[count]->fromMem = 1;
bus_pfmem[count]->rangeno = mem_tmp->rangeno;
- ibmphp_add_pfmem_from_mem (bus_pfmem[count]);
+ ibmphp_add_pfmem_from_mem(bus_pfmem[count]);
func->pfmem[count] = bus_pfmem[count];
} else {
- err ("cannot allocate requested pfmem for bus %x, device %x, len %x\n",
+ err("cannot allocate requested pfmem for bus %x, device %x, len %x\n",
func->busno, func->device, len[count]);
- kfree (mem_tmp);
- kfree (bus_pfmem[count]);
+ kfree(mem_tmp);
+ kfree(bus_pfmem[count]);
return -EIO;
}
}
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->pfmem[count]->start);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->pfmem[count]->start);
if (bar[count] & PCI_BASE_ADDRESS_MEM_TYPE_64) {
/* takes up another dword */
count += 1;
/* on the 2nd dword, write all 0s, since we can't handle them n.e.ways */
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0x00000000);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], 0x00000000);
}
} else {
@@ -759,11 +759,11 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
len[count] = bar[count] & 0xFFFFFFF0;
len[count] = ~len[count] + 1;
- debug ("len[count] in Memory is %x\n", len[count]);
+ debug("len[count] in Memory is %x\n", len[count]);
bus_mem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
if (!bus_mem[count]) {
- err ("out of system memory\n");
+ err("out of system memory\n");
retval = -ENOMEM;
goto error;
}
@@ -772,23 +772,23 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
bus_mem[count]->devfunc = PCI_DEVFN(func->device,
func->function);
bus_mem[count]->len = len[count];
- if (ibmphp_check_resource (bus_mem[count], 0) == 0) {
- ibmphp_add_resource (bus_mem[count]);
+ if (ibmphp_check_resource(bus_mem[count], 0) == 0) {
+ ibmphp_add_resource(bus_mem[count]);
func->mem[count] = bus_mem[count];
} else {
- err ("cannot allocate requested mem for bus %x, device %x, len %x\n",
+ err("cannot allocate requested mem for bus %x, device %x, len %x\n",
func->busno, func->device, len[count]);
- kfree (bus_mem[count]);
+ kfree(bus_mem[count]);
return -EIO;
}
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->mem[count]->start);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->mem[count]->start);
if (bar[count] & PCI_BASE_ADDRESS_MEM_TYPE_64) {
/* takes up another dword */
count += 1;
/* on the 2nd dword, write all 0s, since we can't handle them n.e.ways */
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0x00000000);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], 0x00000000);
}
}
@@ -796,45 +796,45 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
} /* end of for */
/* Now need to see how much space the devices behind the bridge needed */
- amount_needed = scan_behind_bridge (func, sec_number);
+ amount_needed = scan_behind_bridge(func, sec_number);
if (amount_needed == NULL)
return -ENOMEM;
ibmphp_pci_bus->number = func->busno;
- debug ("after coming back from scan_behind_bridge\n");
- debug ("amount_needed->not_correct = %x\n", amount_needed->not_correct);
- debug ("amount_needed->io = %x\n", amount_needed->io);
- debug ("amount_needed->mem = %x\n", amount_needed->mem);
- debug ("amount_needed->pfmem = %x\n", amount_needed->pfmem);
+ debug("after coming back from scan_behind_bridge\n");
+ debug("amount_needed->not_correct = %x\n", amount_needed->not_correct);
+ debug("amount_needed->io = %x\n", amount_needed->io);
+ debug("amount_needed->mem = %x\n", amount_needed->mem);
+ debug("amount_needed->pfmem = %x\n", amount_needed->pfmem);
if (amount_needed->not_correct) {
- debug ("amount_needed is not correct\n");
+ debug("amount_needed is not correct\n");
for (count = 0; address[count]; count++) {
/* for 2 BARs */
if (bus_io[count]) {
- ibmphp_remove_resource (bus_io[count]);
+ ibmphp_remove_resource(bus_io[count]);
func->io[count] = NULL;
} else if (bus_pfmem[count]) {
- ibmphp_remove_resource (bus_pfmem[count]);
+ ibmphp_remove_resource(bus_pfmem[count]);
func->pfmem[count] = NULL;
} else if (bus_mem[count]) {
- ibmphp_remove_resource (bus_mem[count]);
+ ibmphp_remove_resource(bus_mem[count]);
func->mem[count] = NULL;
}
}
- kfree (amount_needed);
+ kfree(amount_needed);
return -ENODEV;
}
if (!amount_needed->io) {
- debug ("it doesn't want IO?\n");
+ debug("it doesn't want IO?\n");
flag_io = 1;
} else {
- debug ("it wants %x IO behind the bridge\n", amount_needed->io);
+ debug("it wants %x IO behind the bridge\n", amount_needed->io);
io = kzalloc(sizeof(*io), GFP_KERNEL);
if (!io) {
- err ("out of system memory\n");
+ err("out of system memory\n");
retval = -ENOMEM;
goto error;
}
@@ -842,21 +842,21 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
io->busno = func->busno;
io->devfunc = PCI_DEVFN(func->device, func->function);
io->len = amount_needed->io;
- if (ibmphp_check_resource (io, 1) == 0) {
- debug ("were we able to add io\n");
- ibmphp_add_resource (io);
+ if (ibmphp_check_resource(io, 1) == 0) {
+ debug("were we able to add io\n");
+ ibmphp_add_resource(io);
flag_io = 1;
}
}
if (!amount_needed->mem) {
- debug ("it doesn't want n.e.memory?\n");
+ debug("it doesn't want n.e.memory?\n");
flag_mem = 1;
} else {
- debug ("it wants %x memory behind the bridge\n", amount_needed->mem);
+ debug("it wants %x memory behind the bridge\n", amount_needed->mem);
mem = kzalloc(sizeof(*mem), GFP_KERNEL);
if (!mem) {
- err ("out of system memory\n");
+ err("out of system memory\n");
retval = -ENOMEM;
goto error;
}
@@ -864,21 +864,21 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
mem->busno = func->busno;
mem->devfunc = PCI_DEVFN(func->device, func->function);
mem->len = amount_needed->mem;
- if (ibmphp_check_resource (mem, 1) == 0) {
- ibmphp_add_resource (mem);
+ if (ibmphp_check_resource(mem, 1) == 0) {
+ ibmphp_add_resource(mem);
flag_mem = 1;
- debug ("were we able to add mem\n");
+ debug("were we able to add mem\n");
}
}
if (!amount_needed->pfmem) {
- debug ("it doesn't want n.e.pfmem mem?\n");
+ debug("it doesn't want n.e.pfmem mem?\n");
flag_pfmem = 1;
} else {
- debug ("it wants %x pfmemory behind the bridge\n", amount_needed->pfmem);
+ debug("it wants %x pfmemory behind the bridge\n", amount_needed->pfmem);
pfmem = kzalloc(sizeof(*pfmem), GFP_KERNEL);
if (!pfmem) {
- err ("out of system memory\n");
+ err("out of system memory\n");
retval = -ENOMEM;
goto error;
}
@@ -887,13 +887,13 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
pfmem->devfunc = PCI_DEVFN(func->device, func->function);
pfmem->len = amount_needed->pfmem;
pfmem->fromMem = 0;
- if (ibmphp_check_resource (pfmem, 1) == 0) {
- ibmphp_add_resource (pfmem);
+ if (ibmphp_check_resource(pfmem, 1) == 0) {
+ ibmphp_add_resource(pfmem);
flag_pfmem = 1;
} else {
mem_tmp = kzalloc(sizeof(*mem_tmp), GFP_KERNEL);
if (!mem_tmp) {
- err ("out of system memory\n");
+ err("out of system memory\n");
retval = -ENOMEM;
goto error;
}
@@ -901,18 +901,18 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
mem_tmp->busno = pfmem->busno;
mem_tmp->devfunc = pfmem->devfunc;
mem_tmp->len = pfmem->len;
- if (ibmphp_check_resource (mem_tmp, 1) == 0) {
- ibmphp_add_resource (mem_tmp);
+ if (ibmphp_check_resource(mem_tmp, 1) == 0) {
+ ibmphp_add_resource(mem_tmp);
pfmem->fromMem = 1;
pfmem->rangeno = mem_tmp->rangeno;
- ibmphp_add_pfmem_from_mem (pfmem);
+ ibmphp_add_pfmem_from_mem(pfmem);
flag_pfmem = 1;
}
}
}
- debug ("b4 if (flag_io && flag_mem && flag_pfmem)\n");
- debug ("flag_io = %x, flag_mem = %x, flag_pfmem = %x\n", flag_io, flag_mem, flag_pfmem);
+ debug("b4 if (flag_io && flag_mem && flag_pfmem)\n");
+ debug("flag_io = %x, flag_mem = %x, flag_pfmem = %x\n", flag_io, flag_mem, flag_pfmem);
if (flag_io && flag_mem && flag_pfmem) {
/* If on bootup, there was a bridged card in this slot,
@@ -920,127 +920,127 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
* back again, there's no way for us to remove the bus
* struct, so no need to kmalloc, can use existing node
*/
- bus = ibmphp_find_res_bus (sec_number);
+ bus = ibmphp_find_res_bus(sec_number);
if (!bus) {
bus = kzalloc(sizeof(*bus), GFP_KERNEL);
if (!bus) {
- err ("out of system memory\n");
+ err("out of system memory\n");
retval = -ENOMEM;
goto error;
}
bus->busno = sec_number;
- debug ("b4 adding new bus\n");
- rc = add_new_bus (bus, io, mem, pfmem, func->busno);
+ debug("b4 adding new bus\n");
+ rc = add_new_bus(bus, io, mem, pfmem, func->busno);
} else if (!(bus->rangeIO) && !(bus->rangeMem) && !(bus->rangePFMem))
- rc = add_new_bus (bus, io, mem, pfmem, 0xFF);
+ rc = add_new_bus(bus, io, mem, pfmem, 0xFF);
else {
- err ("expected bus structure not empty?\n");
+ err("expected bus structure not empty?\n");
retval = -EIO;
goto error;
}
if (rc) {
if (rc == -ENOMEM) {
- ibmphp_remove_bus (bus, func->busno);
- kfree (amount_needed);
+ ibmphp_remove_bus(bus, func->busno);
+ kfree(amount_needed);
return rc;
}
retval = rc;
goto error;
}
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, &io_base);
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, &pfmem_base);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_IO_BASE, &io_base);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, &pfmem_base);
if ((io_base & PCI_IO_RANGE_TYPE_MASK) == PCI_IO_RANGE_TYPE_32) {
- debug ("io 32\n");
+ debug("io 32\n");
need_io_upper = 1;
}
if ((pfmem_base & PCI_PREF_RANGE_TYPE_MASK) == PCI_PREF_RANGE_TYPE_64) {
- debug ("pfmem 64\n");
+ debug("pfmem 64\n");
need_pfmem_upper = 1;
}
if (bus->noIORanges) {
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, 0x00 | bus->rangeIO->start >> 8);
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_IO_LIMIT, 0x00 | bus->rangeIO->end >> 8);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_IO_BASE, 0x00 | bus->rangeIO->start >> 8);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_IO_LIMIT, 0x00 | bus->rangeIO->end >> 8);
/* _______________This is for debugging purposes only ____________________
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, &temp);
- debug ("io_base = %x\n", (temp & PCI_IO_RANGE_TYPE_MASK) << 8);
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_LIMIT, &temp);
- debug ("io_limit = %x\n", (temp & PCI_IO_RANGE_TYPE_MASK) << 8);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_IO_BASE, &temp);
+ debug("io_base = %x\n", (temp & PCI_IO_RANGE_TYPE_MASK) << 8);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_IO_LIMIT, &temp);
+ debug("io_limit = %x\n", (temp & PCI_IO_RANGE_TYPE_MASK) << 8);
________________________________________________________________________*/
if (need_io_upper) { /* since can't support n.e.ways */
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_IO_BASE_UPPER16, 0x0000);
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_IO_LIMIT_UPPER16, 0x0000);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_IO_BASE_UPPER16, 0x0000);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_IO_LIMIT_UPPER16, 0x0000);
}
} else {
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, 0x00);
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_IO_LIMIT, 0x00);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_IO_BASE, 0x00);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_IO_LIMIT, 0x00);
}
if (bus->noMemRanges) {
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, 0x0000 | bus->rangeMem->start >> 16);
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, 0x0000 | bus->rangeMem->end >> 16);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, 0x0000 | bus->rangeMem->start >> 16);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, 0x0000 | bus->rangeMem->end >> 16);
/* ____________________This is for debugging purposes only ________________________
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, &temp);
- debug ("mem_base = %x\n", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, &temp);
- debug ("mem_limit = %x\n", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, &temp);
+ debug("mem_base = %x\n", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, &temp);
+ debug("mem_limit = %x\n", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
__________________________________________________________________________________*/
} else {
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, 0xffff);
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, 0x0000);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, 0xffff);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, 0x0000);
}
if (bus->noPFMemRanges) {
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, 0x0000 | bus->rangePFMem->start >> 16);
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, 0x0000 | bus->rangePFMem->end >> 16);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, 0x0000 | bus->rangePFMem->start >> 16);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, 0x0000 | bus->rangePFMem->end >> 16);
/* __________________________This is for debugging purposes only _______________________
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, &temp);
- debug ("pfmem_base = %x", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, &temp);
- debug ("pfmem_limit = %x\n", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, &temp);
+ debug("pfmem_base = %x", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, &temp);
+ debug("pfmem_limit = %x\n", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
______________________________________________________________________________________*/
if (need_pfmem_upper) { /* since can't support n.e.ways */
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, PCI_PREF_BASE_UPPER32, 0x00000000);
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, PCI_PREF_LIMIT_UPPER32, 0x00000000);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, PCI_PREF_BASE_UPPER32, 0x00000000);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, PCI_PREF_LIMIT_UPPER32, 0x00000000);
}
} else {
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, 0xffff);
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, 0x0000);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, 0xffff);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, 0x0000);
}
- debug ("b4 writing control information\n");
+ debug("b4 writing control information\n");
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_INTERRUPT_PIN, &irq);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_INTERRUPT_PIN, &irq);
if ((irq > 0x00) && (irq < 0x05))
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_INTERRUPT_LINE, func->irq[irq - 1]);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_INTERRUPT_LINE, func->irq[irq - 1]);
/*
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, ctrl);
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, PCI_BRIDGE_CTL_PARITY);
- pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, PCI_BRIDGE_CTL_SERR);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, ctrl);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, PCI_BRIDGE_CTL_PARITY);
+ pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, PCI_BRIDGE_CTL_SERR);
*/
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_COMMAND, DEVICEENABLE);
- pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, 0x07);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_COMMAND, DEVICEENABLE);
+ pci_bus_write_config_word(ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, 0x07);
for (i = 0; i < 32; i++) {
if (amount_needed->devices[i]) {
- debug ("device where devices[i] is 1 = %x\n", i);
+ debug("device where devices[i] is 1 = %x\n", i);
func->devices[i] = 1;
}
}
func->bus = 1; /* For unconfiguring, to indicate it's PPB */
func_passed = &func;
- debug ("func->busno b4 returning is %x\n", func->busno);
- debug ("func->busno b4 returning in the other structure is %x\n", (*func_passed)->busno);
- kfree (amount_needed);
+ debug("func->busno b4 returning is %x\n", func->busno);
+ debug("func->busno b4 returning in the other structure is %x\n", (*func_passed)->busno);
+ kfree(amount_needed);
return 0;
} else {
- err ("Configuring bridge was unsuccessful...\n");
+ err("Configuring bridge was unsuccessful...\n");
mem_tmp = NULL;
retval = -EIO;
goto error;
@@ -1049,20 +1049,20 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
error:
kfree(amount_needed);
if (pfmem)
- ibmphp_remove_resource (pfmem);
+ ibmphp_remove_resource(pfmem);
if (io)
- ibmphp_remove_resource (io);
+ ibmphp_remove_resource(io);
if (mem)
- ibmphp_remove_resource (mem);
+ ibmphp_remove_resource(mem);
for (i = 0; i < 2; i++) { /* for 2 BARs */
if (bus_io[i]) {
- ibmphp_remove_resource (bus_io[i]);
+ ibmphp_remove_resource(bus_io[i]);
func->io[i] = NULL;
} else if (bus_pfmem[i]) {
- ibmphp_remove_resource (bus_pfmem[i]);
+ ibmphp_remove_resource(bus_pfmem[i]);
func->pfmem[i] = NULL;
} else if (bus_mem[i]) {
- ibmphp_remove_resource (bus_mem[i]);
+ ibmphp_remove_resource(bus_mem[i]);
func->mem[i] = NULL;
}
}
@@ -1075,7 +1075,7 @@ error:
* Input: bridge function
* Output: amount of resources needed
*****************************************************************************/
-static struct res_needed *scan_behind_bridge (struct pci_func *func, u8 busno)
+static struct res_needed *scan_behind_bridge(struct pci_func *func, u8 busno)
{
int count, len[6];
u16 vendor_id;
@@ -1102,36 +1102,36 @@ static struct res_needed *scan_behind_bridge (struct pci_func *func, u8 busno)
ibmphp_pci_bus->number = busno;
- debug ("the bus_no behind the bridge is %x\n", busno);
- debug ("scanning devices behind the bridge...\n");
+ debug("the bus_no behind the bridge is %x\n", busno);
+ debug("scanning devices behind the bridge...\n");
for (device = 0; device < 32; device++) {
amount->devices[device] = 0;
for (function = 0; function < 8; function++) {
devfn = PCI_DEVFN(device, function);
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
if (vendor_id != PCI_VENDOR_ID_NOTVALID) {
/* found correct device!!! */
howmany++;
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_CLASS_REVISION, &class);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, PCI_CLASS_REVISION, &class);
- debug ("hdr_type behind the bridge is %x\n", hdr_type);
- if (hdr_type & PCI_HEADER_TYPE_BRIDGE) {
- err ("embedded bridges not supported for hot-plugging.\n");
+ debug("hdr_type behind the bridge is %x\n", hdr_type);
+ if ((hdr_type & 0x7f) == PCI_HEADER_TYPE_BRIDGE) {
+ err("embedded bridges not supported for hot-plugging.\n");
amount->not_correct = 1;
return amount;
}
class >>= 8; /* to take revision out, class = class.subclass.prog i/f */
if (class == PCI_CLASS_NOT_DEFINED_VGA) {
- err ("The device %x is VGA compatible and as is not supported for hot plugging. Please choose another device.\n", device);
+ err("The device %x is VGA compatible and as is not supported for hot plugging. Please choose another device.\n", device);
amount->not_correct = 1;
return amount;
} else if (class == PCI_CLASS_DISPLAY_VGA) {
- err ("The device %x is not supported for hot plugging. Please choose another device.\n", device);
+ err("The device %x is not supported for hot plugging. Please choose another device.\n", device);
amount->not_correct = 1;
return amount;
}
@@ -1141,23 +1141,23 @@ static struct res_needed *scan_behind_bridge (struct pci_func *func, u8 busno)
for (count = 0; address[count]; count++) {
/* for 6 BARs */
/*
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, address[count], &tmp);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, address[count], &tmp);
if (tmp & 0x01) // IO
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFD);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFD);
else // MEMORY
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
*/
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, address[count], &bar[count]);
- debug ("what is bar[count]? %x, count = %d\n", bar[count], count);
+ debug("what is bar[count]? %x, count = %d\n", bar[count], count);
if (!bar[count]) /* This BAR is not implemented */
continue;
//tmp_bar = bar[count];
- debug ("count %d device %x function %x wants %x resources\n", count, device, function, bar[count]);
+ debug("count %d device %x function %x wants %x resources\n", count, device, function, bar[count]);
if (bar[count] & PCI_BASE_ADDRESS_SPACE_IO) {
/* This is IO */
@@ -1211,7 +1211,7 @@ static struct res_needed *scan_behind_bridge (struct pci_func *func, u8 busno)
* Change: we also call these functions even if we configured the card ourselves (i.e., not
* the bootup case), since it should work same way
*/
-static int unconfigure_boot_device (u8 busno, u8 device, u8 function)
+static int unconfigure_boot_device(u8 busno, u8 device, u8 function)
{
u32 start_address;
u32 address[] = {
@@ -1234,30 +1234,30 @@ static int unconfigure_boot_device (u8 busno, u8 device, u8 function)
u32 tmp_address;
unsigned int devfn;
- debug ("%s - enter\n", __func__);
+ debug("%s - enter\n", __func__);
- bus = ibmphp_find_res_bus (busno);
+ bus = ibmphp_find_res_bus(busno);
if (!bus) {
- debug ("cannot find corresponding bus.\n");
+ debug("cannot find corresponding bus.\n");
return -EINVAL;
}
devfn = PCI_DEVFN(device, function);
ibmphp_pci_bus->number = busno;
for (count = 0; address[count]; count++) { /* for 6 BARs */
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &start_address);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, address[count], &start_address);
/* We can do this here, b/c by that time the device driver of the card has been stopped */
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &size);
- pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], start_address);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, address[count], &size);
+ pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], start_address);
- debug ("start_address is %x\n", start_address);
- debug ("busno, device, function %x %x %x\n", busno, device, function);
+ debug("start_address is %x\n", start_address);
+ debug("busno, device, function %x %x %x\n", busno, device, function);
if (!size) {
/* This BAR is not implemented */
- debug ("is this bar no implemented?, count = %d\n", count);
+ debug("is this bar no implemented?, count = %d\n", count);
continue;
}
tmp_address = start_address;
@@ -1267,24 +1267,24 @@ static int unconfigure_boot_device (u8 busno, u8 device, u8 function)
size = size & 0xFFFFFFFC;
size = ~size + 1;
end_address = start_address + size - 1;
- if (ibmphp_find_resource (bus, start_address, &io, IO) < 0) {
- err ("cannot find corresponding IO resource to remove\n");
+ if (ibmphp_find_resource(bus, start_address, &io, IO) < 0) {
+ err("cannot find corresponding IO resource to remove\n");
return -EIO;
}
- debug ("io->start = %x\n", io->start);
+ debug("io->start = %x\n", io->start);
temp_end = io->end;
start_address = io->end + 1;
- ibmphp_remove_resource (io);
+ ibmphp_remove_resource(io);
/* This is needed b/c of the old I/O restrictions in the BIOS */
while (temp_end < end_address) {
- if (ibmphp_find_resource (bus, start_address, &io, IO) < 0) {
- err ("cannot find corresponding IO resource to remove\n");
+ if (ibmphp_find_resource(bus, start_address, &io, IO) < 0) {
+ err("cannot find corresponding IO resource to remove\n");
return -EIO;
}
- debug ("io->start = %x\n", io->start);
+ debug("io->start = %x\n", io->start);
temp_end = io->end;
start_address = io->end + 1;
- ibmphp_remove_resource (io);
+ ibmphp_remove_resource(io);
}
/* ????????? DO WE NEED TO WRITE ANYTHING INTO THE PCI CONFIG SPACE BACK ?????????? */
@@ -1292,29 +1292,29 @@ static int unconfigure_boot_device (u8 busno, u8 device, u8 function)
/* This is Memory */
if (start_address & PCI_BASE_ADDRESS_MEM_PREFETCH) {
/* pfmem */
- debug ("start address of pfmem is %x\n", start_address);
+ debug("start address of pfmem is %x\n", start_address);
start_address &= PCI_BASE_ADDRESS_MEM_MASK;
- if (ibmphp_find_resource (bus, start_address, &pfmem, PFMEM) < 0) {
- err ("cannot find corresponding PFMEM resource to remove\n");
+ if (ibmphp_find_resource(bus, start_address, &pfmem, PFMEM) < 0) {
+ err("cannot find corresponding PFMEM resource to remove\n");
return -EIO;
}
if (pfmem) {
- debug ("pfmem->start = %x\n", pfmem->start);
+ debug("pfmem->start = %x\n", pfmem->start);
ibmphp_remove_resource(pfmem);
}
} else {
/* regular memory */
- debug ("start address of mem is %x\n", start_address);
+ debug("start address of mem is %x\n", start_address);
start_address &= PCI_BASE_ADDRESS_MEM_MASK;
- if (ibmphp_find_resource (bus, start_address, &mem, MEM) < 0) {
- err ("cannot find corresponding MEM resource to remove\n");
+ if (ibmphp_find_resource(bus, start_address, &mem, MEM) < 0) {
+ err("cannot find corresponding MEM resource to remove\n");
return -EIO;
}
if (mem) {
- debug ("mem->start = %x\n", mem->start);
+ debug("mem->start = %x\n", mem->start);
ibmphp_remove_resource(mem);
}
@@ -1329,7 +1329,7 @@ static int unconfigure_boot_device (u8 busno, u8 device, u8 function)
return 0;
}
-static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function)
+static int unconfigure_boot_bridge(u8 busno, u8 device, u8 function)
{
int count;
int bus_no, pri_no, sub_no, sec_no = 0;
@@ -1349,40 +1349,40 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function)
devfn = PCI_DEVFN(device, function);
ibmphp_pci_bus->number = busno;
bus_no = (int) busno;
- debug ("busno is %x\n", busno);
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_PRIMARY_BUS, &pri_number);
- debug ("%s - busno = %x, primary_number = %x\n", __func__, busno, pri_number);
+ debug("busno is %x\n", busno);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_PRIMARY_BUS, &pri_number);
+ debug("%s - busno = %x, primary_number = %x\n", __func__, busno, pri_number);
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
- debug ("sec_number is %x\n", sec_number);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
+ debug("sec_number is %x\n", sec_number);
sec_no = (int) sec_number;
pri_no = (int) pri_number;
if (pri_no != bus_no) {
- err ("primary numbers in our structures and pci config space don't match.\n");
+ err("primary numbers in our structures and pci config space don't match.\n");
return -EINVAL;
}
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SUBORDINATE_BUS, &sub_number);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_SUBORDINATE_BUS, &sub_number);
sub_no = (int) sub_number;
- debug ("sub_no is %d, sec_no is %d\n", sub_no, sec_no);
+ debug("sub_no is %d, sec_no is %d\n", sub_no, sec_no);
if (sec_no != sub_number) {
- err ("there're more buses behind this bridge. Hot removal is not supported. Please choose another card\n");
+ err("there're more buses behind this bridge. Hot removal is not supported. Please choose another card\n");
return -ENODEV;
}
- bus = ibmphp_find_res_bus (sec_number);
+ bus = ibmphp_find_res_bus(sec_number);
if (!bus) {
- err ("cannot find Bus structure for the bridged device\n");
+ err("cannot find Bus structure for the bridged device\n");
return -EINVAL;
}
debug("bus->busno is %x\n", bus->busno);
debug("sec_number is %x\n", sec_number);
- ibmphp_remove_bus (bus, busno);
+ ibmphp_remove_bus(bus, busno);
for (count = 0; address[count]; count++) {
/* for 2 BARs */
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &start_address);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, address[count], &start_address);
if (!start_address) {
/* This BAR is not implemented */
@@ -1394,14 +1394,14 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function)
if (start_address & PCI_BASE_ADDRESS_SPACE_IO) {
/* This is IO */
start_address &= PCI_BASE_ADDRESS_IO_MASK;
- if (ibmphp_find_resource (bus, start_address, &io, IO) < 0) {
- err ("cannot find corresponding IO resource to remove\n");
+ if (ibmphp_find_resource(bus, start_address, &io, IO) < 0) {
+ err("cannot find corresponding IO resource to remove\n");
return -EIO;
}
if (io)
- debug ("io->start = %x\n", io->start);
+ debug("io->start = %x\n", io->start);
- ibmphp_remove_resource (io);
+ ibmphp_remove_resource(io);
/* ????????? DO WE NEED TO WRITE ANYTHING INTO THE PCI CONFIG SPACE BACK ?????????? */
} else {
@@ -1409,24 +1409,24 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function)
if (start_address & PCI_BASE_ADDRESS_MEM_PREFETCH) {
/* pfmem */
start_address &= PCI_BASE_ADDRESS_MEM_MASK;
- if (ibmphp_find_resource (bus, start_address, &pfmem, PFMEM) < 0) {
- err ("cannot find corresponding PFMEM resource to remove\n");
+ if (ibmphp_find_resource(bus, start_address, &pfmem, PFMEM) < 0) {
+ err("cannot find corresponding PFMEM resource to remove\n");
return -EINVAL;
}
if (pfmem) {
- debug ("pfmem->start = %x\n", pfmem->start);
+ debug("pfmem->start = %x\n", pfmem->start);
ibmphp_remove_resource(pfmem);
}
} else {
/* regular memory */
start_address &= PCI_BASE_ADDRESS_MEM_MASK;
- if (ibmphp_find_resource (bus, start_address, &mem, MEM) < 0) {
- err ("cannot find corresponding MEM resource to remove\n");
+ if (ibmphp_find_resource(bus, start_address, &mem, MEM) < 0) {
+ err("cannot find corresponding MEM resource to remove\n");
return -EINVAL;
}
if (mem) {
- debug ("mem->start = %x\n", mem->start);
+ debug("mem->start = %x\n", mem->start);
ibmphp_remove_resource(mem);
}
@@ -1437,11 +1437,11 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function)
}
} /* end of mem */
} /* end of for */
- debug ("%s - exiting, returning success\n", __func__);
+ debug("%s - exiting, returning success\n", __func__);
return 0;
}
-static int unconfigure_boot_card (struct slot *slot_cur)
+static int unconfigure_boot_card(struct slot *slot_cur)
{
u16 vendor_id;
u32 class;
@@ -1453,57 +1453,57 @@ static int unconfigure_boot_card (struct slot *slot_cur)
unsigned int devfn;
u8 valid_device = 0x00; /* To see if we are ever able to find valid device and read it */
- debug ("%s - enter\n", __func__);
+ debug("%s - enter\n", __func__);
device = slot_cur->device;
busno = slot_cur->bus;
- debug ("b4 for loop, device is %x\n", device);
+ debug("b4 for loop, device is %x\n", device);
/* For every function on the card */
for (function = 0x0; function < 0x08; function++) {
devfn = PCI_DEVFN(device, function);
ibmphp_pci_bus->number = busno;
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
if (vendor_id != PCI_VENDOR_ID_NOTVALID) {
/* found correct device!!! */
++valid_device;
- debug ("%s - found correct device\n", __func__);
+ debug("%s - found correct device\n", __func__);
/* header: x x x x x x x x
* | |___________|=> 1=PPB bridge, 0=normal device, 2=CardBus Bridge
* |_=> 0 = single function device, 1 = multi-function device
*/
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_CLASS_REVISION, &class);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, PCI_CLASS_REVISION, &class);
- debug ("hdr_type %x, class %x\n", hdr_type, class);
+ debug("hdr_type %x, class %x\n", hdr_type, class);
class >>= 8; /* to take revision out, class = class.subclass.prog i/f */
if (class == PCI_CLASS_NOT_DEFINED_VGA) {
- err ("The device %x function %x is VGA compatible and is not supported for hot removing. Please choose another device.\n", device, function);
+ err("The device %x function %x is VGA compatible and is not supported for hot removing. Please choose another device.\n", device, function);
return -ENODEV;
} else if (class == PCI_CLASS_DISPLAY_VGA) {
- err ("The device %x function %x is not supported for hot removing. Please choose another device.\n", device, function);
+ err("The device %x function %x is not supported for hot removing. Please choose another device.\n", device, function);
return -ENODEV;
}
switch (hdr_type) {
case PCI_HEADER_TYPE_NORMAL:
- rc = unconfigure_boot_device (busno, device, function);
+ rc = unconfigure_boot_device(busno, device, function);
if (rc) {
- err ("was not able to unconfigure device %x func %x on bus %x. bailing out...\n",
+ err("was not able to unconfigure device %x func %x on bus %x. bailing out...\n",
device, function, busno);
return rc;
}
function = 0x8;
break;
case PCI_HEADER_TYPE_MULTIDEVICE:
- rc = unconfigure_boot_device (busno, device, function);
+ rc = unconfigure_boot_device(busno, device, function);
if (rc) {
- err ("was not able to unconfigure device %x func %x on bus %x. bailing out...\n",
+ err("was not able to unconfigure device %x func %x on bus %x. bailing out...\n",
device, function, busno);
return rc;
}
@@ -1511,12 +1511,12 @@ static int unconfigure_boot_card (struct slot *slot_cur)
case PCI_HEADER_TYPE_BRIDGE:
class >>= 8;
if (class != PCI_CLASS_BRIDGE_PCI) {
- err ("This device %x function %x is not PCI-to-PCI bridge, and is not supported for hot-removing. Please try another card.\n", device, function);
+ err("This device %x function %x is not PCI-to-PCI bridge, and is not supported for hot-removing. Please try another card.\n", device, function);
return -ENODEV;
}
- rc = unconfigure_boot_bridge (busno, device, function);
+ rc = unconfigure_boot_bridge(busno, device, function);
if (rc != 0) {
- err ("was not able to hot-remove PPB properly.\n");
+ err("was not able to hot-remove PPB properly.\n");
return rc;
}
@@ -1525,17 +1525,17 @@ static int unconfigure_boot_card (struct slot *slot_cur)
case PCI_HEADER_TYPE_MULTIBRIDGE:
class >>= 8;
if (class != PCI_CLASS_BRIDGE_PCI) {
- err ("This device %x function %x is not PCI-to-PCI bridge, and is not supported for hot-removing. Please try another card.\n", device, function);
+ err("This device %x function %x is not PCI-to-PCI bridge, and is not supported for hot-removing. Please try another card.\n", device, function);
return -ENODEV;
}
- rc = unconfigure_boot_bridge (busno, device, function);
+ rc = unconfigure_boot_bridge(busno, device, function);
if (rc != 0) {
- err ("was not able to hot-remove PPB properly.\n");
+ err("was not able to hot-remove PPB properly.\n");
return rc;
}
break;
default:
- err ("MAJOR PROBLEM!!!! Cannot read device's header\n");
+ err("MAJOR PROBLEM!!!! Cannot read device's header\n");
return -1;
break;
} /* end of switch */
@@ -1543,7 +1543,7 @@ static int unconfigure_boot_card (struct slot *slot_cur)
} /* end of for */
if (!valid_device) {
- err ("Could not find device to unconfigure. Or could not read the card.\n");
+ err("Could not find device to unconfigure. Or could not read the card.\n");
return -1;
}
return 0;
@@ -1558,7 +1558,7 @@ static int unconfigure_boot_card (struct slot *slot_cur)
* !!!!!!!!!!!!!!!!!!!!!!!!!FOR BUSES!!!!!!!!!!!!
* Returns: 0, -1, -ENODEV
*/
-int ibmphp_unconfigure_card (struct slot **slot_cur, int the_end)
+int ibmphp_unconfigure_card(struct slot **slot_cur, int the_end)
{
int i;
int count;
@@ -1567,11 +1567,11 @@ int ibmphp_unconfigure_card (struct slot **slot_cur, int the_end)
struct pci_func *cur_func = NULL;
struct pci_func *temp_func;
- debug ("%s - enter\n", __func__);
+ debug("%s - enter\n", __func__);
if (!the_end) {
/* Need to unconfigure the card */
- rc = unconfigure_boot_card (sl);
+ rc = unconfigure_boot_card(sl);
if ((rc == -ENODEV) || (rc == -EIO) || (rc == -EINVAL)) {
/* In all other cases, will still need to get rid of func structure if it exists */
return rc;
@@ -1591,34 +1591,34 @@ int ibmphp_unconfigure_card (struct slot **slot_cur, int the_end)
for (i = 0; i < count; i++) {
if (cur_func->io[i]) {
- debug ("io[%d] exists\n", i);
+ debug("io[%d] exists\n", i);
if (the_end > 0)
- ibmphp_remove_resource (cur_func->io[i]);
+ ibmphp_remove_resource(cur_func->io[i]);
cur_func->io[i] = NULL;
}
if (cur_func->mem[i]) {
- debug ("mem[%d] exists\n", i);
+ debug("mem[%d] exists\n", i);
if (the_end > 0)
- ibmphp_remove_resource (cur_func->mem[i]);
+ ibmphp_remove_resource(cur_func->mem[i]);
cur_func->mem[i] = NULL;
}
if (cur_func->pfmem[i]) {
- debug ("pfmem[%d] exists\n", i);
+ debug("pfmem[%d] exists\n", i);
if (the_end > 0)
- ibmphp_remove_resource (cur_func->pfmem[i]);
+ ibmphp_remove_resource(cur_func->pfmem[i]);
cur_func->pfmem[i] = NULL;
}
}
temp_func = cur_func->next;
- kfree (cur_func);
+ kfree(cur_func);
cur_func = temp_func;
}
}
sl->func = NULL;
*slot_cur = sl;
- debug ("%s - exit\n", __func__);
+ debug("%s - exit\n", __func__);
return 0;
}
@@ -1630,7 +1630,7 @@ int ibmphp_unconfigure_card (struct slot **slot_cur, int the_end)
* Output: bus added to the correct spot
* 0, -1, error
*/
-static int add_new_bus (struct bus_node *bus, struct resource_node *io, struct resource_node *mem, struct resource_node *pfmem, u8 parent_busno)
+static int add_new_bus(struct bus_node *bus, struct resource_node *io, struct resource_node *mem, struct resource_node *pfmem, u8 parent_busno)
{
struct range_node *io_range = NULL;
struct range_node *mem_range = NULL;
@@ -1639,18 +1639,18 @@ static int add_new_bus (struct bus_node *bus, struct resource_node *io, struct r
/* Trying to find the parent bus number */
if (parent_busno != 0xFF) {
- cur_bus = ibmphp_find_res_bus (parent_busno);
+ cur_bus = ibmphp_find_res_bus(parent_busno);
if (!cur_bus) {
- err ("strange, cannot find bus which is supposed to be at the system... something is terribly wrong...\n");
+ err("strange, cannot find bus which is supposed to be at the system... something is terribly wrong...\n");
return -ENODEV;
}
- list_add (&bus->bus_list, &cur_bus->bus_list);
+ list_add(&bus->bus_list, &cur_bus->bus_list);
}
if (io) {
io_range = kzalloc(sizeof(*io_range), GFP_KERNEL);
if (!io_range) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
io_range->start = io->start;
@@ -1662,7 +1662,7 @@ static int add_new_bus (struct bus_node *bus, struct resource_node *io, struct r
if (mem) {
mem_range = kzalloc(sizeof(*mem_range), GFP_KERNEL);
if (!mem_range) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
mem_range->start = mem->start;
@@ -1674,7 +1674,7 @@ static int add_new_bus (struct bus_node *bus, struct resource_node *io, struct r
if (pfmem) {
pfmem_range = kzalloc(sizeof(*pfmem_range), GFP_KERNEL);
if (!pfmem_range) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
pfmem_range->start = pfmem->start;
@@ -1691,27 +1691,27 @@ static int add_new_bus (struct bus_node *bus, struct resource_node *io, struct r
* Parameters: bus_number of the primary bus
* Returns: bus_number of the secondary bus or 0xff in case of failure
*/
-static u8 find_sec_number (u8 primary_busno, u8 slotno)
+static u8 find_sec_number(u8 primary_busno, u8 slotno)
{
int min, max;
u8 busno;
struct bus_info *bus;
struct bus_node *bus_cur;
- bus = ibmphp_find_same_bus_num (primary_busno);
+ bus = ibmphp_find_same_bus_num(primary_busno);
if (!bus) {
- err ("cannot get slot range of the bus from the BIOS\n");
+ err("cannot get slot range of the bus from the BIOS\n");
return 0xff;
}
max = bus->slot_max;
min = bus->slot_min;
if ((slotno > max) || (slotno < min)) {
- err ("got the wrong range\n");
+ err("got the wrong range\n");
return 0xff;
}
busno = (u8) (slotno - (u8) min);
busno += primary_busno + 0x01;
- bus_cur = ibmphp_find_res_bus (busno);
+ bus_cur = ibmphp_find_res_bus(busno);
/* either there is no such bus number, or there are no ranges, which
* can only happen if we removed the bridged device in previous load
* of the driver, and now only have the skeleton bus struct
diff --git a/drivers/pci/hotplug/ibmphp_res.c b/drivers/pci/hotplug/ibmphp_res.c
index f279060cf6e2..aee6e41001e1 100644
--- a/drivers/pci/hotplug/ibmphp_res.c
+++ b/drivers/pci/hotplug/ibmphp_res.c
@@ -36,28 +36,28 @@
static int flags = 0; /* for testing */
-static void update_resources (struct bus_node *bus_cur, int type, int rangeno);
-static int once_over (void);
-static int remove_ranges (struct bus_node *, struct bus_node *);
-static int update_bridge_ranges (struct bus_node **);
-static int add_bus_range (int type, struct range_node *, struct bus_node *);
-static void fix_resources (struct bus_node *);
-static struct bus_node *find_bus_wprev (u8, struct bus_node **, u8);
+static void update_resources(struct bus_node *bus_cur, int type, int rangeno);
+static int once_over(void);
+static int remove_ranges(struct bus_node *, struct bus_node *);
+static int update_bridge_ranges(struct bus_node **);
+static int add_bus_range(int type, struct range_node *, struct bus_node *);
+static void fix_resources(struct bus_node *);
+static struct bus_node *find_bus_wprev(u8, struct bus_node **, u8);
static LIST_HEAD(gbuses);
-static struct bus_node * __init alloc_error_bus (struct ebda_pci_rsrc *curr, u8 busno, int flag)
+static struct bus_node * __init alloc_error_bus(struct ebda_pci_rsrc *curr, u8 busno, int flag)
{
struct bus_node *newbus;
if (!(curr) && !(flag)) {
- err ("NULL pointer passed\n");
+ err("NULL pointer passed\n");
return NULL;
}
newbus = kzalloc(sizeof(struct bus_node), GFP_KERNEL);
if (!newbus) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return NULL;
}
@@ -65,22 +65,22 @@ static struct bus_node * __init alloc_error_bus (struct ebda_pci_rsrc *curr, u8
newbus->busno = busno;
else
newbus->busno = curr->bus_num;
- list_add_tail (&newbus->bus_list, &gbuses);
+ list_add_tail(&newbus->bus_list, &gbuses);
return newbus;
}
-static struct resource_node * __init alloc_resources (struct ebda_pci_rsrc *curr)
+static struct resource_node * __init alloc_resources(struct ebda_pci_rsrc *curr)
{
struct resource_node *rs;
if (!curr) {
- err ("NULL passed to allocate\n");
+ err("NULL passed to allocate\n");
return NULL;
}
rs = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
if (!rs) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return NULL;
}
rs->busno = curr->bus_num;
@@ -91,7 +91,7 @@ static struct resource_node * __init alloc_resources (struct ebda_pci_rsrc *curr
return rs;
}
-static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node **new_range, struct ebda_pci_rsrc *curr, int flag, u8 first_bus)
+static int __init alloc_bus_range(struct bus_node **new_bus, struct range_node **new_range, struct ebda_pci_rsrc *curr, int flag, u8 first_bus)
{
struct bus_node *newbus;
struct range_node *newrange;
@@ -100,7 +100,7 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
if (first_bus) {
newbus = kzalloc(sizeof(struct bus_node), GFP_KERNEL);
if (!newbus) {
- err ("out of system memory.\n");
+ err("out of system memory.\n");
return -ENOMEM;
}
newbus->busno = curr->bus_num;
@@ -122,8 +122,8 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
newrange = kzalloc(sizeof(struct range_node), GFP_KERNEL);
if (!newrange) {
if (first_bus)
- kfree (newbus);
- err ("out of system memory\n");
+ kfree(newbus);
+ err("out of system memory\n");
return -ENOMEM;
}
newrange->start = curr->start_addr;
@@ -133,8 +133,8 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
newrange->rangeno = 1;
else {
/* need to insert our range */
- add_bus_range (flag, newrange, newbus);
- debug ("%d resource Primary Bus inserted on bus %x [%x - %x]\n", flag, newbus->busno, newrange->start, newrange->end);
+ add_bus_range(flag, newrange, newbus);
+ debug("%d resource Primary Bus inserted on bus %x [%x - %x]\n", flag, newbus->busno, newrange->start, newrange->end);
}
switch (flag) {
@@ -143,9 +143,9 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
if (first_bus)
newbus->noMemRanges = 1;
else {
- debug ("First Memory Primary on bus %x, [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
+ debug("First Memory Primary on bus %x, [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
++newbus->noMemRanges;
- fix_resources (newbus);
+ fix_resources(newbus);
}
break;
case IO:
@@ -153,9 +153,9 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
if (first_bus)
newbus->noIORanges = 1;
else {
- debug ("First IO Primary on bus %x, [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
+ debug("First IO Primary on bus %x, [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
++newbus->noIORanges;
- fix_resources (newbus);
+ fix_resources(newbus);
}
break;
case PFMEM:
@@ -163,9 +163,9 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
if (first_bus)
newbus->noPFMemRanges = 1;
else {
- debug ("1st PFMemory Primary on Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
+ debug("1st PFMemory Primary on Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
++newbus->noPFMemRanges;
- fix_resources (newbus);
+ fix_resources(newbus);
}
break;
@@ -183,7 +183,7 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
* 2. If cannot allocate out of PFMem range, allocate from Mem ranges. PFmemFromMem
* are not sorted. (no need since use mem node). To not change the entire code, we
* also add mem node whenever this case happens so as not to change
- * ibmphp_check_mem_resource etc (and since it really is taking Mem resource)
+ * ibmphp_check_mem_resource etc(and since it really is taking Mem resource)
*/
/*****************************************************************************
@@ -196,25 +196,23 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
* Input: ptr to the head of the resource list from EBDA
* Output: 0, -1 or error codes
***************************************************************************/
-int __init ibmphp_rsrc_init (void)
+int __init ibmphp_rsrc_init(void)
{
struct ebda_pci_rsrc *curr;
struct range_node *newrange = NULL;
struct bus_node *newbus = NULL;
struct bus_node *bus_cur;
struct bus_node *bus_prev;
- struct list_head *tmp;
struct resource_node *new_io = NULL;
struct resource_node *new_mem = NULL;
struct resource_node *new_pfmem = NULL;
int rc;
- struct list_head *tmp_ebda;
- list_for_each (tmp_ebda, &ibmphp_ebda_pci_rsrc_head) {
- curr = list_entry (tmp_ebda, struct ebda_pci_rsrc, ebda_pci_rsrc_list);
+ list_for_each_entry(curr, &ibmphp_ebda_pci_rsrc_head,
+ ebda_pci_rsrc_list) {
if (!(curr->rsrc_type & PCIDEVMASK)) {
/* EBDA still lists non PCI devices, so ignore... */
- debug ("this is not a PCI DEVICE in rsrc_init, please take care\n");
+ debug("this is not a PCI DEVICE in rsrc_init, please take care\n");
// continue;
}
@@ -223,17 +221,17 @@ int __init ibmphp_rsrc_init (void)
/* memory */
if ((curr->rsrc_type & RESTYPE) == MMASK) {
/* no bus structure exists in place yet */
- if (list_empty (&gbuses)) {
+ if (list_empty(&gbuses)) {
rc = alloc_bus_range(&newbus, &newrange, curr, MEM, 1);
if (rc)
return rc;
- list_add_tail (&newbus->bus_list, &gbuses);
- debug ("gbuses = NULL, Memory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
+ list_add_tail(&newbus->bus_list, &gbuses);
+ debug("gbuses = NULL, Memory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
} else {
- bus_cur = find_bus_wprev (curr->bus_num, &bus_prev, 1);
+ bus_cur = find_bus_wprev(curr->bus_num, &bus_prev, 1);
/* found our bus */
if (bus_cur) {
- rc = alloc_bus_range (&bus_cur, &newrange, curr, MEM, 0);
+ rc = alloc_bus_range(&bus_cur, &newrange, curr, MEM, 0);
if (rc)
return rc;
} else {
@@ -242,24 +240,24 @@ int __init ibmphp_rsrc_init (void)
if (rc)
return rc;
- list_add_tail (&newbus->bus_list, &gbuses);
- debug ("New Bus, Memory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
+ list_add_tail(&newbus->bus_list, &gbuses);
+ debug("New Bus, Memory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
}
}
} else if ((curr->rsrc_type & RESTYPE) == PFMASK) {
/* prefetchable memory */
- if (list_empty (&gbuses)) {
+ if (list_empty(&gbuses)) {
/* no bus structure exists in place yet */
rc = alloc_bus_range(&newbus, &newrange, curr, PFMEM, 1);
if (rc)
return rc;
- list_add_tail (&newbus->bus_list, &gbuses);
- debug ("gbuses = NULL, PFMemory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
+ list_add_tail(&newbus->bus_list, &gbuses);
+ debug("gbuses = NULL, PFMemory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
} else {
- bus_cur = find_bus_wprev (curr->bus_num, &bus_prev, 1);
+ bus_cur = find_bus_wprev(curr->bus_num, &bus_prev, 1);
if (bus_cur) {
/* found our bus */
- rc = alloc_bus_range (&bus_cur, &newrange, curr, PFMEM, 0);
+ rc = alloc_bus_range(&bus_cur, &newrange, curr, PFMEM, 0);
if (rc)
return rc;
} else {
@@ -267,23 +265,23 @@ int __init ibmphp_rsrc_init (void)
rc = alloc_bus_range(&newbus, &newrange, curr, PFMEM, 1);
if (rc)
return rc;
- list_add_tail (&newbus->bus_list, &gbuses);
- debug ("1st Bus, PFMemory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
+ list_add_tail(&newbus->bus_list, &gbuses);
+ debug("1st Bus, PFMemory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
}
}
} else if ((curr->rsrc_type & RESTYPE) == IOMASK) {
/* IO */
- if (list_empty (&gbuses)) {
+ if (list_empty(&gbuses)) {
/* no bus structure exists in place yet */
rc = alloc_bus_range(&newbus, &newrange, curr, IO, 1);
if (rc)
return rc;
- list_add_tail (&newbus->bus_list, &gbuses);
- debug ("gbuses = NULL, IO Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
+ list_add_tail(&newbus->bus_list, &gbuses);
+ debug("gbuses = NULL, IO Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
} else {
- bus_cur = find_bus_wprev (curr->bus_num, &bus_prev, 1);
+ bus_cur = find_bus_wprev(curr->bus_num, &bus_prev, 1);
if (bus_cur) {
- rc = alloc_bus_range (&bus_cur, &newrange, curr, IO, 0);
+ rc = alloc_bus_range(&bus_cur, &newrange, curr, IO, 0);
if (rc)
return rc;
} else {
@@ -291,8 +289,8 @@ int __init ibmphp_rsrc_init (void)
rc = alloc_bus_range(&newbus, &newrange, curr, IO, 1);
if (rc)
return rc;
- list_add_tail (&newbus->bus_list, &gbuses);
- debug ("1st Bus, IO Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
+ list_add_tail(&newbus->bus_list, &gbuses);
+ debug("1st Bus, IO Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
}
}
@@ -304,7 +302,7 @@ int __init ibmphp_rsrc_init (void)
/* regular pci device resource */
if ((curr->rsrc_type & RESTYPE) == MMASK) {
/* Memory resource */
- new_mem = alloc_resources (curr);
+ new_mem = alloc_resources(curr);
if (!new_mem)
return -ENOMEM;
new_mem->type = MEM;
@@ -315,25 +313,25 @@ int __init ibmphp_rsrc_init (void)
* assign a -1 and then update once the range
* actually appears...
*/
- if (ibmphp_add_resource (new_mem) < 0) {
- newbus = alloc_error_bus (curr, 0, 0);
+ if (ibmphp_add_resource(new_mem) < 0) {
+ newbus = alloc_error_bus(curr, 0, 0);
if (!newbus)
return -ENOMEM;
newbus->firstMem = new_mem;
++newbus->needMemUpdate;
new_mem->rangeno = -1;
}
- debug ("Memory resource for device %x, bus %x, [%x - %x]\n", new_mem->devfunc, new_mem->busno, new_mem->start, new_mem->end);
+ debug("Memory resource for device %x, bus %x, [%x - %x]\n", new_mem->devfunc, new_mem->busno, new_mem->start, new_mem->end);
} else if ((curr->rsrc_type & RESTYPE) == PFMASK) {
/* PFMemory resource */
- new_pfmem = alloc_resources (curr);
+ new_pfmem = alloc_resources(curr);
if (!new_pfmem)
return -ENOMEM;
new_pfmem->type = PFMEM;
new_pfmem->fromMem = 0;
- if (ibmphp_add_resource (new_pfmem) < 0) {
- newbus = alloc_error_bus (curr, 0, 0);
+ if (ibmphp_add_resource(new_pfmem) < 0) {
+ newbus = alloc_error_bus(curr, 0, 0);
if (!newbus)
return -ENOMEM;
newbus->firstPFMem = new_pfmem;
@@ -341,10 +339,10 @@ int __init ibmphp_rsrc_init (void)
new_pfmem->rangeno = -1;
}
- debug ("PFMemory resource for device %x, bus %x, [%x - %x]\n", new_pfmem->devfunc, new_pfmem->busno, new_pfmem->start, new_pfmem->end);
+ debug("PFMemory resource for device %x, bus %x, [%x - %x]\n", new_pfmem->devfunc, new_pfmem->busno, new_pfmem->start, new_pfmem->end);
} else if ((curr->rsrc_type & RESTYPE) == IOMASK) {
/* IO resource */
- new_io = alloc_resources (curr);
+ new_io = alloc_resources(curr);
if (!new_io)
return -ENOMEM;
new_io->type = IO;
@@ -356,27 +354,26 @@ int __init ibmphp_rsrc_init (void)
* Can assign a -1 and then update once the
* range actually appears...
*/
- if (ibmphp_add_resource (new_io) < 0) {
- newbus = alloc_error_bus (curr, 0, 0);
+ if (ibmphp_add_resource(new_io) < 0) {
+ newbus = alloc_error_bus(curr, 0, 0);
if (!newbus)
return -ENOMEM;
newbus->firstIO = new_io;
++newbus->needIOUpdate;
new_io->rangeno = -1;
}
- debug ("IO resource for device %x, bus %x, [%x - %x]\n", new_io->devfunc, new_io->busno, new_io->start, new_io->end);
+ debug("IO resource for device %x, bus %x, [%x - %x]\n", new_io->devfunc, new_io->busno, new_io->start, new_io->end);
}
}
}
- list_for_each (tmp, &gbuses) {
- bus_cur = list_entry (tmp, struct bus_node, bus_list);
+ list_for_each_entry(bus_cur, &gbuses, bus_list) {
/* This is to get info about PPB resources, since EBDA doesn't put this info into the primary bus info */
- rc = update_bridge_ranges (&bus_cur);
+ rc = update_bridge_ranges(&bus_cur);
if (rc)
return rc;
}
- return once_over (); /* This is to align ranges (so no -1) */
+ return once_over(); /* This is to align ranges (so no -1) */
}
/********************************************************************************
@@ -387,7 +384,7 @@ int __init ibmphp_rsrc_init (void)
* Input: type of the resource, range to add, current bus
* Output: 0 or -1, bus and range ptrs
********************************************************************************/
-static int add_bus_range (int type, struct range_node *range, struct bus_node *bus_cur)
+static int add_bus_range(int type, struct range_node *range, struct bus_node *bus_cur)
{
struct range_node *range_cur = NULL;
struct range_node *range_prev;
@@ -452,7 +449,7 @@ static int add_bus_range (int type, struct range_node *range, struct bus_node *b
range_cur = range_cur->next;
}
- update_resources (bus_cur, type, i_init + 1);
+ update_resources(bus_cur, type, i_init + 1);
return 0;
}
@@ -462,7 +459,7 @@ static int add_bus_range (int type, struct range_node *range, struct bus_node *b
*
* Input: bus, type of the resource, the rangeno starting from which to update
******************************************************************************/
-static void update_resources (struct bus_node *bus_cur, int type, int rangeno)
+static void update_resources(struct bus_node *bus_cur, int type, int rangeno)
{
struct resource_node *res = NULL;
u8 eol = 0; /* end of list indicator */
@@ -506,9 +503,9 @@ static void update_resources (struct bus_node *bus_cur, int type, int rangeno)
}
}
-static void fix_me (struct resource_node *res, struct bus_node *bus_cur, struct range_node *range)
+static void fix_me(struct resource_node *res, struct bus_node *bus_cur, struct range_node *range)
{
- char * str = "";
+ char *str = "";
switch (res->type) {
case IO:
str = "io";
@@ -526,7 +523,7 @@ static void fix_me (struct resource_node *res, struct bus_node *bus_cur, struct
while (range) {
if ((res->start >= range->start) && (res->end <= range->end)) {
res->rangeno = range->rangeno;
- debug ("%s->rangeno in fix_resources is %d\n", str, res->rangeno);
+ debug("%s->rangeno in fix_resources is %d\n", str, res->rangeno);
switch (res->type) {
case IO:
--bus_cur->needIOUpdate;
@@ -561,27 +558,27 @@ static void fix_me (struct resource_node *res, struct bus_node *bus_cur, struct
* Input: current bus
* Output: none, list of resources for that bus are fixed if can be
*******************************************************************************/
-static void fix_resources (struct bus_node *bus_cur)
+static void fix_resources(struct bus_node *bus_cur)
{
struct range_node *range;
struct resource_node *res;
- debug ("%s - bus_cur->busno = %d\n", __func__, bus_cur->busno);
+ debug("%s - bus_cur->busno = %d\n", __func__, bus_cur->busno);
if (bus_cur->needIOUpdate) {
res = bus_cur->firstIO;
range = bus_cur->rangeIO;
- fix_me (res, bus_cur, range);
+ fix_me(res, bus_cur, range);
}
if (bus_cur->needMemUpdate) {
res = bus_cur->firstMem;
range = bus_cur->rangeMem;
- fix_me (res, bus_cur, range);
+ fix_me(res, bus_cur, range);
}
if (bus_cur->needPFMemUpdate) {
res = bus_cur->firstPFMem;
range = bus_cur->rangePFMem;
- fix_me (res, bus_cur, range);
+ fix_me(res, bus_cur, range);
}
}
@@ -594,7 +591,7 @@ static void fix_resources (struct bus_node *bus_cur)
* Output: ptrs assigned (to the node)
* 0 or -1
*******************************************************************************/
-int ibmphp_add_resource (struct resource_node *res)
+int ibmphp_add_resource(struct resource_node *res)
{
struct resource_node *res_cur;
struct resource_node *res_prev;
@@ -602,18 +599,18 @@ int ibmphp_add_resource (struct resource_node *res)
struct range_node *range_cur = NULL;
struct resource_node *res_start = NULL;
- debug ("%s - enter\n", __func__);
+ debug("%s - enter\n", __func__);
if (!res) {
- err ("NULL passed to add\n");
+ err("NULL passed to add\n");
return -ENODEV;
}
- bus_cur = find_bus_wprev (res->busno, NULL, 0);
+ bus_cur = find_bus_wprev(res->busno, NULL, 0);
if (!bus_cur) {
/* didn't find a bus, something's wrong!!! */
- debug ("no bus in the system, either pci_dev's wrong or allocation failed\n");
+ debug("no bus in the system, either pci_dev's wrong or allocation failed\n");
return -ENODEV;
}
@@ -632,7 +629,7 @@ int ibmphp_add_resource (struct resource_node *res)
res_start = bus_cur->firstPFMem;
break;
default:
- err ("cannot read the type of the resource to add... problem\n");
+ err("cannot read the type of the resource to add... problem\n");
return -EINVAL;
}
while (range_cur) {
@@ -663,7 +660,7 @@ int ibmphp_add_resource (struct resource_node *res)
res->rangeno = -1;
}
- debug ("The range is %d\n", res->rangeno);
+ debug("The range is %d\n", res->rangeno);
if (!res_start) {
/* no first{IO,Mem,Pfmem} on the bus, 1st IO/Mem/Pfmem resource ever */
switch (res->type) {
@@ -683,7 +680,7 @@ int ibmphp_add_resource (struct resource_node *res)
res_cur = res_start;
res_prev = NULL;
- debug ("res_cur->rangeno is %d\n", res_cur->rangeno);
+ debug("res_cur->rangeno is %d\n", res_cur->rangeno);
while (res_cur) {
if (res_cur->rangeno >= res->rangeno)
@@ -697,7 +694,7 @@ int ibmphp_add_resource (struct resource_node *res)
if (!res_cur) {
/* at the end of the resource list */
- debug ("i should be here, [%x - %x]\n", res->start, res->end);
+ debug("i should be here, [%x - %x]\n", res->start, res->end);
res_prev->nextRange = res;
res->next = NULL;
res->nextRange = NULL;
@@ -765,7 +762,7 @@ int ibmphp_add_resource (struct resource_node *res)
}
}
- debug ("%s - exit\n", __func__);
+ debug("%s - exit\n", __func__);
return 0;
}
@@ -776,23 +773,23 @@ int ibmphp_add_resource (struct resource_node *res)
* Output: modified resource list
* 0 or error code
****************************************************************************/
-int ibmphp_remove_resource (struct resource_node *res)
+int ibmphp_remove_resource(struct resource_node *res)
{
struct bus_node *bus_cur;
struct resource_node *res_cur = NULL;
struct resource_node *res_prev;
struct resource_node *mem_cur;
- char * type = "";
+ char *type = "";
if (!res) {
- err ("resource to remove is NULL\n");
+ err("resource to remove is NULL\n");
return -ENODEV;
}
- bus_cur = find_bus_wprev (res->busno, NULL, 0);
+ bus_cur = find_bus_wprev(res->busno, NULL, 0);
if (!bus_cur) {
- err ("cannot find corresponding bus of the io resource to remove bailing out...\n");
+ err("cannot find corresponding bus of the io resource to remove bailing out...\n");
return -ENODEV;
}
@@ -810,7 +807,7 @@ int ibmphp_remove_resource (struct resource_node *res)
type = "pfmem";
break;
default:
- err ("unknown type for resource to remove\n");
+ err("unknown type for resource to remove\n");
return -EINVAL;
}
res_prev = NULL;
@@ -848,16 +845,16 @@ int ibmphp_remove_resource (struct resource_node *res)
mem_cur = mem_cur->nextRange;
}
if (!mem_cur) {
- err ("cannot find corresponding mem node for pfmem...\n");
+ err("cannot find corresponding mem node for pfmem...\n");
return -EINVAL;
}
- ibmphp_remove_resource (mem_cur);
+ ibmphp_remove_resource(mem_cur);
if (!res_prev)
bus_cur->firstPFMemFromMem = res_cur->next;
else
res_prev->next = res_cur->next;
- kfree (res_cur);
+ kfree(res_cur);
return 0;
}
res_prev = res_cur;
@@ -867,11 +864,11 @@ int ibmphp_remove_resource (struct resource_node *res)
res_cur = res_cur->nextRange;
}
if (!res_cur) {
- err ("cannot find pfmem to delete...\n");
+ err("cannot find pfmem to delete...\n");
return -EINVAL;
}
} else {
- err ("the %s resource is not in the list to be deleted...\n", type);
+ err("the %s resource is not in the list to be deleted...\n", type);
return -EINVAL;
}
}
@@ -914,7 +911,7 @@ int ibmphp_remove_resource (struct resource_node *res)
break;
}
}
- kfree (res_cur);
+ kfree(res_cur);
return 0;
} else {
if (res_cur->next) {
@@ -929,14 +926,14 @@ int ibmphp_remove_resource (struct resource_node *res)
res_prev->next = NULL;
res_prev->nextRange = NULL;
}
- kfree (res_cur);
+ kfree(res_cur);
return 0;
}
return 0;
}
-static struct range_node *find_range (struct bus_node *bus_cur, struct resource_node *res)
+static struct range_node *find_range(struct bus_node *bus_cur, struct resource_node *res)
{
struct range_node *range = NULL;
@@ -951,7 +948,7 @@ static struct range_node *find_range (struct bus_node *bus_cur, struct resource_
range = bus_cur->rangePFMem;
break;
default:
- err ("cannot read resource type in find_range\n");
+ err("cannot read resource type in find_range\n");
}
while (range) {
@@ -971,7 +968,7 @@ static struct range_node *find_range (struct bus_node *bus_cur, struct resource_
* Output: the correct start and end address are inputted into the resource node,
* 0 or -EINVAL
*****************************************************************************/
-int ibmphp_check_resource (struct resource_node *res, u8 bridge)
+int ibmphp_check_resource(struct resource_node *res, u8 bridge)
{
struct bus_node *bus_cur;
struct range_node *range = NULL;
@@ -995,16 +992,16 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
} else
tmp_divide = res->len;
- bus_cur = find_bus_wprev (res->busno, NULL, 0);
+ bus_cur = find_bus_wprev(res->busno, NULL, 0);
if (!bus_cur) {
/* didn't find a bus, something's wrong!!! */
- debug ("no bus in the system, either pci_dev's wrong or allocation failed\n");
+ debug("no bus in the system, either pci_dev's wrong or allocation failed\n");
return -EINVAL;
}
- debug ("%s - enter\n", __func__);
- debug ("bus_cur->busno is %d\n", bus_cur->busno);
+ debug("%s - enter\n", __func__);
+ debug("bus_cur->busno is %d\n", bus_cur->busno);
/* This is a quick fix to not mess up with the code very much. i.e.,
* 2000-2fff, len = 1000, but when we compare, we need it to be fff */
@@ -1024,17 +1021,17 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
noranges = bus_cur->noPFMemRanges;
break;
default:
- err ("wrong type of resource to check\n");
+ err("wrong type of resource to check\n");
return -EINVAL;
}
res_prev = NULL;
while (res_cur) {
- range = find_range (bus_cur, res_cur);
- debug ("%s - rangeno = %d\n", __func__, res_cur->rangeno);
+ range = find_range(bus_cur, res_cur);
+ debug("%s - rangeno = %d\n", __func__, res_cur->rangeno);
if (!range) {
- err ("no range for the device exists... bailing out...\n");
+ err("no range for the device exists... bailing out...\n");
return -EINVAL;
}
@@ -1044,7 +1041,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
len_tmp = res_cur->start - 1 - range->start;
if ((res_cur->start != range->start) && (len_tmp >= res->len)) {
- debug ("len_tmp = %x\n", len_tmp);
+ debug("len_tmp = %x\n", len_tmp);
if ((len_tmp < len_cur) || (len_cur == 0)) {
@@ -1072,7 +1069,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
}
if (flag && len_cur == res->len) {
- debug ("but we are not here, right?\n");
+ debug("but we are not here, right?\n");
res->start = start_cur;
res->len += 1; /* To restore the balance */
res->end = res->start + res->len - 1;
@@ -1086,7 +1083,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
len_tmp = range->end - (res_cur->end + 1);
if ((range->end != res_cur->end) && (len_tmp >= res->len)) {
- debug ("len_tmp = %x\n", len_tmp);
+ debug("len_tmp = %x\n", len_tmp);
if ((len_tmp < len_cur) || (len_cur == 0)) {
if (((res_cur->end + 1) % tmp_divide) == 0) {
@@ -1262,7 +1259,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
if ((!range) && (len_cur == 0)) {
/* have gone through the list of devices and ranges and haven't found n.e.thing */
- err ("no appropriate range.. bailing out...\n");
+ err("no appropriate range.. bailing out...\n");
return -EINVAL;
} else if (len_cur) {
res->start = start_cur;
@@ -1273,7 +1270,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
}
if (!res_cur) {
- debug ("prev->rangeno = %d, noranges = %d\n", res_prev->rangeno, noranges);
+ debug("prev->rangeno = %d, noranges = %d\n", res_prev->rangeno, noranges);
if (res_prev->rangeno < noranges) {
/* if there're more ranges out there to check */
switch (res->type) {
@@ -1328,7 +1325,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
if ((!range) && (len_cur == 0)) {
/* have gone through the list of devices and ranges and haven't found n.e.thing */
- err ("no appropriate range.. bailing out...\n");
+ err("no appropriate range.. bailing out...\n");
return -EINVAL;
} else if (len_cur) {
res->start = start_cur;
@@ -1345,7 +1342,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
return 0;
} else {
/* have gone through the list of devices and haven't found n.e.thing */
- err ("no appropriate range.. bailing out...\n");
+ err("no appropriate range.. bailing out...\n");
return -EINVAL;
}
}
@@ -1359,23 +1356,23 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
* Input: Bus
* Output: 0, -ENODEV
********************************************************************************/
-int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno)
+int ibmphp_remove_bus(struct bus_node *bus, u8 parent_busno)
{
struct resource_node *res_cur;
struct resource_node *res_tmp;
struct bus_node *prev_bus;
int rc;
- prev_bus = find_bus_wprev (parent_busno, NULL, 0);
+ prev_bus = find_bus_wprev(parent_busno, NULL, 0);
if (!prev_bus) {
- debug ("something terribly wrong. Cannot find parent bus to the one to remove\n");
+ debug("something terribly wrong. Cannot find parent bus to the one to remove\n");
return -ENODEV;
}
- debug ("In ibmphp_remove_bus... prev_bus->busno is %x\n", prev_bus->busno);
+ debug("In ibmphp_remove_bus... prev_bus->busno is %x\n", prev_bus->busno);
- rc = remove_ranges (bus, prev_bus);
+ rc = remove_ranges(bus, prev_bus);
if (rc)
return rc;
@@ -1387,7 +1384,7 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno)
res_cur = res_cur->next;
else
res_cur = res_cur->nextRange;
- kfree (res_tmp);
+ kfree(res_tmp);
res_tmp = NULL;
}
bus->firstIO = NULL;
@@ -1400,7 +1397,7 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno)
res_cur = res_cur->next;
else
res_cur = res_cur->nextRange;
- kfree (res_tmp);
+ kfree(res_tmp);
res_tmp = NULL;
}
bus->firstMem = NULL;
@@ -1413,7 +1410,7 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno)
res_cur = res_cur->next;
else
res_cur = res_cur->nextRange;
- kfree (res_tmp);
+ kfree(res_tmp);
res_tmp = NULL;
}
bus->firstPFMem = NULL;
@@ -1425,14 +1422,14 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno)
res_tmp = res_cur;
res_cur = res_cur->next;
- kfree (res_tmp);
+ kfree(res_tmp);
res_tmp = NULL;
}
bus->firstPFMemFromMem = NULL;
}
- list_del (&bus->bus_list);
- kfree (bus);
+ list_del(&bus->bus_list);
+ kfree(bus);
return 0;
}
@@ -1442,7 +1439,7 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno)
* Input: current bus, previous bus
* Output: 0, -EINVAL
******************************************************************************/
-static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev)
+static int remove_ranges(struct bus_node *bus_cur, struct bus_node *bus_prev)
{
struct range_node *range_cur;
struct range_node *range_tmp;
@@ -1452,13 +1449,13 @@ static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev)
if (bus_cur->noIORanges) {
range_cur = bus_cur->rangeIO;
for (i = 0; i < bus_cur->noIORanges; i++) {
- if (ibmphp_find_resource (bus_prev, range_cur->start, &res, IO) < 0)
+ if (ibmphp_find_resource(bus_prev, range_cur->start, &res, IO) < 0)
return -EINVAL;
- ibmphp_remove_resource (res);
+ ibmphp_remove_resource(res);
range_tmp = range_cur;
range_cur = range_cur->next;
- kfree (range_tmp);
+ kfree(range_tmp);
range_tmp = NULL;
}
bus_cur->rangeIO = NULL;
@@ -1466,13 +1463,13 @@ static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev)
if (bus_cur->noMemRanges) {
range_cur = bus_cur->rangeMem;
for (i = 0; i < bus_cur->noMemRanges; i++) {
- if (ibmphp_find_resource (bus_prev, range_cur->start, &res, MEM) < 0)
+ if (ibmphp_find_resource(bus_prev, range_cur->start, &res, MEM) < 0)
return -EINVAL;
- ibmphp_remove_resource (res);
+ ibmphp_remove_resource(res);
range_tmp = range_cur;
range_cur = range_cur->next;
- kfree (range_tmp);
+ kfree(range_tmp);
range_tmp = NULL;
}
bus_cur->rangeMem = NULL;
@@ -1480,13 +1477,13 @@ static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev)
if (bus_cur->noPFMemRanges) {
range_cur = bus_cur->rangePFMem;
for (i = 0; i < bus_cur->noPFMemRanges; i++) {
- if (ibmphp_find_resource (bus_prev, range_cur->start, &res, PFMEM) < 0)
+ if (ibmphp_find_resource(bus_prev, range_cur->start, &res, PFMEM) < 0)
return -EINVAL;
- ibmphp_remove_resource (res);
+ ibmphp_remove_resource(res);
range_tmp = range_cur;
range_cur = range_cur->next;
- kfree (range_tmp);
+ kfree(range_tmp);
range_tmp = NULL;
}
bus_cur->rangePFMem = NULL;
@@ -1498,13 +1495,13 @@ static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev)
* find the resource node in the bus
* Input: Resource needed, start address of the resource, type of resource
*/
-int ibmphp_find_resource (struct bus_node *bus, u32 start_address, struct resource_node **res, int flag)
+int ibmphp_find_resource(struct bus_node *bus, u32 start_address, struct resource_node **res, int flag)
{
struct resource_node *res_cur = NULL;
- char * type = "";
+ char *type = "";
if (!bus) {
- err ("The bus passed in NULL to find resource\n");
+ err("The bus passed in NULL to find resource\n");
return -ENODEV;
}
@@ -1522,7 +1519,7 @@ int ibmphp_find_resource (struct bus_node *bus, u32 start_address, struct resour
type = "pfmem";
break;
default:
- err ("wrong type of flag\n");
+ err("wrong type of flag\n");
return -EINVAL;
}
@@ -1548,17 +1545,17 @@ int ibmphp_find_resource (struct bus_node *bus, u32 start_address, struct resour
res_cur = res_cur->next;
}
if (!res_cur) {
- debug ("SOS...cannot find %s resource in the bus.\n", type);
+ debug("SOS...cannot find %s resource in the bus.\n", type);
return -EINVAL;
}
} else {
- debug ("SOS... cannot find %s resource in the bus.\n", type);
+ debug("SOS... cannot find %s resource in the bus.\n", type);
return -EINVAL;
}
}
if (*res)
- debug ("*res->start = %x\n", (*res)->start);
+ debug("*res->start = %x\n", (*res)->start);
return 0;
}
@@ -1569,21 +1566,18 @@ int ibmphp_find_resource (struct bus_node *bus, u32 start_address, struct resour
* Parameters: none
* Returns: none
***********************************************************************/
-void ibmphp_free_resources (void)
+void ibmphp_free_resources(void)
{
- struct bus_node *bus_cur = NULL;
+ struct bus_node *bus_cur = NULL, *next;
struct bus_node *bus_tmp;
struct range_node *range_cur;
struct range_node *range_tmp;
struct resource_node *res_cur;
struct resource_node *res_tmp;
- struct list_head *tmp;
- struct list_head *next;
int i = 0;
flags = 1;
- list_for_each_safe (tmp, next, &gbuses) {
- bus_cur = list_entry (tmp, struct bus_node, bus_list);
+ list_for_each_entry_safe(bus_cur, next, &gbuses, bus_list) {
if (bus_cur->noIORanges) {
range_cur = bus_cur->rangeIO;
for (i = 0; i < bus_cur->noIORanges; i++) {
@@ -1591,7 +1585,7 @@ void ibmphp_free_resources (void)
break;
range_tmp = range_cur;
range_cur = range_cur->next;
- kfree (range_tmp);
+ kfree(range_tmp);
range_tmp = NULL;
}
}
@@ -1602,7 +1596,7 @@ void ibmphp_free_resources (void)
break;
range_tmp = range_cur;
range_cur = range_cur->next;
- kfree (range_tmp);
+ kfree(range_tmp);
range_tmp = NULL;
}
}
@@ -1613,7 +1607,7 @@ void ibmphp_free_resources (void)
break;
range_tmp = range_cur;
range_cur = range_cur->next;
- kfree (range_tmp);
+ kfree(range_tmp);
range_tmp = NULL;
}
}
@@ -1626,7 +1620,7 @@ void ibmphp_free_resources (void)
res_cur = res_cur->next;
else
res_cur = res_cur->nextRange;
- kfree (res_tmp);
+ kfree(res_tmp);
res_tmp = NULL;
}
bus_cur->firstIO = NULL;
@@ -1639,7 +1633,7 @@ void ibmphp_free_resources (void)
res_cur = res_cur->next;
else
res_cur = res_cur->nextRange;
- kfree (res_tmp);
+ kfree(res_tmp);
res_tmp = NULL;
}
bus_cur->firstMem = NULL;
@@ -1652,7 +1646,7 @@ void ibmphp_free_resources (void)
res_cur = res_cur->next;
else
res_cur = res_cur->nextRange;
- kfree (res_tmp);
+ kfree(res_tmp);
res_tmp = NULL;
}
bus_cur->firstPFMem = NULL;
@@ -1664,15 +1658,15 @@ void ibmphp_free_resources (void)
res_tmp = res_cur;
res_cur = res_cur->next;
- kfree (res_tmp);
+ kfree(res_tmp);
res_tmp = NULL;
}
bus_cur->firstPFMemFromMem = NULL;
}
bus_tmp = bus_cur;
- list_del (&bus_cur->bus_list);
- kfree (bus_tmp);
+ list_del(&bus_cur->bus_list);
+ kfree(bus_tmp);
bus_tmp = NULL;
}
}
@@ -1685,16 +1679,14 @@ void ibmphp_free_resources (void)
* a new Mem node
* This routine is called right after initialization
*******************************************************************************/
-static int __init once_over (void)
+static int __init once_over(void)
{
struct resource_node *pfmem_cur;
struct resource_node *pfmem_prev;
struct resource_node *mem;
struct bus_node *bus_cur;
- struct list_head *tmp;
- list_for_each (tmp, &gbuses) {
- bus_cur = list_entry (tmp, struct bus_node, bus_list);
+ list_for_each_entry(bus_cur, &gbuses, bus_list) {
if ((!bus_cur->rangePFMem) && (bus_cur->firstPFMem)) {
for (pfmem_cur = bus_cur->firstPFMem, pfmem_prev = NULL; pfmem_cur; pfmem_prev = pfmem_cur, pfmem_cur = pfmem_cur->next) {
pfmem_cur->fromMem = 1;
@@ -1716,7 +1708,7 @@ static int __init once_over (void)
mem = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
if (!mem) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
mem->type = MEM;
@@ -1725,8 +1717,8 @@ static int __init once_over (void)
mem->start = pfmem_cur->start;
mem->end = pfmem_cur->end;
mem->len = pfmem_cur->len;
- if (ibmphp_add_resource (mem) < 0)
- err ("Trouble...trouble... EBDA allocated pfmem from mem, but system doesn't display it has this space... unless not PCI device...\n");
+ if (ibmphp_add_resource(mem) < 0)
+ err("Trouble...trouble... EBDA allocated pfmem from mem, but system doesn't display it has this space... unless not PCI device...\n");
pfmem_cur->rangeno = mem->rangeno;
} /* end for pfmem */
} /* end if */
@@ -1734,12 +1726,12 @@ static int __init once_over (void)
return 0;
}
-int ibmphp_add_pfmem_from_mem (struct resource_node *pfmem)
+int ibmphp_add_pfmem_from_mem(struct resource_node *pfmem)
{
- struct bus_node *bus_cur = find_bus_wprev (pfmem->busno, NULL, 0);
+ struct bus_node *bus_cur = find_bus_wprev(pfmem->busno, NULL, 0);
if (!bus_cur) {
- err ("cannot find bus of pfmem to add...\n");
+ err("cannot find bus of pfmem to add...\n");
return -ENODEV;
}
@@ -1759,22 +1751,18 @@ int ibmphp_add_pfmem_from_mem (struct resource_node *pfmem)
* Parameters: bus_number
* Returns: Bus pointer or NULL
*/
-struct bus_node *ibmphp_find_res_bus (u8 bus_number)
+struct bus_node *ibmphp_find_res_bus(u8 bus_number)
{
- return find_bus_wprev (bus_number, NULL, 0);
+ return find_bus_wprev(bus_number, NULL, 0);
}
-static struct bus_node *find_bus_wprev (u8 bus_number, struct bus_node **prev, u8 flag)
+static struct bus_node *find_bus_wprev(u8 bus_number, struct bus_node **prev, u8 flag)
{
struct bus_node *bus_cur;
- struct list_head *tmp;
- struct list_head *tmp_prev;
- list_for_each (tmp, &gbuses) {
- tmp_prev = tmp->prev;
- bus_cur = list_entry (tmp, struct bus_node, bus_list);
+ list_for_each_entry(bus_cur, &gbuses, bus_list) {
if (flag)
- *prev = list_entry (tmp_prev, struct bus_node, bus_list);
+ *prev = list_prev_entry(bus_cur, bus_list);
if (bus_cur->busno == bus_number)
return bus_cur;
}
@@ -1782,23 +1770,21 @@ static struct bus_node *find_bus_wprev (u8 bus_number, struct bus_node **prev, u
return NULL;
}
-void ibmphp_print_test (void)
+void ibmphp_print_test(void)
{
int i = 0;
struct bus_node *bus_cur = NULL;
struct range_node *range;
struct resource_node *res;
- struct list_head *tmp;
- debug_pci ("*****************START**********************\n");
+ debug_pci("*****************START**********************\n");
if ((!list_empty(&gbuses)) && flags) {
- err ("The GBUSES is not NULL?!?!?!?!?\n");
+ err("The GBUSES is not NULL?!?!?!?!?\n");
return;
}
- list_for_each (tmp, &gbuses) {
- bus_cur = list_entry (tmp, struct bus_node, bus_list);
+ list_for_each_entry(bus_cur, &gbuses, bus_list) {
debug_pci ("This is bus # %d. There are\n", bus_cur->busno);
debug_pci ("IORanges = %d\t", bus_cur->noIORanges);
debug_pci ("MemRanges = %d\t", bus_cur->noMemRanges);
@@ -1807,42 +1793,42 @@ void ibmphp_print_test (void)
if (bus_cur->rangeIO) {
range = bus_cur->rangeIO;
for (i = 0; i < bus_cur->noIORanges; i++) {
- debug_pci ("rangeno is %d\n", range->rangeno);
- debug_pci ("[%x - %x]\n", range->start, range->end);
+ debug_pci("rangeno is %d\n", range->rangeno);
+ debug_pci("[%x - %x]\n", range->start, range->end);
range = range->next;
}
}
- debug_pci ("The Mem Ranges are as follows:\n");
+ debug_pci("The Mem Ranges are as follows:\n");
if (bus_cur->rangeMem) {
range = bus_cur->rangeMem;
for (i = 0; i < bus_cur->noMemRanges; i++) {
- debug_pci ("rangeno is %d\n", range->rangeno);
- debug_pci ("[%x - %x]\n", range->start, range->end);
+ debug_pci("rangeno is %d\n", range->rangeno);
+ debug_pci("[%x - %x]\n", range->start, range->end);
range = range->next;
}
}
- debug_pci ("The PFMem Ranges are as follows:\n");
+ debug_pci("The PFMem Ranges are as follows:\n");
if (bus_cur->rangePFMem) {
range = bus_cur->rangePFMem;
for (i = 0; i < bus_cur->noPFMemRanges; i++) {
- debug_pci ("rangeno is %d\n", range->rangeno);
- debug_pci ("[%x - %x]\n", range->start, range->end);
+ debug_pci("rangeno is %d\n", range->rangeno);
+ debug_pci("[%x - %x]\n", range->start, range->end);
range = range->next;
}
}
- debug_pci ("The resources on this bus are as follows\n");
+ debug_pci("The resources on this bus are as follows\n");
- debug_pci ("IO...\n");
+ debug_pci("IO...\n");
if (bus_cur->firstIO) {
res = bus_cur->firstIO;
while (res) {
- debug_pci ("The range # is %d\n", res->rangeno);
- debug_pci ("The bus, devfnc is %d, %x\n", res->busno, res->devfunc);
- debug_pci ("[%x - %x], len=%x\n", res->start, res->end, res->len);
+ debug_pci("The range # is %d\n", res->rangeno);
+ debug_pci("The bus, devfnc is %d, %x\n", res->busno, res->devfunc);
+ debug_pci("[%x - %x], len=%x\n", res->start, res->end, res->len);
if (res->next)
res = res->next;
else if (res->nextRange)
@@ -1851,13 +1837,13 @@ void ibmphp_print_test (void)
break;
}
}
- debug_pci ("Mem...\n");
+ debug_pci("Mem...\n");
if (bus_cur->firstMem) {
res = bus_cur->firstMem;
while (res) {
- debug_pci ("The range # is %d\n", res->rangeno);
- debug_pci ("The bus, devfnc is %d, %x\n", res->busno, res->devfunc);
- debug_pci ("[%x - %x], len=%x\n", res->start, res->end, res->len);
+ debug_pci("The range # is %d\n", res->rangeno);
+ debug_pci("The bus, devfnc is %d, %x\n", res->busno, res->devfunc);
+ debug_pci("[%x - %x], len=%x\n", res->start, res->end, res->len);
if (res->next)
res = res->next;
else if (res->nextRange)
@@ -1866,13 +1852,13 @@ void ibmphp_print_test (void)
break;
}
}
- debug_pci ("PFMem...\n");
+ debug_pci("PFMem...\n");
if (bus_cur->firstPFMem) {
res = bus_cur->firstPFMem;
while (res) {
- debug_pci ("The range # is %d\n", res->rangeno);
- debug_pci ("The bus, devfnc is %d, %x\n", res->busno, res->devfunc);
- debug_pci ("[%x - %x], len=%x\n", res->start, res->end, res->len);
+ debug_pci("The range # is %d\n", res->rangeno);
+ debug_pci("The bus, devfnc is %d, %x\n", res->busno, res->devfunc);
+ debug_pci("[%x - %x], len=%x\n", res->start, res->end, res->len);
if (res->next)
res = res->next;
else if (res->nextRange)
@@ -1882,23 +1868,23 @@ void ibmphp_print_test (void)
}
}
- debug_pci ("PFMemFromMem...\n");
+ debug_pci("PFMemFromMem...\n");
if (bus_cur->firstPFMemFromMem) {
res = bus_cur->firstPFMemFromMem;
while (res) {
- debug_pci ("The range # is %d\n", res->rangeno);
- debug_pci ("The bus, devfnc is %d, %x\n", res->busno, res->devfunc);
- debug_pci ("[%x - %x], len=%x\n", res->start, res->end, res->len);
+ debug_pci("The range # is %d\n", res->rangeno);
+ debug_pci("The bus, devfnc is %d, %x\n", res->busno, res->devfunc);
+ debug_pci("[%x - %x], len=%x\n", res->start, res->end, res->len);
res = res->next;
}
}
}
- debug_pci ("***********************END***********************\n");
+ debug_pci("***********************END***********************\n");
}
-static int range_exists_already (struct range_node * range, struct bus_node * bus_cur, u8 type)
+static int range_exists_already(struct range_node *range, struct bus_node *bus_cur, u8 type)
{
- struct range_node * range_cur = NULL;
+ struct range_node *range_cur = NULL;
switch (type) {
case IO:
range_cur = bus_cur->rangeIO;
@@ -1910,7 +1896,7 @@ static int range_exists_already (struct range_node * range, struct bus_node * bu
range_cur = bus_cur->rangePFMem;
break;
default:
- err ("wrong type passed to find out if range already exists\n");
+ err("wrong type passed to find out if range already exists\n");
return -ENODEV;
}
@@ -1937,7 +1923,7 @@ static int range_exists_already (struct range_node * range, struct bus_node * bu
* behind them All these are TO DO.
* Also need to add more error checkings... (from fnc returns etc)
*/
-static int __init update_bridge_ranges (struct bus_node **bus)
+static int __init update_bridge_ranges(struct bus_node **bus)
{
u8 sec_busno, device, function, hdr_type, start_io_address, end_io_address;
u16 vendor_id, upper_io_start, upper_io_end, start_mem_address, end_mem_address;
@@ -1955,17 +1941,17 @@ static int __init update_bridge_ranges (struct bus_node **bus)
return -ENODEV;
ibmphp_pci_bus->number = bus_cur->busno;
- debug ("inside %s\n", __func__);
- debug ("bus_cur->busno = %x\n", bus_cur->busno);
+ debug("inside %s\n", __func__);
+ debug("bus_cur->busno = %x\n", bus_cur->busno);
for (device = 0; device < 32; device++) {
for (function = 0x00; function < 0x08; function++) {
devfn = PCI_DEVFN(device, function);
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
if (vendor_id != PCI_VENDOR_ID_NOTVALID) {
/* found correct device!!! */
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
switch (hdr_type) {
case PCI_HEADER_TYPE_NORMAL:
@@ -1984,18 +1970,18 @@ static int __init update_bridge_ranges (struct bus_node **bus)
temp++;
}
*/
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_busno);
- bus_sec = find_bus_wprev (sec_busno, NULL, 0);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_busno);
+ bus_sec = find_bus_wprev(sec_busno, NULL, 0);
/* this bus structure doesn't exist yet, PPB was configured during previous loading of ibmphp */
if (!bus_sec) {
- bus_sec = alloc_error_bus (NULL, sec_busno, 1);
+ bus_sec = alloc_error_bus(NULL, sec_busno, 1);
/* the rest will be populated during NVRAM call */
return 0;
}
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, &start_io_address);
- pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_LIMIT, &end_io_address);
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_IO_BASE_UPPER16, &upper_io_start);
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_IO_LIMIT_UPPER16, &upper_io_end);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_IO_BASE, &start_io_address);
+ pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_IO_LIMIT, &end_io_address);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_IO_BASE_UPPER16, &upper_io_start);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_IO_LIMIT_UPPER16, &upper_io_end);
start_address = (start_io_address & PCI_IO_RANGE_MASK) << 8;
start_address |= (upper_io_start << 16);
end_address = (end_io_address & PCI_IO_RANGE_MASK) << 8;
@@ -2004,18 +1990,18 @@ static int __init update_bridge_ranges (struct bus_node **bus)
if ((start_address) && (start_address <= end_address)) {
range = kzalloc(sizeof(struct range_node), GFP_KERNEL);
if (!range) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
range->start = start_address;
range->end = end_address + 0xfff;
if (bus_sec->noIORanges > 0) {
- if (!range_exists_already (range, bus_sec, IO)) {
- add_bus_range (IO, range, bus_sec);
+ if (!range_exists_already(range, bus_sec, IO)) {
+ add_bus_range(IO, range, bus_sec);
++bus_sec->noIORanges;
} else {
- kfree (range);
+ kfree(range);
range = NULL;
}
} else {
@@ -2024,13 +2010,13 @@ static int __init update_bridge_ranges (struct bus_node **bus)
bus_sec->rangeIO = range;
++bus_sec->noIORanges;
}
- fix_resources (bus_sec);
+ fix_resources(bus_sec);
- if (ibmphp_find_resource (bus_cur, start_address, &io, IO)) {
+ if (ibmphp_find_resource(bus_cur, start_address, &io, IO)) {
io = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
if (!io) {
- kfree (range);
- err ("out of system memory\n");
+ kfree(range);
+ err("out of system memory\n");
return -ENOMEM;
}
io->type = IO;
@@ -2039,12 +2025,12 @@ static int __init update_bridge_ranges (struct bus_node **bus)
io->start = start_address;
io->end = end_address + 0xfff;
io->len = io->end - io->start + 1;
- ibmphp_add_resource (io);
+ ibmphp_add_resource(io);
}
}
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, &start_mem_address);
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, &end_mem_address);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, &start_mem_address);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, &end_mem_address);
start_address = 0x00000000 | (start_mem_address & PCI_MEMORY_RANGE_MASK) << 16;
end_address = 0x00000000 | (end_mem_address & PCI_MEMORY_RANGE_MASK) << 16;
@@ -2053,18 +2039,18 @@ static int __init update_bridge_ranges (struct bus_node **bus)
range = kzalloc(sizeof(struct range_node), GFP_KERNEL);
if (!range) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
range->start = start_address;
range->end = end_address + 0xfffff;
if (bus_sec->noMemRanges > 0) {
- if (!range_exists_already (range, bus_sec, MEM)) {
- add_bus_range (MEM, range, bus_sec);
+ if (!range_exists_already(range, bus_sec, MEM)) {
+ add_bus_range(MEM, range, bus_sec);
++bus_sec->noMemRanges;
} else {
- kfree (range);
+ kfree(range);
range = NULL;
}
} else {
@@ -2074,13 +2060,13 @@ static int __init update_bridge_ranges (struct bus_node **bus)
++bus_sec->noMemRanges;
}
- fix_resources (bus_sec);
+ fix_resources(bus_sec);
- if (ibmphp_find_resource (bus_cur, start_address, &mem, MEM)) {
+ if (ibmphp_find_resource(bus_cur, start_address, &mem, MEM)) {
mem = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
if (!mem) {
- kfree (range);
- err ("out of system memory\n");
+ kfree(range);
+ err("out of system memory\n");
return -ENOMEM;
}
mem->type = MEM;
@@ -2089,13 +2075,13 @@ static int __init update_bridge_ranges (struct bus_node **bus)
mem->start = start_address;
mem->end = end_address + 0xfffff;
mem->len = mem->end - mem->start + 1;
- ibmphp_add_resource (mem);
+ ibmphp_add_resource(mem);
}
}
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, &start_mem_address);
- pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, &end_mem_address);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_PREF_BASE_UPPER32, &upper_start);
- pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_PREF_LIMIT_UPPER32, &upper_end);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, &start_mem_address);
+ pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, &end_mem_address);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, PCI_PREF_BASE_UPPER32, &upper_start);
+ pci_bus_read_config_dword(ibmphp_pci_bus, devfn, PCI_PREF_LIMIT_UPPER32, &upper_end);
start_address = 0x00000000 | (start_mem_address & PCI_MEMORY_RANGE_MASK) << 16;
end_address = 0x00000000 | (end_mem_address & PCI_MEMORY_RANGE_MASK) << 16;
#if BITS_PER_LONG == 64
@@ -2107,18 +2093,18 @@ static int __init update_bridge_ranges (struct bus_node **bus)
range = kzalloc(sizeof(struct range_node), GFP_KERNEL);
if (!range) {
- err ("out of system memory\n");
+ err("out of system memory\n");
return -ENOMEM;
}
range->start = start_address;
range->end = end_address + 0xfffff;
if (bus_sec->noPFMemRanges > 0) {
- if (!range_exists_already (range, bus_sec, PFMEM)) {
- add_bus_range (PFMEM, range, bus_sec);
+ if (!range_exists_already(range, bus_sec, PFMEM)) {
+ add_bus_range(PFMEM, range, bus_sec);
++bus_sec->noPFMemRanges;
} else {
- kfree (range);
+ kfree(range);
range = NULL;
}
} else {
@@ -2128,12 +2114,12 @@ static int __init update_bridge_ranges (struct bus_node **bus)
++bus_sec->noPFMemRanges;
}
- fix_resources (bus_sec);
- if (ibmphp_find_resource (bus_cur, start_address, &pfmem, PFMEM)) {
+ fix_resources(bus_sec);
+ if (ibmphp_find_resource(bus_cur, start_address, &pfmem, PFMEM)) {
pfmem = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
if (!pfmem) {
- kfree (range);
- err ("out of system memory\n");
+ kfree(range);
+ err("out of system memory\n");
return -ENOMEM;
}
pfmem->type = PFMEM;
@@ -2144,7 +2130,7 @@ static int __init update_bridge_ranges (struct bus_node **bus)
pfmem->len = pfmem->end - pfmem->start + 1;
pfmem->fromMem = 0;
- ibmphp_add_resource (pfmem);
+ ibmphp_add_resource(pfmem);
}
}
break;
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index d1fab97d6b01..9acd1997c6fe 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -45,10 +45,10 @@
#define MY_NAME "pci_hotplug"
-#define dbg(fmt, arg...) do { if (debug) printk(KERN_DEBUG "%s: %s: " fmt , MY_NAME , __func__ , ## arg); } while (0)
-#define err(format, arg...) printk(KERN_ERR "%s: " format , MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format , MY_NAME , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format , MY_NAME , ## arg)
+#define dbg(fmt, arg...) do { if (debug) printk(KERN_DEBUG "%s: %s: " fmt, MY_NAME, __func__, ## arg); } while (0)
+#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME, ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)
/* local variables */
@@ -226,7 +226,7 @@ static ssize_t test_write_file(struct pci_slot *pci_slot, const char *buf,
u32 test;
int retval = 0;
- ltest = simple_strtoul (buf, NULL, 10);
+ ltest = simple_strtoul(buf, NULL, 10);
test = (u32)(ltest & 0xffffffff);
dbg("test = %d\n", test);
@@ -396,10 +396,8 @@ static void fs_remove_slot(struct pci_slot *pci_slot)
static struct hotplug_slot *get_slot_from_name(const char *name)
{
struct hotplug_slot *slot;
- struct list_head *tmp;
- list_for_each(tmp, &pci_hotplug_slot_list) {
- slot = list_entry(tmp, struct hotplug_slot, slot_list);
+ list_for_each_entry(slot, &pci_hotplug_slot_list, slot_list) {
if (strcmp(hotplug_slot_name(slot), name) == 0)
return slot;
}
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 62d6fe6c3714..e764918641ae 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -47,14 +47,14 @@ extern bool pciehp_debug;
#define dbg(format, arg...) \
do { \
if (pciehp_debug) \
- printk(KERN_DEBUG "%s: " format, MY_NAME , ## arg); \
+ printk(KERN_DEBUG "%s: " format, MY_NAME, ## arg); \
} while (0)
#define err(format, arg...) \
- printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
+ printk(KERN_ERR "%s: " format, MY_NAME, ## arg)
#define info(format, arg...) \
- printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
+ printk(KERN_INFO "%s: " format, MY_NAME, ## arg)
#define warn(format, arg...) \
- printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
+ printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)
#define ctrl_dbg(ctrl, format, arg...) \
do { \
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 612b21a14df5..ac531e674a05 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -62,14 +62,14 @@ MODULE_PARM_DESC(pciehp_force, "Force pciehp, even if OSHP is missing");
#define PCIE_MODULE_NAME "pciehp"
-static int set_attention_status (struct hotplug_slot *slot, u8 value);
-static int enable_slot (struct hotplug_slot *slot);
-static int disable_slot (struct hotplug_slot *slot);
-static int get_power_status (struct hotplug_slot *slot, u8 *value);
-static int get_attention_status (struct hotplug_slot *slot, u8 *value);
-static int get_latch_status (struct hotplug_slot *slot, u8 *value);
-static int get_adapter_status (struct hotplug_slot *slot, u8 *value);
-static int reset_slot (struct hotplug_slot *slot, int probe);
+static int set_attention_status(struct hotplug_slot *slot, u8 value);
+static int enable_slot(struct hotplug_slot *slot);
+static int disable_slot(struct hotplug_slot *slot);
+static int get_power_status(struct hotplug_slot *slot, u8 *value);
+static int get_attention_status(struct hotplug_slot *slot, u8 *value);
+static int get_latch_status(struct hotplug_slot *slot, u8 *value);
+static int get_adapter_status(struct hotplug_slot *slot, u8 *value);
+static int reset_slot(struct hotplug_slot *slot, int probe);
/**
* release_slot - free up the memory used by a slot
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 4c8f4cde6854..880978b6d534 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -511,7 +511,9 @@ int pciehp_sysfs_disable_slot(struct slot *p_slot)
case STATIC_STATE:
p_slot->state = POWEROFF_STATE;
mutex_unlock(&p_slot->lock);
+ mutex_lock(&p_slot->hotplug_lock);
retval = pciehp_disable_slot(p_slot);
+ mutex_unlock(&p_slot->hotplug_lock);
mutex_lock(&p_slot->lock);
p_slot->state = STATIC_STATE;
break;
diff --git a/drivers/pci/hotplug/pcihp_skeleton.c b/drivers/pci/hotplug/pcihp_skeleton.c
index d062c008fc95..172ed89200cd 100644
--- a/drivers/pci/hotplug/pcihp_skeleton.c
+++ b/drivers/pci/hotplug/pcihp_skeleton.c
@@ -52,11 +52,11 @@ static LIST_HEAD(slot_list);
do { \
if (debug) \
printk(KERN_DEBUG "%s: " format "\n", \
- MY_NAME , ## arg); \
+ MY_NAME, ## arg); \
} while (0)
-#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME , ## arg)
+#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME, ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME, ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME, ## arg)
/* local variables */
static bool debug;
@@ -72,14 +72,14 @@ MODULE_LICENSE("GPL");
module_param(debug, bool, 0644);
MODULE_PARM_DESC(debug, "Debugging mode enabled or not");
-static int enable_slot (struct hotplug_slot *slot);
-static int disable_slot (struct hotplug_slot *slot);
-static int set_attention_status (struct hotplug_slot *slot, u8 value);
-static int hardware_test (struct hotplug_slot *slot, u32 value);
-static int get_power_status (struct hotplug_slot *slot, u8 *value);
-static int get_attention_status (struct hotplug_slot *slot, u8 *value);
-static int get_latch_status (struct hotplug_slot *slot, u8 *value);
-static int get_adapter_status (struct hotplug_slot *slot, u8 *value);
+static int enable_slot(struct hotplug_slot *slot);
+static int disable_slot(struct hotplug_slot *slot);
+static int set_attention_status(struct hotplug_slot *slot, u8 value);
+static int hardware_test(struct hotplug_slot *slot, u32 value);
+static int get_power_status(struct hotplug_slot *slot, u8 *value);
+static int get_attention_status(struct hotplug_slot *slot, u8 *value);
+static int get_latch_status(struct hotplug_slot *slot, u8 *value);
+static int get_adapter_status(struct hotplug_slot *slot, u8 *value);
static struct hotplug_slot_ops skel_hotplug_slot_ops = {
.enable_slot = enable_slot,
@@ -321,17 +321,14 @@ error:
static void __exit cleanup_slots(void)
{
- struct list_head *tmp;
- struct list_head *next;
- struct slot *slot;
+ struct slot *slot, *next;
/*
* Unregister all of our slots with the pci_hotplug subsystem.
* Memory will be freed in release_slot() callback after slot's
* lifespan is finished.
*/
- list_for_each_safe(tmp, next, &slot_list) {
- slot = list_entry(tmp, struct slot, slot_list);
+ list_for_each_entry_safe(slot, next, &slot_list, slot_list) {
list_del(&slot->slot_list);
pci_hp_deregister(slot->hotplug_slot);
}
diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
index e12bafdc42e0..b46b57d870fc 100644
--- a/drivers/pci/hotplug/rpadlpar_core.c
+++ b/drivers/pci/hotplug/rpadlpar_core.c
@@ -114,11 +114,10 @@ static struct device_node *find_dlpar_node(char *drc_name, int *node_type)
*/
static struct slot *find_php_slot(struct device_node *dn)
{
- struct list_head *tmp, *n;
- struct slot *slot;
+ struct slot *slot, *next;
- list_for_each_safe(tmp, n, &rpaphp_slot_head) {
- slot = list_entry(tmp, struct slot, rpaphp_slot_list);
+ list_for_each_entry_safe(slot, next, &rpaphp_slot_head,
+ rpaphp_slot_list) {
if (slot->dn == dn)
return slot;
}
diff --git a/drivers/pci/hotplug/rpaphp.h b/drivers/pci/hotplug/rpaphp.h
index b2593e876a09..7db024e68fe6 100644
--- a/drivers/pci/hotplug/rpaphp.h
+++ b/drivers/pci/hotplug/rpaphp.h
@@ -51,11 +51,11 @@ extern bool rpaphp_debug;
do { \
if (rpaphp_debug) \
printk(KERN_DEBUG "%s: " format, \
- MY_NAME , ## arg); \
+ MY_NAME, ## arg); \
} while (0)
-#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
+#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME, ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)
/* slot states */
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index f2945fa73d4f..611f6056221a 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -94,7 +94,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
int retval, level;
struct slot *slot = (struct slot *)hotplug_slot->private;
- retval = rtas_get_power_level (slot->power_domain, &level);
+ retval = rtas_get_power_level(slot->power_domain, &level);
if (!retval)
*value = level;
return retval;
@@ -356,8 +356,7 @@ EXPORT_SYMBOL_GPL(rpaphp_add_slot);
static void __exit cleanup_slots(void)
{
- struct list_head *tmp, *n;
- struct slot *slot;
+ struct slot *slot, *next;
/*
* Unregister all of our slots with the pci_hotplug subsystem,
@@ -365,8 +364,8 @@ static void __exit cleanup_slots(void)
* memory will be freed in release_slot callback.
*/
- list_for_each_safe(tmp, n, &rpaphp_slot_head) {
- slot = list_entry(tmp, struct slot, rpaphp_slot_list);
+ list_for_each_entry_safe(slot, next, &rpaphp_slot_head,
+ rpaphp_slot_list) {
list_del(&slot->rpaphp_slot_list);
pci_hp_deregister(slot->hotplug_slot);
}
diff --git a/drivers/pci/hotplug/rpaphp_pci.c b/drivers/pci/hotplug/rpaphp_pci.c
index 9243f3e7a1c9..7836d6913e67 100644
--- a/drivers/pci/hotplug/rpaphp_pci.c
+++ b/drivers/pci/hotplug/rpaphp_pci.c
@@ -126,7 +126,7 @@ int rpaphp_enable_slot(struct slot *slot)
if (rpaphp_debug) {
struct pci_dev *dev;
dbg("%s: pci_devs of slot[%s]\n", __func__, slot->dn->full_name);
- list_for_each_entry (dev, &bus->devices, bus_list)
+ list_for_each_entry(dev, &bus->devices, bus_list)
dbg("\t%s\n", pci_name(dev));
}
}
diff --git a/drivers/pci/hotplug/rpaphp_slot.c b/drivers/pci/hotplug/rpaphp_slot.c
index a6082cc263f7..6937c725b00b 100644
--- a/drivers/pci/hotplug/rpaphp_slot.c
+++ b/drivers/pci/hotplug/rpaphp_slot.c
@@ -48,7 +48,7 @@ void dealloc_slot_struct(struct slot *slot)
}
struct slot *alloc_slot_struct(struct device_node *dn,
- int drc_index, char *drc_name, int power_domain)
+ int drc_index, char *drc_name, int power_domain)
{
struct slot *slot;
diff --git a/drivers/pci/hotplug/s390_pci_hpc.c b/drivers/pci/hotplug/s390_pci_hpc.c
index d77e46bca54c..eb5efaef06ea 100644
--- a/drivers/pci/hotplug/s390_pci_hpc.c
+++ b/drivers/pci/hotplug/s390_pci_hpc.c
@@ -201,11 +201,10 @@ error:
void zpci_exit_slot(struct zpci_dev *zdev)
{
- struct list_head *tmp, *n;
- struct slot *slot;
+ struct slot *slot, *next;
- list_for_each_safe(tmp, n, &s390_hotplug_slot_list) {
- slot = list_entry(tmp, struct slot, slot_list);
+ list_for_each_entry_safe(slot, next, &s390_hotplug_slot_list,
+ slot_list) {
if (slot->zdev != zdev)
continue;
list_del(&slot->slot_list);
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index c32fb786d48e..339bce0403dd 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -99,7 +99,7 @@ static ssize_t path_show(struct pci_slot *pci_slot, char *buf)
if (!slot)
return retval;
- retval = sprintf (buf, "%s\n", slot->physical_path);
+ retval = sprintf(buf, "%s\n", slot->physical_path);
return retval;
}
@@ -313,7 +313,7 @@ static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot,
}
if ((action == PCI_REQ_SLOT_DISABLE) && rc) {
- dev_dbg(&slot->pci_bus->self->dev,"remove failed rc = %d\n", rc);
+ dev_dbg(&slot->pci_bus->self->dev, "remove failed rc = %d\n", rc);
}
return rc;
@@ -488,7 +488,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
/* free the ACPI resources for the slot */
if (SN_ACPI_BASE_SUPPORT() &&
- PCI_CONTROLLER(slot->pci_bus)->companion) {
+ PCI_CONTROLLER(slot->pci_bus)->companion) {
unsigned long long adr;
struct acpi_device *device;
acpi_handle phandle;
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index 5897d516427b..4da8fc601467 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -50,14 +50,14 @@ extern bool shpchp_debug;
#define dbg(format, arg...) \
do { \
if (shpchp_debug) \
- printk(KERN_DEBUG "%s: " format, MY_NAME , ## arg); \
+ printk(KERN_DEBUG "%s: " format, MY_NAME, ## arg); \
} while (0)
#define err(format, arg...) \
- printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
+ printk(KERN_ERR "%s: " format, MY_NAME, ## arg)
#define info(format, arg...) \
- printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
+ printk(KERN_INFO "%s: " format, MY_NAME, ## arg)
#define warn(format, arg...) \
- printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
+ printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)
#define ctrl_dbg(ctrl, format, arg...) \
do { \
@@ -84,7 +84,7 @@ struct slot {
u8 presence_save;
u8 pwr_save;
struct controller *ctrl;
- struct hpc_ops *hpc_ops;
+ const struct hpc_ops *hpc_ops;
struct hotplug_slot *hotplug_slot;
struct list_head slot_list;
struct delayed_work work; /* work for button event */
@@ -106,7 +106,7 @@ struct controller {
int slot_num_inc; /* 1 or -1 */
struct pci_dev *pci_dev;
struct list_head slot_list;
- struct hpc_ops *hpc_ops;
+ const struct hpc_ops *hpc_ops;
wait_queue_head_t queue; /* sleep & wake process */
u8 slot_device_offset;
u32 pcix_misc2_reg; /* for amd pogo errata */
@@ -295,7 +295,7 @@ static inline void amd_pogo_errata_restore_misc_reg(struct slot *p_slot)
pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MEM_BASE_LIMIT_OFFSET, rse_set);
}
/* restore MiscII register */
- pci_read_config_dword(p_slot->ctrl->pci_dev, PCIX_MISCII_OFFSET, &pcix_misc2_temp );
+ pci_read_config_dword(p_slot->ctrl->pci_dev, PCIX_MISCII_OFFSET, &pcix_misc2_temp);
if (p_slot->ctrl->pcix_misc2_reg & SERRFATALENABLE_MASK)
pcix_misc2_temp |= SERRFATALENABLE_MASK;
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index 294ef4b10cf1..3454dc7385f1 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -57,13 +57,13 @@ MODULE_PARM_DESC(shpchp_poll_time, "Polling mechanism frequency, in seconds");
#define SHPC_MODULE_NAME "shpchp"
-static int set_attention_status (struct hotplug_slot *slot, u8 value);
-static int enable_slot (struct hotplug_slot *slot);
-static int disable_slot (struct hotplug_slot *slot);
-static int get_power_status (struct hotplug_slot *slot, u8 *value);
-static int get_attention_status (struct hotplug_slot *slot, u8 *value);
-static int get_latch_status (struct hotplug_slot *slot, u8 *value);
-static int get_adapter_status (struct hotplug_slot *slot, u8 *value);
+static int set_attention_status(struct hotplug_slot *slot, u8 value);
+static int enable_slot(struct hotplug_slot *slot);
+static int disable_slot(struct hotplug_slot *slot);
+static int get_power_status(struct hotplug_slot *slot, u8 *value);
+static int get_attention_status(struct hotplug_slot *slot, u8 *value);
+static int get_latch_status(struct hotplug_slot *slot, u8 *value);
+static int get_adapter_status(struct hotplug_slot *slot, u8 *value);
static struct hotplug_slot_ops shpchp_hotplug_slot_ops = {
.set_attention_status = set_attention_status,
@@ -178,12 +178,9 @@ error:
void cleanup_slots(struct controller *ctrl)
{
- struct list_head *tmp;
- struct list_head *next;
- struct slot *slot;
+ struct slot *slot, *next;
- list_for_each_safe(tmp, next, &ctrl->slot_list) {
- slot = list_entry(tmp, struct slot, slot_list);
+ list_for_each_entry_safe(slot, next, &ctrl->slot_list, slot_list) {
list_del(&slot->slot_list);
cancel_delayed_work(&slot->work);
destroy_workqueue(slot->wq);
@@ -194,7 +191,7 @@ void cleanup_slots(struct controller *ctrl)
/*
* set_attention_status - Turns the Amber LED for a slot on, off or blink
*/
-static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
+static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
{
struct slot *slot = get_slot(hotplug_slot);
@@ -207,7 +204,7 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
return 0;
}
-static int enable_slot (struct hotplug_slot *hotplug_slot)
+static int enable_slot(struct hotplug_slot *hotplug_slot)
{
struct slot *slot = get_slot(hotplug_slot);
@@ -217,7 +214,7 @@ static int enable_slot (struct hotplug_slot *hotplug_slot)
return shpchp_sysfs_enable_slot(slot);
}
-static int disable_slot (struct hotplug_slot *hotplug_slot)
+static int disable_slot(struct hotplug_slot *hotplug_slot)
{
struct slot *slot = get_slot(hotplug_slot);
@@ -227,7 +224,7 @@ static int disable_slot (struct hotplug_slot *hotplug_slot)
return shpchp_sysfs_disable_slot(slot);
}
-static int get_power_status (struct hotplug_slot *hotplug_slot, u8 *value)
+static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = get_slot(hotplug_slot);
int retval;
@@ -242,7 +239,7 @@ static int get_power_status (struct hotplug_slot *hotplug_slot, u8 *value)
return 0;
}
-static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 *value)
+static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = get_slot(hotplug_slot);
int retval;
@@ -257,7 +254,7 @@ static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 *value)
return 0;
}
-static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 *value)
+static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = get_slot(hotplug_slot);
int retval;
@@ -272,7 +269,7 @@ static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 *value)
return 0;
}
-static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value)
+static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = get_slot(hotplug_slot);
int retval;
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 7d223e9080ef..de0ea474fb73 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -542,7 +542,7 @@ static int hpc_set_attention_status(struct slot *slot, u8 value)
u8 slot_cmd = 0;
switch (value) {
- case 0 :
+ case 0:
slot_cmd = SET_ATTN_OFF; /* OFF */
break;
case 1:
@@ -910,7 +910,7 @@ static int shpc_get_max_bus_speed(struct controller *ctrl)
return retval;
}
-static struct hpc_ops shpchp_hpc_ops = {
+static const struct hpc_ops shpchp_hpc_ops = {
.power_on_slot = hpc_power_on_slot,
.slot_enable = hpc_slot_enable,
.slot_disable = hpc_slot_disable,
diff --git a/drivers/pci/hotplug/shpchp_sysfs.c b/drivers/pci/hotplug/shpchp_sysfs.c
index 52875b360463..7efb56a28c9f 100644
--- a/drivers/pci/hotplug/shpchp_sysfs.c
+++ b/drivers/pci/hotplug/shpchp_sysfs.c
@@ -35,7 +35,7 @@
/* A few routines that create sysfs entries for the hot plug controller */
-static ssize_t show_ctrl (struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_ctrl(struct device *dev, struct device_attribute *attr, char *buf)
{
struct pci_dev *pdev;
char *out = buf;
@@ -43,7 +43,7 @@ static ssize_t show_ctrl (struct device *dev, struct device_attribute *attr, cha
struct resource *res;
struct pci_bus *bus;
- pdev = container_of (dev, struct pci_dev, dev);
+ pdev = to_pci_dev(dev);
bus = pdev->subordinate;
out += sprintf(buf, "Free resources: memory\n");
@@ -83,11 +83,11 @@ static ssize_t show_ctrl (struct device *dev, struct device_attribute *attr, cha
return out - buf;
}
-static DEVICE_ATTR (ctrl, S_IRUGO, show_ctrl, NULL);
+static DEVICE_ATTR(ctrl, S_IRUGO, show_ctrl, NULL);
-int shpchp_create_ctrl_files (struct controller *ctrl)
+int shpchp_create_ctrl_files(struct controller *ctrl)
{
- return device_create_file (&ctrl->pci_dev->dev, &dev_attr_ctrl);
+ return device_create_file(&ctrl->pci_dev->dev, &dev_attr_ctrl);
}
void shpchp_remove_ctrl_files(struct controller *ctrl)
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 7a0df3fdbfae..a080f4496fe2 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -1026,10 +1026,6 @@ int pci_msi_enabled(void)
}
EXPORT_SYMBOL(pci_msi_enabled);
-void pci_msi_init_pci_dev(struct pci_dev *dev)
-{
-}
-
/**
* pci_enable_msi_range - configure device's MSI capability structure
* @dev: device to configure
diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c
index 024b5c179348..0ae74d96ed85 100644
--- a/drivers/pci/pci-label.c
+++ b/drivers/pci/pci-label.c
@@ -77,7 +77,7 @@ static umode_t smbios_instance_string_exist(struct kobject *kobj,
struct device *dev;
struct pci_dev *pdev;
- dev = container_of(kobj, struct device, kobj);
+ dev = kobj_to_dev(kobj);
pdev = to_pci_dev(dev);
return find_smbios_instance_string(pdev, NULL, SMBIOS_ATTR_NONE) ?
@@ -221,7 +221,7 @@ static umode_t acpi_index_string_exist(struct kobject *kobj,
{
struct device *dev;
- dev = container_of(kobj, struct device, kobj);
+ dev = kobj_to_dev(kobj);
if (device_has_dsm(dev))
return S_IRUGO;
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index eead54cd01b2..95d9e7bd933b 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -630,8 +630,7 @@ static ssize_t pci_read_config(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
- struct pci_dev *dev = to_pci_dev(container_of(kobj, struct device,
- kobj));
+ struct pci_dev *dev = to_pci_dev(kobj_to_dev(kobj));
unsigned int size = 64;
loff_t init_off = off;
u8 *data = (u8 *) buf;
@@ -707,8 +706,7 @@ static ssize_t pci_write_config(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
- struct pci_dev *dev = to_pci_dev(container_of(kobj, struct device,
- kobj));
+ struct pci_dev *dev = to_pci_dev(kobj_to_dev(kobj));
unsigned int size = count;
loff_t init_off = off;
u8 *data = (u8 *) buf;
@@ -769,8 +767,7 @@ static ssize_t read_vpd_attr(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
- struct pci_dev *dev =
- to_pci_dev(container_of(kobj, struct device, kobj));
+ struct pci_dev *dev = to_pci_dev(kobj_to_dev(kobj));
if (off > bin_attr->size)
count = 0;
@@ -784,8 +781,7 @@ static ssize_t write_vpd_attr(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
- struct pci_dev *dev =
- to_pci_dev(container_of(kobj, struct device, kobj));
+ struct pci_dev *dev = to_pci_dev(kobj_to_dev(kobj));
if (off > bin_attr->size)
count = 0;
@@ -812,8 +808,7 @@ static ssize_t pci_read_legacy_io(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
- struct pci_bus *bus = to_pci_bus(container_of(kobj, struct device,
- kobj));
+ struct pci_bus *bus = to_pci_bus(kobj_to_dev(kobj));
/* Only support 1, 2 or 4 byte accesses */
if (count != 1 && count != 2 && count != 4)
@@ -838,8 +833,7 @@ static ssize_t pci_write_legacy_io(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
- struct pci_bus *bus = to_pci_bus(container_of(kobj, struct device,
- kobj));
+ struct pci_bus *bus = to_pci_bus(kobj_to_dev(kobj));
/* Only support 1, 2 or 4 byte accesses */
if (count != 1 && count != 2 && count != 4)
@@ -863,8 +857,7 @@ static int pci_mmap_legacy_mem(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr,
struct vm_area_struct *vma)
{
- struct pci_bus *bus = to_pci_bus(container_of(kobj, struct device,
- kobj));
+ struct pci_bus *bus = to_pci_bus(kobj_to_dev(kobj));
return pci_mmap_legacy_page_range(bus, vma, pci_mmap_mem);
}
@@ -884,8 +877,7 @@ static int pci_mmap_legacy_io(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr,
struct vm_area_struct *vma)
{
- struct pci_bus *bus = to_pci_bus(container_of(kobj, struct device,
- kobj));
+ struct pci_bus *bus = to_pci_bus(kobj_to_dev(kobj));
return pci_mmap_legacy_page_range(bus, vma, pci_mmap_io);
}
@@ -1000,8 +992,7 @@ int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vma,
static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
struct vm_area_struct *vma, int write_combine)
{
- struct pci_dev *pdev = to_pci_dev(container_of(kobj,
- struct device, kobj));
+ struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj));
struct resource *res = attr->private;
enum pci_mmap_state mmap_type;
resource_size_t start, end;
@@ -1054,8 +1045,7 @@ static ssize_t pci_resource_io(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf,
loff_t off, size_t count, bool write)
{
- struct pci_dev *pdev = to_pci_dev(container_of(kobj,
- struct device, kobj));
+ struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj));
struct resource *res = attr->private;
unsigned long port = off;
int i;
@@ -1225,7 +1215,7 @@ static ssize_t pci_write_rom(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
- struct pci_dev *pdev = to_pci_dev(container_of(kobj, struct device, kobj));
+ struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj));
if ((off == 0) && (*buf == '0') && (count == 2))
pdev->rom_attr_enabled = 0;
@@ -1251,7 +1241,7 @@ static ssize_t pci_read_rom(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
- struct pci_dev *pdev = to_pci_dev(container_of(kobj, struct device, kobj));
+ struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj));
void __iomem *rom;
size_t size;
@@ -1372,10 +1362,10 @@ int __must_check pci_create_sysfs_dev_files(struct pci_dev *pdev)
if (!sysfs_initialized)
return -EACCES;
- if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
- retval = sysfs_create_bin_file(&pdev->dev.kobj, &pci_config_attr);
- else
+ if (pdev->cfg_size > PCI_CFG_SPACE_SIZE)
retval = sysfs_create_bin_file(&pdev->dev.kobj, &pcie_config_attr);
+ else
+ retval = sysfs_create_bin_file(&pdev->dev.kobj, &pci_config_attr);
if (retval)
goto err;
@@ -1427,10 +1417,10 @@ err_rom_file:
err_resource_files:
pci_remove_resource_files(pdev);
err_config_file:
- if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
- sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
- else
+ if (pdev->cfg_size > PCI_CFG_SPACE_SIZE)
sysfs_remove_bin_file(&pdev->dev.kobj, &pcie_config_attr);
+ else
+ sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
err:
return retval;
}
@@ -1464,10 +1454,10 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
pci_remove_capabilities_sysfs(pdev);
- if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
- sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
- else
+ if (pdev->cfg_size > PCI_CFG_SPACE_SIZE)
sysfs_remove_bin_file(&pdev->dev.kobj, &pcie_config_attr);
+ else
+ sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
pci_remove_resource_files(pdev);
@@ -1511,7 +1501,7 @@ static struct attribute *pci_dev_dev_attrs[] = {
static umode_t pci_dev_attrs_are_visible(struct kobject *kobj,
struct attribute *a, int n)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct pci_dev *pdev = to_pci_dev(dev);
if (a == &vga_attr.attr)
@@ -1530,7 +1520,7 @@ static struct attribute *pci_dev_hp_attrs[] = {
static umode_t pci_dev_hp_attrs_are_visible(struct kobject *kobj,
struct attribute *a, int n)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct pci_dev *pdev = to_pci_dev(dev);
if (pdev->is_virtfn)
@@ -1554,7 +1544,7 @@ static struct attribute *sriov_dev_attrs[] = {
static umode_t sriov_attrs_are_visible(struct kobject *kobj,
struct attribute *a, int n)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
if (!dev_is_pf(dev))
return 0;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index d1a7105b9276..602eb4223510 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1417,7 +1417,7 @@ struct pci_devres {
static void pcim_release(struct device *gendev, void *res)
{
- struct pci_dev *dev = container_of(gendev, struct pci_dev, dev);
+ struct pci_dev *dev = to_pci_dev(gendev);
struct pci_devres *this = res;
int i;
@@ -1534,7 +1534,7 @@ void __weak pcibios_release_device(struct pci_dev *dev) {}
* is the default implementation. Architecture implementations can
* override this.
*/
-void __weak pcibios_disable_device (struct pci_dev *dev) {}
+void __weak pcibios_disable_device(struct pci_dev *dev) {}
/**
* pcibios_penalize_isa_irq - penalize an ISA IRQ
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index f6f151a42147..9a1660f592ef 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -144,10 +144,8 @@ extern unsigned int pci_pm_d3_delay;
#ifdef CONFIG_PCI_MSI
void pci_no_msi(void);
-void pci_msi_init_pci_dev(struct pci_dev *dev);
#else
static inline void pci_no_msi(void) { }
-static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { }
#endif
static inline void pci_msi_set_enable(struct pci_dev *dev, int enable)
diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c
index 182224acedbe..20db790465dd 100644
--- a/drivers/pci/pcie/aer/aer_inject.c
+++ b/drivers/pci/pcie/aer/aer_inject.c
@@ -41,12 +41,12 @@ struct aer_error_inj {
u32 header_log1;
u32 header_log2;
u32 header_log3;
- u16 domain;
+ u32 domain;
};
struct aer_error {
struct list_head list;
- u16 domain;
+ u32 domain;
unsigned int bus;
unsigned int devfn;
int pos_cap_err;
@@ -74,7 +74,7 @@ static LIST_HEAD(pci_bus_ops_list);
/* Protect einjected and pci_bus_ops_list */
static DEFINE_SPINLOCK(inject_lock);
-static void aer_error_init(struct aer_error *err, u16 domain,
+static void aer_error_init(struct aer_error *err, u32 domain,
unsigned int bus, unsigned int devfn,
int pos_cap_err)
{
@@ -86,7 +86,7 @@ static void aer_error_init(struct aer_error *err, u16 domain,
}
/* inject_lock must be held before calling */
-static struct aer_error *__find_aer_error(u16 domain, unsigned int bus,
+static struct aer_error *__find_aer_error(u32 domain, unsigned int bus,
unsigned int devfn)
{
struct aer_error *err;
@@ -106,7 +106,7 @@ static struct aer_error *__find_aer_error_by_dev(struct pci_dev *dev)
int domain = pci_domain_nr(dev->bus);
if (domain < 0)
return NULL;
- return __find_aer_error((u16)domain, dev->bus->number, dev->devfn);
+ return __find_aer_error(domain, dev->bus->number, dev->devfn);
}
/* inject_lock must be held before calling */
@@ -196,7 +196,7 @@ static int pci_read_aer(struct pci_bus *bus, unsigned int devfn, int where,
domain = pci_domain_nr(bus);
if (domain < 0)
goto out;
- err = __find_aer_error((u16)domain, bus->number, devfn);
+ err = __find_aer_error(domain, bus->number, devfn);
if (!err)
goto out;
@@ -228,7 +228,7 @@ static int pci_write_aer(struct pci_bus *bus, unsigned int devfn, int where,
domain = pci_domain_nr(bus);
if (domain < 0)
goto out;
- err = __find_aer_error((u16)domain, bus->number, devfn);
+ err = __find_aer_error(domain, bus->number, devfn);
if (!err)
goto out;
@@ -329,7 +329,7 @@ static int aer_inject(struct aer_error_inj *einj)
u32 sever, cor_mask, uncor_mask, cor_mask_orig = 0, uncor_mask_orig = 0;
int ret = 0;
- dev = pci_get_domain_bus_and_slot((int)einj->domain, einj->bus, devfn);
+ dev = pci_get_domain_bus_and_slot(einj->domain, einj->bus, devfn);
if (!dev)
return -ENODEV;
rpdev = pcie_find_root_port(dev);
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index fba785e9df75..712392504ed9 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -246,7 +246,7 @@ static int report_error_detected(struct pci_dev *dev, void *data)
!dev->driver->err_handler ||
!dev->driver->err_handler->error_detected) {
if (result_data->state == pci_channel_io_frozen &&
- !(dev->hdr_type & PCI_HEADER_TYPE_BRIDGE)) {
+ dev->hdr_type != PCI_HEADER_TYPE_BRIDGE) {
/*
* In case of fatal recovery, if one of down-
* stream device has no driver. We might be
@@ -269,7 +269,7 @@ static int report_error_detected(struct pci_dev *dev, void *data)
* without recovery.
*/
- if (!(dev->hdr_type & PCI_HEADER_TYPE_BRIDGE))
+ if (dev->hdr_type != PCI_HEADER_TYPE_BRIDGE)
vote = PCI_ERS_RESULT_NO_AER_DRIVER;
else
vote = PCI_ERS_RESULT_NONE;
@@ -369,7 +369,7 @@ static pci_ers_result_t broadcast_error_message(struct pci_dev *dev,
else
result_data.result = PCI_ERS_RESULT_RECOVERED;
- if (dev->hdr_type & PCI_HEADER_TYPE_BRIDGE) {
+ if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
/*
* If the error is reported by a bridge, we think this error
* is related to the downstream link of the bridge, so we
@@ -440,7 +440,7 @@ static pci_ers_result_t reset_link(struct pci_dev *dev)
pci_ers_result_t status;
struct pcie_port_service_driver *driver;
- if (dev->hdr_type & PCI_HEADER_TYPE_BRIDGE) {
+ if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
/* Reset this port for all subordinates */
udev = dev;
} else {
@@ -660,7 +660,7 @@ static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
&info->mask);
if (!(info->status & ~info->mask))
return 0;
- } else if (dev->hdr_type & PCI_HEADER_TYPE_BRIDGE ||
+ } else if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE ||
info->severity == AER_NONFATAL) {
/* Link is still healthy for IO reads */
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 317e3558a35e..2dfe7fdb77e7 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -834,21 +834,15 @@ static ssize_t link_state_store(struct device *dev,
{
struct pci_dev *pdev = to_pci_dev(dev);
struct pcie_link_state *link, *root = pdev->link_state->root;
- u32 val, state = 0;
-
- if (kstrtouint(buf, 10, &val))
- return -EINVAL;
+ u32 state;
if (aspm_disabled)
return -EPERM;
- if (n < 1 || val > 3)
- return -EINVAL;
- /* Convert requested state to ASPM state */
- if (val & PCIE_LINK_STATE_L0S)
- state |= ASPM_STATE_L0S;
- if (val & PCIE_LINK_STATE_L1)
- state |= ASPM_STATE_L1;
+ if (kstrtouint(buf, 10, &state))
+ return -EINVAL;
+ if ((state & ~ASPM_STATE_ALL) != 0)
+ return -EINVAL;
down_read(&pci_bus_sem);
mutex_lock(&aspm_lock);
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 553a029e37f1..6d7ab9bb0d5a 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1109,14 +1109,11 @@ static int pci_cfg_space_size_ext(struct pci_dev *dev)
int pos = PCI_CFG_SPACE_SIZE;
if (pci_read_config_dword(dev, pos, &status) != PCIBIOS_SUCCESSFUL)
- goto fail;
+ return PCI_CFG_SPACE_SIZE;
if (status == 0xffffffff || pci_ext_cfg_is_aliased(dev))
- goto fail;
+ return PCI_CFG_SPACE_SIZE;
return PCI_CFG_SPACE_EXP_SIZE;
-
- fail:
- return PCI_CFG_SPACE_SIZE;
}
int pci_cfg_space_size(struct pci_dev *dev)
@@ -1129,25 +1126,23 @@ int pci_cfg_space_size(struct pci_dev *dev)
if (class == PCI_CLASS_BRIDGE_HOST)
return pci_cfg_space_size_ext(dev);
- if (!pci_is_pcie(dev)) {
- pos = pci_find_capability(dev, PCI_CAP_ID_PCIX);
- if (!pos)
- goto fail;
+ if (pci_is_pcie(dev))
+ return pci_cfg_space_size_ext(dev);
- pci_read_config_dword(dev, pos + PCI_X_STATUS, &status);
- if (!(status & (PCI_X_STATUS_266MHZ | PCI_X_STATUS_533MHZ)))
- goto fail;
- }
+ pos = pci_find_capability(dev, PCI_CAP_ID_PCIX);
+ if (!pos)
+ return PCI_CFG_SPACE_SIZE;
- return pci_cfg_space_size_ext(dev);
+ pci_read_config_dword(dev, pos + PCI_X_STATUS, &status);
+ if (status & (PCI_X_STATUS_266MHZ | PCI_X_STATUS_533MHZ))
+ return pci_cfg_space_size_ext(dev);
- fail:
return PCI_CFG_SPACE_SIZE;
}
#define LEGACY_IO_RESOURCE (IORESOURCE_IO | IORESOURCE_PCI_FIXED)
-void pci_msi_setup_pci_dev(struct pci_dev *dev)
+static void pci_msi_setup_pci_dev(struct pci_dev *dev)
{
/*
* Disable the MSI hardware to avoid screaming interrupts
@@ -1214,8 +1209,6 @@ int pci_setup_device(struct pci_dev *dev)
/* "Unknown power state" */
dev->current_state = PCI_UNKNOWN;
- pci_msi_setup_pci_dev(dev);
-
/* Early fixups, before probing the BARs */
pci_fixup_device(pci_fixup_early, dev);
/* device class may be changed after fixup */
@@ -1605,8 +1598,8 @@ static void pci_init_capabilities(struct pci_dev *dev)
/* Enhanced Allocation */
pci_ea_init(dev);
- /* MSI/MSI-X list */
- pci_msi_init_pci_dev(dev);
+ /* Setup MSI caps & disable MSI/MSI-X interrupts */
+ pci_msi_setup_pci_dev(dev);
/* Buffers for saving PCIe and PCI-X capabilities */
pci_allocate_cap_save_buffers(dev);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index c2dd52ea4198..0575a1e026b4 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -287,6 +287,18 @@ static void quirk_citrine(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, quirk_citrine);
+/*
+ * This chip can cause bus lockups if config addresses above 0x600
+ * are read or written.
+ */
+static void quirk_nfp6000(struct pci_dev *dev)
+{
+ dev->cfg_size = 0x600;
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP4000, quirk_nfp6000);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP6000, quirk_nfp6000);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP6000_VF, quirk_nfp6000);
+
/* On IBM Crocodile ipr SAS adapters, expand BAR to system page size */
static void quirk_extend_bar_to_page(struct pci_dev *dev)
{
@@ -3622,6 +3634,10 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0642,
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_JMICRON,
PCI_DEVICE_ID_JMICRON_JMB388_ESD,
quirk_dma_func1_alias);
+/* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c117 */
+DECLARE_PCI_FIXUP_HEADER(0x1c28, /* Lite-On */
+ 0x0122, /* Plextor M6E (Marvell 88SS9183)*/
+ quirk_dma_func1_alias);
/*
* Some devices DMA with the wrong devfn, not just the wrong function.
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index eb0ad530dc43..9eaca39ef38d 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -77,25 +77,24 @@ size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size)
do {
void __iomem *pds;
/* Standard PCI ROMs start out with these bytes 55 AA */
- if (readb(image) != 0x55) {
- dev_err(&pdev->dev, "Invalid ROM contents\n");
+ if (readw(image) != 0xAA55) {
+ dev_err(&pdev->dev, "Invalid PCI ROM header signature: expecting 0xaa55, got %#06x\n",
+ readw(image));
break;
}
- if (readb(image + 1) != 0xAA)
- break;
- /* get the PCI data structure and check its signature */
+ /* get the PCI data structure and check its "PCIR" signature */
pds = image + readw(image + 24);
- if (readb(pds) != 'P')
- break;
- if (readb(pds + 1) != 'C')
- break;
- if (readb(pds + 2) != 'I')
- break;
- if (readb(pds + 3) != 'R')
+ if (readl(pds) != 0x52494350) {
+ dev_err(&pdev->dev, "Invalid PCI ROM data signature: expecting 0x52494350, got %#010x\n",
+ readl(pds));
break;
+ }
last_image = readb(pds + 21) & 0x80;
length = readw(pds + 16);
image += length * 512;
+ /* Avoid iterating through memory outside the resource window */
+ if (image > rom + size)
+ break;
} while (length && !last_image);
/* never return a size larger than the PCI resource window */
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 1723ac1b30e1..7796d0a5befa 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -442,7 +442,7 @@ static void __assign_resources_sorted(struct list_head *head,
break;
}
}
- }
+ }
}
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 1c6342ab8c0e..a2a0068a8387 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -187,7 +187,7 @@ struct msi_domain_info;
* @msi_free: Domain specific function to free a MSI interrupts
* @msi_check: Callback for verification of the domain/info/dev data
* @msi_prepare: Prepare the allocation of the interrupts in the domain
- * @msi_finish: Optional callbacl to finalize the allocation
+ * @msi_finish: Optional callback to finalize the allocation
* @set_desc: Set the msi descriptor for an interrupt
* @handle_error: Optional error handler if the allocation fails
*
@@ -195,7 +195,7 @@ struct msi_domain_info;
* msi_create_irq_domain() and related interfaces
*
* @msi_check, @msi_prepare, @msi_finish, @set_desc and @handle_error
- * are callbacks used by msi_irq_domain_alloc_irqs() and related
+ * are callbacks used by msi_domain_alloc_irqs() and related
* interfaces which are based on msi_desc.
*/
struct msi_domain_ops {
diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h
index 2c51ee78b1c0..f6e9e85164e8 100644
--- a/include/linux/of_pci.h
+++ b/include/linux/of_pci.h
@@ -59,6 +59,13 @@ static inline void of_pci_check_probe_only(void) { }
int of_pci_get_host_bridge_resources(struct device_node *dev,
unsigned char busno, unsigned char bus_max,
struct list_head *resources, resource_size_t *io_base);
+#else
+static inline int of_pci_get_host_bridge_resources(struct device_node *dev,
+ unsigned char busno, unsigned char bus_max,
+ struct list_head *resources, resource_size_t *io_base)
+{
+ return -EINVAL;
+}
#endif
#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
diff --git a/include/linux/pci.h b/include/linux/pci.h
index d86378c226fb..27df4a6585da 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1257,8 +1257,6 @@ struct msix_entry {
u16 entry; /* driver uses to specify entry, OS writes */
};
-void pci_msi_setup_pci_dev(struct pci_dev *dev);
-
#ifdef CONFIG_PCI_MSI
int pci_msi_vec_count(struct pci_dev *dev);
void pci_msi_shutdown(struct pci_dev *dev);
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 1acbefc4bbda..37f05cb1dfd6 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2496,6 +2496,11 @@
#define PCI_DEVICE_ID_KORENIX_JETCARDF3 0x17ff
#define PCI_VENDOR_ID_NETRONOME 0x19ee
+#define PCI_DEVICE_ID_NETRONOME_NFP3200 0x3200
+#define PCI_DEVICE_ID_NETRONOME_NFP3240 0x3240
+#define PCI_DEVICE_ID_NETRONOME_NFP4000 0x4000
+#define PCI_DEVICE_ID_NETRONOME_NFP6000 0x6000
+#define PCI_DEVICE_ID_NETRONOME_NFP6000_VF 0x6003
#define PCI_VENDOR_ID_QMI 0x1a32
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 8cf95de1ab3f..6e655f7acd3b 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -1061,6 +1061,7 @@ void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
__irq_set_handler(virq, handler, 0, handler_name);
irq_set_handler_data(virq, handler_data);
}
+EXPORT_SYMBOL(irq_domain_set_info);
/**
* irq_domain_reset_irq_data - Clear hwirq, chip and chip_data in @irq_data
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 15b249e7c673..38e89ce7b071 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -109,9 +109,11 @@ static int msi_domain_alloc(struct irq_domain *domain, unsigned int virq,
if (irq_find_mapping(domain, hwirq) > 0)
return -EEXIST;
- ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg);
- if (ret < 0)
- return ret;
+ if (domain->parent) {
+ ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg);
+ if (ret < 0)
+ return ret;
+ }
for (i = 0; i < nr_irqs; i++) {
ret = ops->msi_init(domain, info, virq + i, hwirq + i, arg);