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2016-09-12pcmcia: lubbock: fix sockets configurationRobert Jarzmik
On lubbock board, the probe of the driver crashes by dereferencing very early a platform_data structure which is not set, in pxa2xx_configure_sockets(). The stack fixed is : [ 0.244353] SA1111 Microprocessor Companion Chip: silicon revision 1, metal revision 1 [ 0.256321] sa1111 sa1111: Providing IRQ336-390 [ 0.340899] clocksource: Switched to clocksource oscr0 [ 0.472263] Unable to handle kernel NULL pointer dereference at virtual address 00000004 [ 0.480469] pgd = c0004000 [ 0.483432] [00000004] *pgd=00000000 [ 0.487105] Internal error: Oops: f5 [#1] ARM [ 0.491497] Modules linked in: [ 0.494650] CPU: 0 PID: 1 Comm: swapper Not tainted 4.8.0-rc3-00080-g1aaa68426f0c-dirty #2068 [ 0.503229] Hardware name: Intel DBPXA250 Development Platform (aka Lubbock) [ 0.510344] task: c3e42000 task.stack: c3e44000 [ 0.514984] PC is at pxa2xx_configure_sockets+0x4/0x24 (drivers/pcmcia/pxa2xx_base.c:227) [ 0.520193] LR is at pcmcia_lubbock_init+0x1c/0x38 [ 0.525079] pc : [<c0247c30>] lr : [<c02479b0>] psr: a0000053 [ 0.525079] sp : c3e45e70 ip : 100019ff fp : 00000000 [ 0.536651] r10: c0828900 r9 : c0434838 r8 : 00000000 [ 0.541953] r7 : c0820700 r6 : c0857b30 r5 : c3ec1400 r4 : c0820758 [ 0.548549] r3 : 00000000 r2 : 0000000c r1 : c3c09c40 r0 : c3ec1400 [ 0.555154] Flags: NzCv IRQs on FIQs off Mode SVC_32 ISA ARM Segment none [ 0.562450] Control: 0000397f Table: a0004000 DAC: 00000053 [ 0.568257] Process swapper (pid: 1, stack limit = 0xc3e44190) [ 0.574154] Stack: (0xc3e45e70 to 0xc3e46000) [ 0.578610] 5e60: c4849800 00000000 c3ec1400 c024769c [ 0.586928] 5e80: 00000000 c3ec140c c3c0ee0c c3ec1400 c3ec1434 c020c410 c3ec1400 c3ec1434 [ 0.595244] 5ea0: c0820700 c080b408 c0828900 c020c5f8 00000000 c0820700 c020c578 c020ac5c [ 0.603560] 5ec0: c3e687cc c3e71e10 c0820700 00000000 c3c02de0 c020bae4 c03c62f7 c03c62f7 [ 0.611872] 5ee0: c3e68780 c0820700 c042e034 00000000 c043c440 c020cdec c080b408 00000005 [ 0.620188] 5f00: c042e034 c00096c0 c0034440 c01c730c 20000053 ffffffff 00000000 00000000 [ 0.628502] 5f20: 00000000 c3ffcb87 c3ffcb90 c00346ac c3e66ba0 c03f7914 00000092 00000005 [ 0.636811] 5f40: 00000005 c03f847c 00000091 c03f847c 00000000 00000005 c0434828 00000005 [ 0.645125] 5f60: c043482c 00000092 c043c440 c0828900 c0434838 c0418d2c 00000005 00000005 [ 0.653430] 5f80: 00000000 c041858c 00000000 c032e9f0 00000000 00000000 00000000 00000000 [ 0.661729] 5fa0: 00000000 c032e9f8 00000000 c000f0f0 00000000 00000000 00000000 00000000 [ 0.670020] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.678311] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [ 0.686673] (pxa2xx_configure_sockets) from pcmcia_lubbock_init (/drivers/pcmcia/sa1111_lubbock.c:161) [ 0.696026] (pcmcia_lubbock_init) from pcmcia_probe (/drivers/pcmcia/sa1111_generic.c:213) [ 0.704358] (pcmcia_probe) from driver_probe_device (/drivers/base/dd.c:378 /drivers/base/dd.c:499) [ 0.712848] (driver_probe_device) from __driver_attach (/./include/linux/device.h:983 /drivers/base/dd.c:733) [ 0.721414] (__driver_attach) from bus_for_each_dev (/drivers/base/bus.c:313) [ 0.729723] (bus_for_each_dev) from bus_add_driver (/drivers/base/bus.c:708) [ 0.738036] (bus_add_driver) from driver_register (/drivers/base/driver.c:169) [ 0.746185] (driver_register) from do_one_initcall (/init/main.c:778) [ 0.754561] (do_one_initcall) from kernel_init_freeable (/init/main.c:843 /init/main.c:851 /init/main.c:869 /init/main.c:1016) [ 0.763409] (kernel_init_freeable) from kernel_init (/init/main.c:944) [ 0.771660] (kernel_init) from ret_from_fork (/arch/arm/kernel/entry-common.S:119) [ 0.779347] Code: c03c6305 c03c631e c03c632e e5903048 (e993000c) All code ======== 0: c03c6305 eorsgt r6, ip, r5, lsl #6 4: c03c631e eorsgt r6, ip, lr, lsl r3 8: c03c632e eorsgt r6, ip, lr, lsr #6 c: e5903048 ldr r3, [r0, #72] ; 0x48 10:* e993000c ldmib r3, {r2, r3} <-- trapping instruction Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-12pcmcia: sa1111: fix propagation of lowlevel board init return codeRussell King
When testing Lubbock, it was noticed that the sa1111 pcmcia driver bound but was not functional due to no sockets being registered. This is because the return code from the lowlevel board initialisation was not being propagated out of the probe function. Fix this. Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-12pcmcia: soc_common: fix SS_STSCHG polarityRussell King
SS_STSCHG should be set for an IO card when the BVD1 signal is asserted low, not high. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-12pcmcia: sa11xx_base: add units to the timing informationRussell King
Add units to the timing information, so we know that the numbers are nanoseconds. The output changes from: I/O : 165 (172) attribute: 300 (316) common : 300 (316) to: I/O : 165ns (172ns) attribute: 300ns (316ns) common : 300ns (316ns) Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-12pcmcia: sa11xx_base: fix reporting of timing informationRussell King
Fix the reporting of the currently programmed timing information. These entries have been showing zero due to the clock rate being a factor of 1000 too big. With this change, we go from: I/O : 165 (0) attribute: 300 (0) common : 300 (0) to: I/O : 165 (172) attribute: 300 (316) common : 300 (316) Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-12pcmcia: ds: fix suspend/resumeRussell King
PCMCIA suspend/resume no longer works since the commit mentioned below, as the callbacks are no longer made. Convert the driver to the new dev_pm_ops, which restores the suspend/resume functionality. Tested on the arm arch Assabet platform. Fixes: aa8e54b559479 ("PM / sleep: Go direct_complete if driver has no callbacks") Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-05-01powerpc/mm: Use a helper for finding pte bits mapping I/O areaAneesh Kumar K.V
Use a helper instead of open coding with constants. A later patch will drop the WIMG bits and use PowerISA 3.0 defines. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-03-29pcmcia: db1xxx_ss: fix last irq_to_gpio userManuel Lauss
remove the usage of removed irq_to_gpio() function. On pre-DB1200 boards, pass the actual carddetect GPIO number instead of the IRQ, because we need the gpio to actually test card status (inserted or not) and can get the irq number with gpio_to_irq() instead. Tested on DB1300 and DB1500, this patch fixes PCMCIA on the DB1500, which used irq_to_gpio(). Fixes: 832f5dacfa0b ("MIPS: Remove all the uses of custom gpio.h") Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: linux-pcmcia@lists.infradead.org Cc: Linux-MIPS <linux-mips@linux-mips.org> Cc: stable@vger.kernel.org # v4.3+ Patchwork: https://patchwork.linux-mips.org/patch/12747/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-02-16gpio: Include linux/gpio.h instead of asm/gpio.hBjorn Helgaas
Most arches have an asm/gpio.h that merely includes linux/gpio.h. The others select ARCH_HAVE_CUSTOM_GPIO_H, and when that's selected, linux/gpio.h includes asm/gpio.h. Therefore, code should include linux/gpio.h instead of including asm/gpio.h directly. Remove includes of asm/gpio.h, adding an include of linux/gpio.h when necessary. This is a follow-on to 7563bbf89d06 ("gpiolib/arches: Centralise bolierplate asm/gpio.h"). Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-10-05pcmcia: use kstrdup() in pcmcia_device_query()Geliang Tang
Use kstrdup instead of kmalloc and strncpy. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-03pcmcia: soc_common: remove skt_dev_info's clk pointerRussell King
We no longer need to store the clk pointer in struct skt_dev_info as we no longer need to remember the clk pointer for the cleanup paths. Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-03pcmcia: sa11xx_base.c: remove useless init/exit functionsRussell King
A library module is not required to have module init/exit functions. Get rid of these unnecessary functions. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-03pcmcia: sa1111: simplify clk handing in sa1111_pcmcia_add()Russell King
clk_get(dev, NULL) will always refer to the same clock, so it's pointless calling this multiple times for the same device. As we no longer have to worry about the cleanup (via use of devm_clk_get()) we can simplify sa1111_pcmcia_add() too. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-03pcmcia: sa1111: update socket driver to use devm_clk_get() APIRussell King
Update the pxa2xx socket driver to use the devm_clk_get() API so that the cleanup paths are simplified. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-03pcmcia: pxa2xx: convert memory allocation to devm_* APIRussell King
Convert the pxa2xx socket driver memory allocation to use devm_kzalloc() to simplify the cleanup path. Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-03pcmcia: pxa2xx: update socket driver to use devm_clk_get() APIRussell King
Update the pxa2xx socket driver to use the devm_clk_get() API so that the cleanup paths are simplified. Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-08pcmcia: sa11x0: convert memory allocation to devm_* APIRussell King
Convert the sa11x0 socket driver memory allocation to use devm_kzalloc() to simplify the cleanup path. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-08pcmcia: sa11x0: fix missing clk_put() in sa11x0 socket driversRussell King
Fix the lack of clk_put() in sa11xx_base.c's error cleanup paths by converting the driver to the devm_* API. Fixes: 86d88bfca475 ("ARM: 8247/2: pcmcia: sa1100: make use of device clock") Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-02Merge tag 'module-implicit-v4.1-rc8' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux Pull implicit module.h fixes from Paul Gortmaker: "Fix up implicit <module.h> users that will break later. The files changed here are simply modular source files that are implicitly relying on <module.h> being present. We fix them up now, so that we can decouple some of the module related init code from the core init code in the future. The addition of the module.h include to several files here is also a no-op from a code generation point of view, else there would already be compile issues with these files today. There may be lots more implicit includes of <module.h> in tree, but these are the ones that extensive build test coverage has shown that must be fixed in order to avoid build breakage fallout for the pending module.h <---> init.h code relocation we desire to complete" * tag 'module-implicit-v4.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: frv: add module.h to mb93090-mb00/flash.c to avoid compile fail drivers/cpufreq: include <module.h> for modular exynos-cpufreq.c code drivers/staging: include <module.h> for modular android tegra_ion code crypto/asymmetric_keys: pkcs7_key_type needs module.h sh: mach-highlander/psw.c is tristate and should use module.h drivers/regulator: include <module.h> for modular max77802 code drivers/pcmcia: include <module.h> for modular xxs1500_ss code drivers/hsi: include <module.h> for modular omap_ssi code drivers/gpu: include <module.h> for modular rockchip code drivers/gpio: include <module.h> for modular crystalcove code drivers/clk: include <module.h> for clk-max77xxx modular code
2015-06-26Merge tag 'char-misc-4.2-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here's the big char/misc driver pull request for 4.2-rc1. Lots of mei, extcon, coresight, uio, mic, and other driver updates in here. Full details in the shortlog. All of these have been in linux-next for some time with no reported problems" * tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (176 commits) mei: me: wait for power gating exit confirmation mei: reset flow control on the last client disconnection MAINTAINERS: mei: add mei_cl_bus.h to maintained file list misc: sram: sort and clean up included headers misc: sram: move reserved block logic out of probe function misc: sram: add private struct device and virt_base members misc: sram: report correct SRAM pool size misc: sram: bump error message level on unclean driver unbinding misc: sram: fix device node reference leak on error misc: sram: fix enabled clock leak on error path misc: mic: Fix reported static checker warning misc: mic: Fix randconfig build error by including errno.h uio: pruss: Drop depends on ARCH_DAVINCI_DA850 from config uio: pruss: Add CONFIG_HAS_IOMEM dependence uio: pruss: Include <linux/sizes.h> extcon: Redefine the unique id of supported external connectors without 'enum extcon' type char:xilinx_hwicap:buffer_icap - change 1/0 to true/false for bool type variable in function buffer_icap_set_configuration(). Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion parport: check exclusive access before register w1: use correct lock on error in w1_seq_show() ...
2015-06-26Merge tag 'armsoc-cleanup' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC cleanups from Kevin Hilman: "A relatively small setup of cleanups this time around, and similar to last time the bulk of it is removal of legacy board support: - OMAP: removal of legacy (non-DT) booting for several platforms - i.MX: remove some legacy board files" * tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (36 commits) ARM: fix EFM32 build breakage caused by cpu_resume_arm ARM: 8389/1: Add cpu_resume_arm() for firmwares that resume in ARM state ARM: v7 setup function should invalidate L1 cache mach-omap2: Remove use of deprecated marco, PTR_RET in devices.c ARM: OMAP2+: Remove calls to deprecacted marco,PTR_RET in the files,fb.c and pmu.c ARM: OMAP2+: Constify irq_domain_ops ARM: OMAP2+: use symbolic defines for console loglevels instead of numbers ARM: at91: remove useless Makefile.boot ARM: at91: remove at91rm9200_sdramc.h ARM: at91: remove mach/at91_ramc.h and mach/at91rm9200_mc.h ARM: at91/pm: use the atmel-mc syscon defines pcmcia: at91_cf: Use syscon to configure the MC/smc ARM: at91: declare the at91rm9200 memory controller as a syscon mfd: syscon: Add Atmel MC (Memory Controller) registers definition ARM: at91: drop sam9_smc.c ata: at91: use syscon to configure the smc ARM: ux500: delete static resource defines ARM: ux500: rename ux500_map_io ARM: ux500: look up PRCMU resource from DT ARM: ux500: kill off L2CC static map ...
2015-06-16drivers/pcmcia: include <module.h> for modular xxs1500_ss codePaul Gortmaker
This file is built off of a tristate Kconfig option and also contains modular function calls so it should explicitly include module.h to avoid compile breakage during header shuffles done in the future. Cc: Wolfram Sang <wsa@the-dreams.de> Acked-by: Wolfram Sang <wsa@the-dreams.de> Cc: linux-pcmcia@lists.infradead.org Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2015-06-16pcmcia: do not break rsrc_nonstatic when handling anonymous cardsDominik Brodowski
Patch 1c6c9b1d9d25 caused a regression for rsrc_nonstatic: It relies on pccard_validate_cis() to determine whether an iomem resource can be used for PCMCIA cards. This override, however, lead invalid iomem resources to be accepted -- and lead to a fake CIS being used instead of the original CIS. To fix this issue, move the override for anonymous cards to the one place where it is needed -- when adding a PCMCIA device. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-06-14pcmcia: Fix resource leaks in yenta_probe() and _close()Takeshi Yoshimura
There are some resource leaks in yenta_probe() and _close(). I fixed the following issues with some code cleanups. Thanks to Dominik's suggestions. On the error path in yenta_probe(): - a requested irq is not released - yenta_free_resources() and pci_set_drvdata(dev, NULL) are not called In yenta_close(): - kfree(sock) is not called - sock->base is always set to non-NULL when yenta_close() is called, therefore the check in yenta_close() is not necessary. Signed-off-by: Takeshi Yoshimura <yos@sslab.ics.keio.ac.jp> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-06-13Disable write buffering on Toshiba ToPIC95Ryan Underwood
Disable write buffering on the Toshiba ToPIC95 if it is enabled by somebody (it is not supposed to be a power-on default according to the datasheet). On the ToPIC95, practically no 32-bit Cardbus card will work under heavy load without locking up the whole system if this is left enabled. I tried about a dozen. It does not affect 16-bit cards. This is similar to the O2 bugs in early controller revisions it seems. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=55961 Cc: <stable@vger.kernel.org> Signed-off-by: Ryan C. Underwood <nemesis@icequake.net> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30pcmcia: Convert dev_printk to dev_<level>Joe Perches
Reduce object size a little by using dev_<level> calls instead of dev_printk(KERN_<LEVEL>. Other miscellanea: o Coalesce formats o Realign arguments o Use pr_cont instead of naked printk reorder test to use "%s\n" Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30pcmcia/vrc4171: Remove typedefs for enums and structHimangi Saraogi
The Linux kernel coding style guidelines suggest not using typedefs for structure and enum types. This patch gets rid of the typedefs for vrc4171_slot_t, vrc4171_slotb_t and vrc4171_socket_t. Also, the names of the enums and the struct are changed to drop the _t, to make the name look less typedef-like. The following Coccinelle semantic patch detects the cases for struct type: @tn@ identifier i; type td; @@ -typedef struct i { ... } -td ; @@ type tn.td; identifier tn.i; @@ -td + struct i Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30pcmcia: Remove typedef in structs and emumHimangi Saraogi
The Linux kernel coding style guidelines suggest not using typedefs for structure and enum types. This patch gets rid of the typedefs for cirrus_state_t, vg46x_state_t and pcic_id. Also, the names of the structs are changed to drop the _t, to make the name look less typedef-like. The following Coccinelle semantic patch detects the cases for struct type: @tn@ identifier i; type td; @@ -typedef struct i { ... } -td ; @@ type tn.td; identifier tn.i; @@ -td + struct i [linux@dominikbrodowski.net: fix patch to apply cleanly after e632cd94723e was applied first] Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30pcmcia: Remove typedef tuple_flagsHimangi Saraogi
The Linux kernel coding style guidelines suggest not using typedefs for structure types. This patch gets rid of the typedef for tuple_flags. The following Coccinelle semantic patch makes the transformation. @tn@ identifier i; type td; @@ -typedef struct i { ... } -td ; @@ type tn.td; identifier tn.i; @@ -td + struct i Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30drivers: pcmcia: electra_cf.c fix checkpatch error and warningsLaurent Navet
fix these checkpatch errors and warning: - ERROR: "foo * bar" should be "foo *bar" - WARNING: please, no space before tabs - WARNING: sizeof *cf should be sizeof(*cf) - WARNING: space prohibited between function name and open parenthesis '('i Signed-off-by: Laurent Navet <laurent.navet@gmail.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30drivers: pcmcia: ds.c fix checkpatch errorsLaurent Navet
fix these checkpatch errors : - ERROR: spaces required around that '<' (ctx:VxW) - ERROR: "foo * bar" should be "foo *bar" - WARNING: please, no space before tabs Signed-off-by: Laurent Navet <laurent.navet@gmail.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30PCMCIA: Remove commented references to dead class_device_create_file()Robert P. J. Day
Since this routine doesn't even exist anymore, there's no point leaving in commented code using it. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30drivers/pcmcia/electra_cf.c: add missing iounmap and kfreeJulia Lawall
cf and cf->mem_base have been allocated at the point of this failure, so they should be freed before leaving the function. [linux@dominikbrodowski.net: limit call to device_init_wakeup() to the same error paths as before] Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30pcmcia: replace open-coded ARRAY_SIZE with macroJim Cromie
Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-24pcmcia: fix a boot time warning in pcmcia cs codeDmitry Eremin-Solenikov
During bootup pcmcia (pccardd) code enforces the following warning backtrace: do not call blocking ops when !TASK_RUNNING; state=1 set at [<c0319e74>] pccardd+0xb8/0x3fc Modules linked in: CPU: 0 PID: 14 Comm: pccardd Not tainted 4.0.0-rc6+ #11 Hardware name: Sharp-Collie [<c0105cd8>] (unwind_backtrace) from [<c0103ef8>] (show_stack+0x10/0x14) [<c0103ef8>] (show_stack) from [<c010e9b8>] (warn_slowpath_common+0x74/0xac) [<c010e9b8>] (warn_slowpath_common) from [<c010ea20>] (warn_slowpath_fmt+0x30/0x40) [<c010ea20>] (warn_slowpath_fmt) from [<c012b1b4>] (__might_sleep+0x84/0xa0) [<c012b1b4>] (__might_sleep) from [<c040fbb0>] (mutex_lock_nested+0x24/0x388) [<c040fbb0>] (mutex_lock_nested) from [<c0319eb4>] (pccardd+0xf8/0x3fc) [<c0319eb4>] (pccardd) from [<c0127370>] (kthread+0xdc/0xfc) [<c0127370>] (kthread) from [<c01013a8>] (ret_from_fork+0x14/0x2c) ---[ end trace fd94911637eed4ba ]--- This happens due to kthread trying to lock mutex in a TASK_INTERRUPTIBLE state. Limit TASK_INTERRUPTIBLE task state to the schedule() call only, so that the rest of the code runs in TASK_RUNNING state. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-20pcmcia: at91_cf: Use syscon to configure the MC/smcAlexandre Belloni
Use syscon/regmap to configure the smc part of the memory controller. This allows to avoid using mach/at91rm9200_mc.h and mach/at91_ramc.h and to compile the driver in a multiplatform configuration. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-04-22Merge tag 'armsoc-cleanup' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC cleanups from Olof Johansson: "We've got a fairly large cleanup branch this time. The bulk of this is removal of non-DT platforms of several flavors: - Atmel at91 platforms go full-DT, with removal of remaining board-file based support - OMAP removes legacy board files for three more platforms - removal of non-DT mach-msm, newer Qualcomm platforms now live in mach-qcom - Freescale i.MX25 also removes non-DT platform support" Most of the rest of the changes here are fallout from the above, i.e. for example removal of drivers that now lack platforms, etc. * tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (58 commits) mmc: Remove msm_sdcc driver gpio: Remove gpio-msm-v1 driver ARM: Remove mach-msm and associated ARM architecture code ARM: shmobile: cpuidle: Remove the pointless default driver ARM: davinci: dm646x: Add interrupt resource for McASPs ARM: davinci: irqs: Correct McASP1 TX interrupt definition for DM646x ARM: davinci: dm646x: Clean up the McASP DMA resources ARM: davinci: devices-da8xx: Add support for McASP2 on da830 ARM: davinci: devices-da8xx: Clean up and correct the McASP device creation ARM: davinci: devices-da8xx: Add interrupt resource to McASP structs ARM: davinci: devices-da8xx: Add resource name for the McASP DMA request ARM: OMAP2+: Remove legacy support for omap3 TouchBook ARM: OMAP3: Remove legacy support for devkit8000 ARM: OMAP3: Remove legacy support for EMA-Tech Stalker board ARM: shmobile: Consolidate the pm code for R-Car Gen2 ARM: shmobile: r8a7791: Correct SYSCIER value ARM: shmobile: r8a7790: Correct SYSCIER value ARM: at91: remove old setup ARM: at91: sama5d4: remove useless map_io ARM: at91: sama5 use SoC detection infrastructure ...
2015-03-25Merge 4.0-rc5 into char-misc-nextGreg Kroah-Hartman
We want those fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-16pcmcia: Use setup_timer and mod_timerVaishali Thakkar
This patch introduces the use of functions setup_timer and mod_timer. This is done using Coccinelle and semantic patch used for this as follows: // <smpl> @@ expression x,y,z,a,b; @@ -init_timer (&x); +setup_timer (&x, y, z); +mod_timer (&a, b); -x.function = y; -x.data = z; -x.expires = b; -add_timer(&a); // </smpl> Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-16pcmcia: Use setup_timerVaishali Thakkar
This patch introduces the use of function setup_timer. This is done using Coccinelle and semantic patch used is as follows: @@ expression x,y,z; @@ - init_timer (&x); + setup_timer (&x, y, z); - x.function = y; - x.data = z; Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-13ARM: at91: remove NEED_MACH_IO_HArnd Bergmann
The mach/io.h header on at91 is used to support a nonstandard I/O space window for the cf card driver. This changes the driver to use pci_ioremap_io in order to have the standard location, and then removes the custom mach/io.h. [alexandre.belloni@free-electrons.com: Added PCI dependency] Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-03-11Revert "pcmcia: add a new resource manager for non ISA systems"Greg Kroah-Hartman
This reverts commit 02b03846bb2befc558bfd0665749d6bb26f4c2f1. Alan writes: it seems there is a regression in there for some configuration of I/O based devices. I'll take a look at it over the next couple of kernel releases and see what is up then resubmit it with fixes. Reported-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-11Revert "pcmcia: fix incorrect bracketing on a test"Greg Kroah-Hartman
This reverts commit c3762b248faf9db2b00b36c0535f79758942069e. The file this fixes is about to be reverted. Reported-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-11Revert "pcmcia: add missing include for new pci resource handler"Greg Kroah-Hartman
This reverts commit d885d4f3728f386034bb2f7a61b7f2054c49b2d4 as the patch that it fixes is about to be reverted. Reported-by: Alan Cox <alan@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Jim Davis <jim.epost@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-02-17Merge tag 'drivers-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC driver updates from Olof Johansson: "These are changes for drivers that are intimately tied to some SoC and for some reason could not get merged through the respective subsystem maintainer tree. This time around, much of this is for at91, with the bulk of it being syscon and udc drivers. Also, there's: - coupled cpuidle support for Samsung Exynos4210 - Renesas 73A0 common-clk work - of/platform changes to tear down DMA mappings on device destruction - a few updates to the TI Keystone knav code" * tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits) cpuidle: exynos: add coupled cpuidle support for exynos4210 ARM: EXYNOS: apply S5P_CENTRAL_SEQ_OPTION fix only when necessary soc: ti: knav_qmss_queue: change knav_range_setup_acc_irq to static soc: ti: knav_qmss_queue: makefile tweak to build as dynamic module pcmcia: at91_cf: depend on !ARCH_MULTIPLATFORM soc: ti: knav_qmss_queue: export API calls for use by user driver of/platform: teardown DMA mappings on device destruction usb: gadget: at91_udc: Allocate udc instance usb: gadget: at91_udc: Update DT binding documentation usb: gadget: at91_udc: Rework for multi-platform kernel support usb: gadget: at91_udc: Simplify probe and remove functions usb: gadget: at91_udc: Remove non-DT handling code usb: gadget: at91_udc: Document DT clocks and clock-names property usb: gadget: at91_udc: Drop uclk clock usb: gadget: at91_udc: Fix clock names mfd: syscon: Add Atmel SMC binding doc mfd: syscon: Add atmel-smc registers definition mfd: syscon: Add Atmel Matrix bus DT binding documentation mfd: syscon: Add atmel-matrix registers definition clk: shmobile: fix sparse NULL pointer warning ...
2015-01-29pcmcia: at91_cf: depend on !ARCH_MULTIPLATFORMAlexandre Belloni
Until the driver is corrected to stop including mach/at91_ramc.h and using mach/io.h, it won't compile in a ARCH_MULTIPLATFORM configuration. Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-25pcmcia: fix incorrect bracketing on a testAlan
Reported by wonderful 0-Day Test infrastructure. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-13pcmcia: add missing include for new pci resource handlerArnd Bergmann
The recently added rsrc_pci.c file calls pci_bus_alloc_resource without including the header file that declares it, and that sometimes causes a build warning on ARM: drivers/pcmcia/rsrc_pci.c: In function 'find_io_region': drivers/pcmcia/rsrc_pci.c:40:2: error: implicit declaration of function 'pci_bus_alloc_resource' [-Werror=implicit-function-declaration] This adds the missing include statement. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 02b03846bb2be ("pcmcia: add a new resource manager for non ISA systems") Acked-by: Alan Cox <alan@linux.intel.com> Reported-by: Jim Davis <jim.epost@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-12pcmcia: add a new resource manager for non ISA systemsAlan Cox
On a pure PCI platform we don't actually need all the complexity of the rsrc_nonstatic manager, in fact we can just work directly with the pci allocators and avoid all the complexity (and code bloat). Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-12pcmcia: handle anonymous cards by generating a fake CISAlan Cox
The core pcmcia code blows up all over the place if it allowed a card without a valid CIS. We need to allow such cards as the CIS stuff is not on the older flash, ROM and SRAM cards. In order to minimise the risk of misidentifying junk and feeding it to the wrong thing we only fix up apparently anonymous cards if the driver for them has been enabled. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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