Merge branch 'pci/misc' into next

* pci/misc:
  PCI: Fix kernel-doc build warning
  PCI: Move PCI_QUIRKS to the PCI bus menu
  alpha/PCI: Make pdev_save_srm_config() static
  PCI: Remove unused declarations
  PCI: Remove redundant pci_dev, pci_bus, resource declarations
  PCI: Remove redundant pcibios_set_master() declarations
  PCI/PME: Handle invalid data when reading Root Status
  x86/pci/intel_mid_pci: Constify intel_mid_pci_ops and make it __initconst
  PCI: Constify pci_dev_type structure

5 files changed, 16 insertions, 4 deletions

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index c32a77fc8b03..658d40af887a 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -29,6 +29,15 @@ config PCI_MSI_IRQ_DOMAIN
 	depends on PCI_MSI
 	select GENERIC_MSI_IRQ_DOMAIN
 
+config PCI_QUIRKS
+	default y
+	bool "Enable PCI quirk workarounds" if EXPERT
+	depends on PCI
+	help
+	  This enables workarounds for various PCI chipset bugs/quirks.
+	  Disable this only if your target machine is unaffected by PCI
+	  quirks.
+
 config PCI_DEBUG
 	bool "PCI Debugging"
 	depends on PCI && DEBUG_KERNEL
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 8e075ea2743e..5aa81ad91a88 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -1795,6 +1795,6 @@ static const struct attribute_group *pci_dev_attr_groups[] = {
 	NULL,
 };
 
-struct device_type pci_dev_type = {
+const struct device_type pci_dev_type = {
 	.groups = pci_dev_attr_groups,
 };
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 6078dfc11b11..d50c58d6acd3 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3471,7 +3471,7 @@ EXPORT_SYMBOL(devm_pci_remap_cfgspace);
  * All operations are managed and will be undone on driver detach.
  *
  * Returns a pointer to the remapped memory or an ERR_PTR() encoded error code
- * on failure. Usage example:
+ * on failure. Usage example::
  *
  *	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
  *	base = devm_pci_remap_cfg_resource(&pdev->dev, res);
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index a6560c9baa52..1db36f2e1ef5 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -192,7 +192,7 @@ static inline int pci_no_d1d2(struct pci_dev *dev)
 }
 extern const struct attribute_group *pci_dev_groups[];
 extern const struct attribute_group *pcibus_groups[];
-extern struct device_type pci_dev_type;
+extern const struct device_type pci_dev_type;
 extern const struct attribute_group *pci_bus_groups[];
 
 
diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c
index fafdb165dd2e..df290aa58dce 100644
--- a/drivers/pci/pcie/pme.c
+++ b/drivers/pci/pcie/pme.c
@@ -226,6 +226,9 @@ static void pcie_pme_work_fn(struct work_struct *work)
 			break;
 
 		pcie_capability_read_dword(port, PCI_EXP_RTSTA, &rtsta);
+		if (rtsta == (u32) ~0)
+			break;
+
 		if (rtsta & PCI_EXP_RTSTA_PME) {
 			/*
 			 * Clear PME status of the port.  If there are other
@@ -273,7 +276,7 @@ static irqreturn_t pcie_pme_irq(int irq, void *context)
 	spin_lock_irqsave(&data->lock, flags);
 	pcie_capability_read_dword(port, PCI_EXP_RTSTA, &rtsta);
 
-	if (!(rtsta & PCI_EXP_RTSTA_PME)) {
+	if (rtsta == (u32) ~0 || !(rtsta & PCI_EXP_RTSTA_PME)) {
 		spin_unlock_irqrestore(&data->lock, flags);
 		return IRQ_NONE;
 	}