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Merge branch 'fixes-20090312' of git://git.kernel.org/pub/scm/linux/kernel/git/willy/pci

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* 'fixes-20090312' of git://git.kernel.org/pub/scm/linux/kernel/git/willy/pci:
  PCIe: portdrv: call pci_disable_device during remove
  pci: Fix typo in message while disabling HT MSI mapping
  pci: don't disable too many HT MSI mapping
  powerpc/pseries: The RPA PCI hotplug driver depends on EEH
  PCIe: AER: during disable, check subordinate before walking
  PCI: Add PCI quirk to disable L0s ASPM state for 82575 and 82598
This commit is contained in:
Linus Torvalds 2009-03-12 16:22:51 -07:00
commit 8be3e1f1ca
4 changed files with 35 additions and 2 deletions
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2
drivers/pci/hotplug/Kconfig
View File

@ -143,7 +143,7 @@ config HOTPLUG_PCI_SHPC
config HOTPLUG_PCI_RPA
tristate "RPA PCI Hotplug driver"
depends on PPC_PSERIES && PPC64 && !HOTPLUG_PCI_FAKE
depends on PPC_PSERIES && EEH && !HOTPLUG_PCI_FAKE
help
Say Y here if you have a RPA system that supports PCI Hotplug.

3
drivers/pci/pcie/aer/aerdrv_core.c
View File

@ -133,6 +133,9 @@ static void set_downstream_devices_error_reporting(struct pci_dev *dev,
bool enable)
{
set_device_error_reporting(dev, &enable);
if (!dev->subordinate)
return;
pci_walk_bus(dev->subordinate, set_device_error_reporting, &enable);
}

1
drivers/pci/pcie/portdrv_pci.c
View File

@ -103,6 +103,7 @@ static int __devinit pcie_portdrv_probe (struct pci_dev *dev,
static void pcie_portdrv_remove (struct pci_dev *dev)
{
pcie_port_device_remove(dev);
pci_disable_device(dev);
kfree(pci_get_drvdata(dev));
}

31
drivers/pci/quirks.c
View File

@ -23,6 +23,7 @@
#include <linux/acpi.h>
#include <linux/kallsyms.h>
#include <linux/dmi.h>
#include <linux/pci-aspm.h>
#include "pci.h"
int isa_dma_bridge_buggy;
@ -1749,6 +1750,30 @@ static void __devinit quirk_e100_interrupt(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, quirk_e100_interrupt);
/*
* The 82575 and 82598 may experience data corruption issues when transitioning
* out of L0S. To prevent this we need to disable L0S on the pci-e link
*/
static void __devinit quirk_disable_aspm_l0s(struct pci_dev *dev)
{
dev_info(&dev->dev, "Disabling L0s\n");
pci_disable_link_state(dev, PCIE_LINK_STATE_L0S);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10a7, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10a9, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10b6, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10c6, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10c7, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10c8, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10d6, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10db, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10dd, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10e1, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10ec, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f1, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f4, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1508, quirk_disable_aspm_l0s);
static void __devinit fixup_rev1_53c810(struct pci_dev* dev)
{
/* rev 1 ncr53c810 chips don't set the class at all which means
@ -2097,7 +2122,7 @@ static void __devinit ht_disable_msi_mapping(struct pci_dev *dev)
if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
&flags) == 0) {
dev_info(&dev->dev, "Enabling HT MSI Mapping\n");
dev_info(&dev->dev, "Disabling HT MSI Mapping\n");
pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
flags & ~HT_MSI_FLAGS_ENABLE);
@ -2141,6 +2166,10 @@ static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
int pos;
int found;
/* Enabling HT MSI mapping on this device breaks MCP51 */
if (dev->device == 0x270)
return;
/* check if there is HT MSI cap or enabled on this device */
found = ht_check_msi_mapping(dev);