diff options
| author |   Ingo Molnar <mingo@kernel.org> | 2012-06-20 14:22:32 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-06-20 14:22:34 +0200 |
| commit | 6a991acceedce3ca93caef8ba7af2468c9451614 (patch) | |
| tree | 1997d71fc57bdebd12fc70a73070281614b52f15 /drivers/pci/quirks.c | |
| parent | x86: Save cr2 in NMI in case NMIs take a page fault (for i386) (diff) | |
| parent | Linux 3.5-rc3 (diff) | |
| download | linux-dev-6a991acceedce3ca93caef8ba7af2468c9451614.tar.xz linux-dev-6a991acceedce3ca93caef8ba7af2468c9451614.zip | |
Merge commit 'v3.5-rc3' into x86/debug
Merge it in to pick up a fix that we are going to clean up in this
branch.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/pci/quirks.c')
| -rw-r--r-- | drivers/pci/quirks.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 2a7521677541..194b243a2817 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2929,6 +2929,32 @@ static void __devinit disable_igfx_irq(struct pci_dev *dev) DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0102, disable_igfx_irq); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq); +/* + * The Intel 6 Series/C200 Series chipset's EHCI controllers on many + * ASUS motherboards will cause memory corruption or a system crash + * if they are in D3 while the system is put into S3 sleep. + */ +static void __devinit asus_ehci_no_d3(struct pci_dev *dev) +{ + const char *sys_info; + static const char good_Asus_board[] = "P8Z68-V"; + + if (dev->dev_flags & PCI_DEV_FLAGS_NO_D3_DURING_SLEEP) + return; + if (dev->subsystem_vendor != PCI_VENDOR_ID_ASUSTEK) + return; + sys_info = dmi_get_system_info(DMI_BOARD_NAME); + if (sys_info && memcmp(sys_info, good_Asus_board, + sizeof(good_Asus_board) - 1) == 0) + return; + + dev_info(&dev->dev, "broken D3 during system sleep on ASUS\n"); + dev->dev_flags |= PCI_DEV_FLAGS_NO_D3_DURING_SLEEP; + device_set_wakeup_capable(&dev->dev, false); +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1c26, asus_ehci_no_d3); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1c2d, asus_ehci_no_d3); + static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_fixup *end) { |