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| author | Dave Airlie <airlied@redhat.com> | 2015-01-27 09:48:08 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-01-27 09:48:08 +1000 |
| commit | 22cbbceff65cb03ee37495b52f360809fa439293 (patch) | |
| tree | 59ee71a72328743242a2357b0a0af8697d1640e4 /drivers/pci/quirks.c | |
| parent | 104b61590dcd5f71ff518e2b820e1cdf9d0350f2 (diff) | |
| parent | 26bc420b59a38e4e6685a73345a0def461136dce (diff) | |
Merge tag 'v3.19-rc6' into drm-fixes
Linux 3.19-rc6
pull in rc6 as the amdkfd fixes are based on it, and I'd rather
be doing the merges separately
Diffstat (limited to 'drivers/pci/quirks.c')
| -rw-r--r-- | drivers/pci/quirks.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index ed6f89b6efe5..e52356aa09b8 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3028,6 +3028,20 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_REALTEK, 0x8169, DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MELLANOX, PCI_ANY_ID, quirk_broken_intx_masking); +static void quirk_no_bus_reset(struct pci_dev *dev) +{ + dev->dev_flags |= PCI_DEV_FLAGS_NO_BUS_RESET; +} + +/* + * Atheros AR93xx chips do not behave after a bus reset. The device will + * throw a Link Down error on AER-capable systems and regardless of AER, + * config space of the device is never accessible again and typically + * causes the system to hang or reset when access is attempted. + * http://www.spinics.net/lists/linux-pci/msg34797.html + */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0030, quirk_no_bus_reset); + #ifdef CONFIG_ACPI /* * Apple: Shutdown Cactus Ridge Thunderbolt controller. |