diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci.c | 3 | ||||
| -rw-r--r-- | drivers/pci/quirks.c | 10 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 447e834..9ae517a 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2876,6 +2876,9 @@ bool pci_intx_mask_supported(struct pci_dev *dev) bool mask_supported = false; u16 orig, new; + if (dev->broken_intx_masking) + return false; + pci_cfg_access_lock(dev); pci_read_config_word(dev, PCI_COMMAND, &orig); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 2a75216..cc13415 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2929,6 +2929,16 @@ 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); +/* + * Some devices may pass our check in pci_intx_mask_supported if + * PCI_COMMAND_INTX_DISABLE works though they actually do not properly + * support this feature. + */ +static void __devinit quirk_broken_intx_masking(struct pci_dev *dev) +{ + dev->broken_intx_masking = 1; +} + static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_fixup *end) { |