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Commit c0affe9d authored by Tejun Heo's avatar Tejun Heo Committed by Greg Kroah-Hartman
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pci-quirks: disable MSI on RS400-200 and RS480 

MSI doesn't work on RS400-200 and RS480 requiring pci=nomsi kernel
boot parameter for ahci to work.  This patch disables MSI on those
chips.

  http://thread.gmane.org/gmane.linux.ide/17820
  http://thread.gmane.org/gmane.linux.ide/17516
  https://bugzilla.novell.com/show_bug.cgi?id=263893



Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent d4770143

drivers/pci/quirks.c

+2 −0
Original line number Diff line number Diff line
@@ -1648,6 +1648,8 @@ static void __devinit quirk_disable_msi(struct pci_dev *dev) 
	}

}

DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_msi);

DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS400_200, quirk_disable_msi);

DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS480, quirk_disable_msi);



/* Go through the list of Hypertransport capabilities and

 * return 1 if a HT MSI capability is found and enabled */