Commit c0affe9d authored Apr 16, 2007 by Tejun Heo Committed by Greg Kroah-Hartman May 02, 2007

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: Tejun Heo <htejun@gmail.com>
Signed-off-by: Greg 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 */

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