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 <[email protected]>
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 65d6f23..3300ff1 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1761,6 +1761,8 @@ 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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