From owner-linux-pci@atrey.karlin.mff.cuni.cz Wed Apr 18 12:36:45 2007 From: Tejun Heo Date: Mon, 16 Apr 2007 13:59:18 +0900 Subject: pci-quirks: disable MSI on RS400-200 and RS480 To: gregkh@suse.de, Jeff Garzik , linux-pci@atrey.karlin.mff.cuni.cz, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Cc: , Message-ID: <20070416045918.GI10619@htj.dyndns.org> Content-Disposition: inline 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 Signed-off-by: Greg Kroah-Hartman --- drivers/pci/quirks.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1648,6 +1648,8 @@ static void __devinit quirk_disable_msi( } } 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 */