| From owner-linux-pci@atrey.karlin.mff.cuni.cz Wed Apr 18 12:36:45 2007 |
| From: Tejun Heo <htejun@gmail.com> |
| 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 <jeff@garzik.org>, linux-pci@atrey.karlin.mff.cuni.cz, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org |
| Cc: <torresmat@gmail.com>, <conke.hu@gmail.com> |
| 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 <htejun@gmail.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
| |
| --- |
| drivers/pci/quirks.c | 2 ++ |
| 1 file changed, 2 insertions(+) |
| |
| --- a/drivers/pci/quirks.c |
| +++ b/drivers/pci/quirks.c |
| @@ -1761,6 +1761,8 @@ 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 */ |
