PCI: disable MSI on VIA K8M800 (549e1561) · Commits · 戴 / test

MSI delivery from on-board ahci controller doesn't work on K8M800. At this point, it's unclear whether the culprit is with the ahci controller or the host bridge. Given the track record and considering the rather minimal impact of MSI, disabling it seems reasonable. Signed-off-by:

Tejun Heo <tj@kernel.org> Reported-by:

Rainer Hurtado Navarro <publio.escipion.el.africano@gmail.com> Cc: stable@kernel.org Signed-off-by:

Jesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/quirks.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2115,6 +2115,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS480, quirk_disabl
		DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3336, quirk_disable_all_msi);
		DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3351, quirk_disable_all_msi);
		DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3364, quirk_disable_all_msi);
		DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8380_0, quirk_disable_all_msi);

		/* Disable MSI on chipsets that are known to not support it */
		static void __devinit quirk_disable_msi(struct pci_dev *dev)

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