Matías Alejandro Torres wrote:
> May be it disables MSI for some other device/bridge/what ever:
Right, that device gotta be PCI-e or PCI-x bridge and the disk
controller lives in a different bus. Please apply the attached patch.
This one really should fix the problem. :-)
--
tejun
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 3411483..1e3070e 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1624,18 +1624,20 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_N
quirk_nvidia_ck804_pcie_aer_ext_cap);
#ifdef CONFIG_PCI_MSI
-/* The Serverworks PCI-X chipset does not support MSI. We cannot easily rely
- * on setting PCI_BUS_FLAGS_NO_MSI in its bus flags because there are actually
- * some other busses controlled by the chipset even if Linux is not aware of
it.
- * Instead of setting the flag on all busses in the machine, simply disable MSI
- * globally.
+/* Some chipsets do not support MSI. We cannot easily rely on setting
+ * PCI_BUS_FLAGS_NO_MSI in its bus flags because there are actually
+ * some other busses controlled by the chipset even if Linux is not
+ * aware of it. Instead of setting the flag on all busses in the
+ * machine, simply disable MSI globally.
*/
-static void __init quirk_svw_msi(struct pci_dev *dev)
+static void __init quirk_disable_all_msi(struct pci_dev *dev)
{
pci_no_msi();
printk(KERN_WARNING "PCI: MSI quirk detected. MSI deactivated.\n");
}
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS,
PCI_DEVICE_ID_SERVERWORKS_GCNB_LE, quirk_svw_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS,
PCI_DEVICE_ID_SERVERWORKS_GCNB_LE, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS400_200,
quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS480,
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)
