PCI: AMD 813x B2 devices do not need boot interrupt quirk

Turns out that the new AMD 813x devices do not need the
quirk_disable_amd_813x_boot_interrupt quirk to be run on them.  If it
is, no interrupts are seen on the PCI-X adapter.

From: Stefan Assmann <sassmann@novell.com>
Reported-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Tested-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jesse Barnes <jbarnes@hobbes.lan>

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index a8523294e4ae4e4f258ccb680968231ad8481e2c..f20d55368edb7edfb5d0a6bc9ef1a8746da6b8cb 100644 (file)
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1584,6 +1584,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SERVERWORKS,   PCI_DEVICE_ID_SERVERWORKS_
  */
 #define AMD_813X_MISC                  0x40
 #define AMD_813X_NOIOAMODE             (1<<0)
+#define AMD_813X_REV_B2                        0x13
 
 static void quirk_disable_amd_813x_boot_interrupt(struct pci_dev *dev)
 {
@@ -1591,6 +1592,8 @@ static void quirk_disable_amd_813x_boot_interrupt(struct pci_dev *dev)
 
        if (noioapicquirk)
                return;
+       if (dev->revision == AMD_813X_REV_B2)
+               return;
 
        pci_read_config_dword(dev, AMD_813X_MISC, &pci_config_dword);
        pci_config_dword &= ~AMD_813X_NOIOAMODE;