PCI: hotplug: acpiphp: remove hot plug parameter write to PCI host bridge
authorGary Hade <garyhade@us.ibm.com>
Thu, 5 Jul 2007 18:10:47 +0000 (11:10 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 11 Jul 2007 23:02:13 +0000 (16:02 -0700)
acpiphp is writing hot plug parameters to the PCI host bridge
PCI config space.  This patch removes the incorrect operation.

Signed-off-by: Gary Hade <garyhade@us.ibm.com>
Cc: <lcm@us.ibm.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/pci/hotplug/acpiphp_glue.c

index 3cc5a821f9c53608c8a807b0349dae62724a1b3c..72ec4a29a402406cdbb0baec6009a23b8e6ea7ad 100644 (file)
@@ -1368,6 +1368,9 @@ static void program_hpp(struct pci_dev *dev, struct acpiphp_bridge *bridge)
                        (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI)))
                return;
 
+       if ((dev->class >> 8) == PCI_CLASS_BRIDGE_HOST)
+               return;
+
        pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE,
                        bridge->hpp.t0->cache_line_size);
        pci_write_config_byte(dev, PCI_LATENCY_TIMER,