PCI: hotplug: acpiphp: remove hot plug parameter write to PCI host bridge
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>
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 3cc5a82..72ec4a2 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -1368,6 +1368,9 @@
(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,