From: Gary Hade <garyhade@us.ibm.com>
Date: Thu, 5 Jul 2007 18:10:47 +0000 (-0700)
Subject: PCI: hotplug: acpiphp: remove hot plug parameter write to PCI host bridge
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9ef2241b18266d75319e7d66156243bd9010be44;p=linux-beck.git

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 3cc5a821f9c5..72ec4a29a402 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -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,