提交 9ef2241b 编写于 作者: G Gary Hade 提交者: Greg Kroah-Hartman

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: NGary Hade <garyhade@us.ibm.com>
Cc: <lcm@us.ibm.com>
Signed-off-by: NKristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 bfceafc5
......@@ -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,
......
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