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authorKristen Carlson Accardi <kristen.c.accardi@intel.com>2007-08-09 16:09:32 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-12 15:03:14 -0700
commit57d90c027641169b0724f94d355704e28895bcd6 (patch)
tree77d0f1bab7fec9d9a5bce305f51b0ac5b7ccc7e9
parent1cf53d5ddb93b77ce1e277da85fe695e4c2a667d (diff)
PCI Hotplug: pciehp: Request control over PCI Express Capability as well as Native hotplug
According to the PCI firmware spec (3.0), the OS must claim control over the PCI Express Capability bits in addition to the PCI Express Native Hot Plug feature when executing _OSC. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 016eea94a8a..dbd04660bab 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -1138,6 +1138,7 @@ int pciehp_acpi_get_hp_hw_control_from_firmware(struct pci_dev *dev)
dbg("Trying to get hotplug control for %s \n",
(char *)string.pointer);
status = pci_osc_control_set(handle,
+ OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL |
OSC_PCI_EXPRESS_NATIVE_HP_CONTROL);
if (status == AE_NOT_FOUND)
status = acpi_run_oshp(handle);