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PCI Hotplug: pciehp: Request control over PCI Express Capability as well as Native hotplug

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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>
This commit is contained in:
Kristen Carlson Accardi 2007-08-09 16:09:32 -07:00 committed by Greg Kroah-Hartman
parent 1cf53d5ddb
commit 57d90c0276
1 changed files with 1 additions and 0 deletions
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1
drivers/pci/hotplug/pciehp_hpc.c
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@ -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);