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

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>

diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 016eea94a8a5729d1cf6e5908a2c6a205d4b6149..dbd04660babb5e6d1aa452ee0be4a61c2a4c8747 100644 (file)
--- 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);