leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/pci/hotplug/pciehp_hpc.c
View File

@ -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);