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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>
hifive-unleashed-5.1
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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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);