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Commit aeb11048 authored by Eiichiro Oiwa's avatar Eiichiro Oiwa Committed by Len Brown
Browse files

ACPICA: Fix incorrect handling of PCI Express Root Bridge _HID 

I could not get correct PCI Express bus number from the structure of
acpi_object_extra. I always get zero as bus number regardless of bus
location. I found that there is incorrect comparison with _HID (PNP0A08) in
acpi/events/evrgnini.c and PCI Express _BBN method always fail.
Therefore, we always get zero as PCI Express bus number.
http://bugzilla.kernel.org/show_bug.cgi?id=7145



Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarAlexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent b4bd8c66

drivers/acpi/events/evrgnini.c

+6 −7
Original line number Diff line number Diff line
@@ -225,13 +225,12 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, 
				if (!

				    (ACPI_STRNCMP

				     (object_hID.value, PCI_ROOT_HID_STRING,

				      sizeof(PCI_ROOT_HID_STRING))

				      sizeof(PCI_ROOT_HID_STRING)))

				    ||

				    !(ACPI_STRNCMP

				      (object_hID.value,

				       PCI_EXPRESS_ROOT_HID_STRING,

					sizeof(PCI_EXPRESS_ROOT_HID_STRING)))))

				{

				       sizeof(PCI_EXPRESS_ROOT_HID_STRING)))) {



					/* Install a handler for this PCI root bridge */