tree aa79c7a87fd30ac13ae3fd146aad5a44e854c4bc
parent 6e8af08dfa40b747002207d3ce8e8b43a050d99f
author Rafael J. Wysocki <rjw@sisk.pl> 1294358109 +0100
committer Jesse Barnes <jbarnes@virtuousgeek.org> 1295024141 -0800

PCI/ACPI: Request _OSC control once for each root bridge (v3)

Move the evaluation of acpi_pci_osc_control_set() (to request control of
PCI Express native features) into acpi_pci_root_add() to avoid calling
it many times for the same root complex with the same arguments.
Additionally, check if all of the requisite _OSC support bits are set
before calling acpi_pci_osc_control_set() for a given root complex.

References: https://bugzilla.kernel.org/show_bug.cgi?id=20232
Reported-by: Ozan Caglayan <ozan@pardus.org.tr>
Tested-by: Ozan Caglayan <ozan@pardus.org.tr>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>