ACPI / PM: Do not execute _PS0 for devices without _PSC during initialization

Commit b378549 (ACPI / PM: Do not power manage devices in unknown
initial states) added code to force devices without _PSC, but having
_PS0 defined in the ACPI namespace, into ACPI power state D0 by
executing _PS0 for them.  That turned out to break Toshiba P870-303,
however, so revert that code.

Reported-and-tested-by: Jerome Cantenot <>
Tracked-down-by: Lan Tianyu <>
Cc: 3.9+ <>
Signed-off-by: Rafael J. Wysocki <>
1 file changed