ACPI / Fan: Rework the handling of power resources

Use the new function acpi_bus_update_power() for manipulating power
resources used by ACPI fan devices, which allows them to be put into
the right state during initialization and resume.  Consequently,
remove the flags.force_power_state field from struct acpi_device,
which is not necessary any more.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 5a27b0a..2607e17 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -1059,8 +1059,9 @@
 			break;
 		tz->trips.active[i].flags.enabled = 1;
 		for (j = 0; j < tz->trips.active[i].devices.count; j++) {
-			result = acpi_bus_get_power(tz->trips.active[i].devices.
-			    handles[j], &power_state);
+			result = acpi_bus_update_power(
+					tz->trips.active[i].devices.handles[j],
+					&power_state);
 			if (result || (power_state != ACPI_STATE_D0)) {
 				tz->trips.active[i].flags.enabled = 0;
 				break;