Pull bugzilla-7887 into release branch

[powerpc.git] / drivers / acpi / bus.c

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 41cebe5..dd49ea0 100644 (file)
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -39,7 +39,7 @@
 #include <acpi/acpi_drivers.h>
 
 #define _COMPONENT             ACPI_BUS_COMPONENT
-ACPI_MODULE_NAME("acpi_bus")
+ACPI_MODULE_NAME("bus");
 #ifdef CONFIG_X86
 extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger);
 #endif
@@ -199,15 +199,14 @@ int acpi_bus_set_power(acpi_handle handle, int state)
         * Get device's current power state if it's unknown
         * This means device power state isn't initialized or previous setting failed
         */
-       if (!device->flags.force_power_state) {
-               if (device->power.state == ACPI_STATE_UNKNOWN)
-                       acpi_bus_get_power(device->handle, &device->power.state);
-               if (state == device->power.state) {
-                       ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
-                                         state));
-                       return 0;
-               }
+       if ((device->power.state == ACPI_STATE_UNKNOWN) || device->flags.force_power_state)
+               acpi_bus_get_power(device->handle, &device->power.state);
+       if ((state == device->power.state) && !device->flags.force_power_state) {
+               ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
+                                 state));
+               return 0;
        }
+
        if (!device->power.states[state].flags.valid) {
                printk(KERN_WARNING PREFIX "Device does not support D%d\n", state);
                return -ENODEV;