ACPI / PAD: power_saving_thread() is not freezable

power_saving_thread() calls try_to_freeze(), but the thread doesn't mark
itself freezable through set_freezable(), so the try_to_freeze()
call is useless.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index ae307ff36acb9ed76a7a4d360c7c1ad7f99353fa..8ea8211b2d589c6618d5037e40d653a3771edc55 100644 (file)
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -148,8 +148,6 @@ static int power_saving_thread(void *data)
        while (!kthread_should_stop()) {
                unsigned long expire_time;
 
-               try_to_freeze();
-
                /* round robin to cpus */
                expire_time = last_jiffies + round_robin_time * HZ;
                if (time_before(expire_time, jiffies)) {