hwmon: (adt7470) Allow faster removal
adt7470_remove will wait for the update thread to complete before
returning. This had a worst-case time of up to the user-configurable
auto_update_interval.
Replace msleep_interruptible with set_current_state and schedule_timeout
so that kthread_stop will interrupt the sleep.
Signed-off-by: Joshua Scott <joshua.scott@alliedtelesis.co.nz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index dbd758b..ffe1edc 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -273,9 +273,12 @@
mutex_lock(&data->lock);
adt7470_read_temperatures(client, data);
mutex_unlock(&data->lock);
+
+ set_current_state(TASK_INTERRUPTIBLE);
if (kthread_should_stop())
break;
- msleep_interruptible(data->auto_update_interval);
+
+ schedule_timeout(msecs_to_jiffies(data->auto_update_interval));
}
complete_all(&data->auto_update_stop);