iio: as3935: Use devm_delayed_work_autocancel()

Use devm_delayed_work_autocancel() instead of hand writing it.
It saves a few lines of code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/8d5c50f191bd8f751849d72127f83b14a7636d64.1644755396.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c
index bd7595d..00e0649 100644 (file)
--- a/drivers/iio/proximity/as3935.c
+++ b/drivers/iio/proximity/as3935.c
@@ -12,6 +12,7 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/workqueue.h>
+#include <linux/devm-helpers.h>
 #include <linux/mutex.h>
 #include <linux/err.h>
 #include <linux/irq.h>
@@ -344,14 +345,6 @@ static SIMPLE_DEV_PM_OPS(as3935_pm_ops, as3935_suspend, as3935_resume);
 #define AS3935_PM_OPS NULL
 #endif
 
-static void as3935_stop_work(void *data)
-{
-       struct iio_dev *indio_dev = data;
-       struct as3935_state *st = iio_priv(indio_dev);
-
-       cancel_delayed_work_sync(&st->work);
-}
-
 static int as3935_probe(struct spi_device *spi)
 {
        struct device *dev = &spi->dev;
@@ -432,8 +425,7 @@ static int as3935_probe(struct spi_device *spi)
 
        calibrate_as3935(st);
 
-       INIT_DELAYED_WORK(&st->work, as3935_event_work);
-       ret = devm_add_action(dev, as3935_stop_work, indio_dev);
+       ret = devm_delayed_work_autocancel(dev, &st->work, as3935_event_work);
        if (ret)
                return ret;