[PATCH] iio: adc: xilinx-ams: Use devm_delayed_work_autocancel() to simplify code

From: Christophe JAILLET
Date: Sun Feb 13 2022 - 13:29:16 EST


Use devm_delayed_work_autocancel() instead of hand writing it. This is
less verbose and saves a few lines of code.

devm_delayed_work_autocancel() uses devm_add_action() instead of
devm_add_action_or_reset(). This is fine, because if the underlying memory
allocation fails, no work has been scheduled yet. So there is nothing to
undo.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/iio/adc/xilinx-ams.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c
index 8343c5f74121..6ffddf4038b8 100644
--- a/drivers/iio/adc/xilinx-ams.c
+++ b/drivers/iio/adc/xilinx-ams.c
@@ -12,6 +12,7 @@
#include <linux/bitfield.h>
#include <linux/clk.h>
#include <linux/delay.h>
+#include <linux/devm-helpers.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/iopoll.h>
@@ -1348,11 +1349,6 @@ static void ams_clk_disable_unprepare(void *data)
clk_disable_unprepare(data);
}

-static void ams_cancel_delayed_work(void *data)
-{
- cancel_delayed_work(data);
-}
-
static int ams_probe(struct platform_device *pdev)
{
struct iio_dev *indio_dev;
@@ -1389,9 +1385,8 @@ static int ams_probe(struct platform_device *pdev)
if (ret < 0)
return ret;

- INIT_DELAYED_WORK(&ams->ams_unmask_work, ams_unmask_worker);
- ret = devm_add_action_or_reset(&pdev->dev, ams_cancel_delayed_work,
- &ams->ams_unmask_work);
+ ret = devm_delayed_work_autocancel(&pdev->dev, &ams->ams_unmask_work,
+ ams_unmask_worker);
if (ret < 0)
return ret;

--
2.32.0