diff mbox series

[v4,27/79] media: i2c: ak7375: use pm_runtime_resume_and_get()

Message ID 1e1d532702a6f708eb48d1e8aa0bc2d6722ac211.1619621413.git.mchehab+huawei@kernel.org (mailing list archive)
State New, archived
Headers show
Series Address some issues with PM runtime at media subsystem | expand

Commit Message

Mauro Carvalho Chehab April 28, 2021, 2:51 p.m. UTC
Commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter")
added pm_runtime_resume_and_get() in order to automatically handle
dev->power.usage_count decrement on errors.

Use the new API, in order to cleanup the error check logic.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 drivers/media/i2c/ak7375.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

Comments

Jonathan Cameron April 30, 2021, 5:14 p.m. UTC | #1
On Wed, 28 Apr 2021 16:51:48 +0200
Mauro Carvalho Chehab <mchehab+huawei@kernel.org> wrote:

> Commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter")
> added pm_runtime_resume_and_get() in order to automatically handle
> dev->power.usage_count decrement on errors.
> 
> Use the new API, in order to cleanup the error check logic.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> ---
>  drivers/media/i2c/ak7375.c | 10 +---------
>  1 file changed, 1 insertion(+), 9 deletions(-)
> 
> diff --git a/drivers/media/i2c/ak7375.c b/drivers/media/i2c/ak7375.c
> index e1f94ee0f48f..40b1a4aa846c 100644
> --- a/drivers/media/i2c/ak7375.c
> +++ b/drivers/media/i2c/ak7375.c
> @@ -87,15 +87,7 @@ static const struct v4l2_ctrl_ops ak7375_vcm_ctrl_ops = {
>  
>  static int ak7375_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
>  {
> -	int ret;
> -
> -	ret = pm_runtime_get_sync(sd->dev);
> -	if (ret < 0) {
> -		pm_runtime_put_noidle(sd->dev);
> -		return ret;
> -	}
> -
> -	return 0;
> +	return pm_runtime_resume_and_get(sd->dev);
>  }
>  
>  static int ak7375_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
diff mbox series

Patch

diff --git a/drivers/media/i2c/ak7375.c b/drivers/media/i2c/ak7375.c
index e1f94ee0f48f..40b1a4aa846c 100644
--- a/drivers/media/i2c/ak7375.c
+++ b/drivers/media/i2c/ak7375.c
@@ -87,15 +87,7 @@  static const struct v4l2_ctrl_ops ak7375_vcm_ctrl_ops = {
 
 static int ak7375_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
 {
-	int ret;
-
-	ret = pm_runtime_get_sync(sd->dev);
-	if (ret < 0) {
-		pm_runtime_put_noidle(sd->dev);
-		return ret;
-	}
-
-	return 0;
+	return pm_runtime_resume_and_get(sd->dev);
 }
 
 static int ak7375_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)