Re: [PATCH v5 23/25] media: vsp1: use pm_runtime_resume_and_get()

From: Laurent Pinchart
Date: Thu May 06 2021 - 12:06:28 EST


Hi Mauro,

Thank you for the patch.

On Thu, May 06, 2021 at 05:26:01PM +0200, Mauro Carvalho Chehab 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.
>
> As a bonus, pm_runtime_resume_and_get() always return 0 on success.
> So, the code can be simplified.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
> drivers/media/platform/vsp1/vsp1_drv.c | 10 +---------
> 1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c
> index aa66e4f5f3f3..de442d6c9926 100644
> --- a/drivers/media/platform/vsp1/vsp1_drv.c
> +++ b/drivers/media/platform/vsp1/vsp1_drv.c
> @@ -559,15 +559,7 @@ static int vsp1_device_init(struct vsp1_device *vsp1)
> */
> int vsp1_device_get(struct vsp1_device *vsp1)
> {
> - int ret;
> -
> - ret = pm_runtime_get_sync(vsp1->dev);
> - if (ret < 0) {
> - pm_runtime_put_noidle(vsp1->dev);
> - return ret;
> - }
> -
> - return 0;
> + return pm_runtime_resume_and_get(vsp1->dev);
> }
>
> /*

--
Regards,

Laurent Pinchart