On Wed, 2021-04-28 at 16:52 +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.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
Ugh, sigh... OK, there was a v4. Sorry for the noise!
Reviewed-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
> ---
> drivers/media/platform/rockchip/rga/rga-buf.c | 3 +--
> drivers/media/platform/rockchip/rga/rga.c | 4 +++-
> 2 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/media/platform/rockchip/rga/rga-buf.c b/drivers/media/platform/rockchip/rga/rga-buf.c
> index bf9a75b75083..81508ed5abf3 100644
> --- a/drivers/media/platform/rockchip/rga/rga-buf.c
> +++ b/drivers/media/platform/rockchip/rga/rga-buf.c
> @@ -79,9 +79,8 @@ static int rga_buf_start_streaming(struct vb2_queue *q, unsigned int count)
> struct rockchip_rga *rga = ctx->rga;
> int ret;
>
> - ret = pm_runtime_get_sync(rga->dev);
> + ret = pm_runtime_resume_and_get(rga->dev);
> if (ret < 0) {
> - pm_runtime_put_noidle(rga->dev);
> rga_buf_return_buffers(q, VB2_BUF_STATE_QUEUED);
> return ret;
> }
> diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c
> index 9d122429706e..bf3fd71ec3af 100644
> --- a/drivers/media/platform/rockchip/rga/rga.c
> +++ b/drivers/media/platform/rockchip/rga/rga.c
> @@ -866,7 +866,9 @@ static int rga_probe(struct platform_device *pdev)
> goto unreg_video_dev;
> }
>
> - pm_runtime_get_sync(rga->dev);
> + ret = pm_runtime_resume_and_get(rga->dev);
> + if (ret < 0)
> + goto unreg_video_dev;
>
> rga->version.major = (rga_read(rga, RGA_VERSION_INFO) >> 24) & 0xFF;
> rga->version.minor = (rga_read(rga, RGA_VERSION_INFO) >> 20) & 0x0F;
