| Message ID | 956254cdffbc7d07b30e41f7b7cb41cf60bbfc72.1619621413.git.mchehab+huawei@kernel.org |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | Address some issues with PM runtime at media subsystem | expand |
On Wed, 28 Apr 2021 16:51:47 +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> NOP patch so Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > --- > drivers/staging/media/tegra-video/csi.c | 3 +-- > drivers/staging/media/tegra-video/vi.c | 3 +-- > 2 files changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/staging/media/tegra-video/csi.c b/drivers/staging/media/tegra-video/csi.c > index 033a6935c26d..e938bf4c48b6 100644 > --- a/drivers/staging/media/tegra-video/csi.c > +++ b/drivers/staging/media/tegra-video/csi.c > @@ -298,10 +298,9 @@ static int tegra_csi_enable_stream(struct v4l2_subdev *subdev) > struct tegra_csi *csi = csi_chan->csi; > int ret, err; > > - ret = pm_runtime_get_sync(csi->dev); > + ret = pm_runtime_resume_and_get(csi->dev); > if (ret < 0) { > dev_err(csi->dev, "failed to get runtime PM: %d\n", ret); > - pm_runtime_put_noidle(csi->dev); > return ret; > } > > diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c > index 7a09061cda57..1298740a9c6c 100644 > --- a/drivers/staging/media/tegra-video/vi.c > +++ b/drivers/staging/media/tegra-video/vi.c > @@ -297,10 +297,9 @@ static int tegra_channel_start_streaming(struct vb2_queue *vq, u32 count) > struct tegra_vi_channel *chan = vb2_get_drv_priv(vq); > int ret; > > - ret = pm_runtime_get_sync(chan->vi->dev); > + ret = pm_runtime_resume_and_get(chan->vi->dev); > if (ret < 0) { > dev_err(chan->vi->dev, "failed to get runtime PM: %d\n", ret); > - pm_runtime_put_noidle(chan->vi->dev); > return ret; > } >
diff --git a/drivers/staging/media/tegra-video/csi.c b/drivers/staging/media/tegra-video/csi.c index 033a6935c26d..e938bf4c48b6 100644 --- a/drivers/staging/media/tegra-video/csi.c +++ b/drivers/staging/media/tegra-video/csi.c @@ -298,10 +298,9 @@ static int tegra_csi_enable_stream(struct v4l2_subdev *subdev) struct tegra_csi *csi = csi_chan->csi; int ret, err; - ret = pm_runtime_get_sync(csi->dev); + ret = pm_runtime_resume_and_get(csi->dev); if (ret < 0) { dev_err(csi->dev, "failed to get runtime PM: %d\n", ret); - pm_runtime_put_noidle(csi->dev); return ret; } diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index 7a09061cda57..1298740a9c6c 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -297,10 +297,9 @@ static int tegra_channel_start_streaming(struct vb2_queue *vq, u32 count) struct tegra_vi_channel *chan = vb2_get_drv_priv(vq); int ret; - ret = pm_runtime_get_sync(chan->vi->dev); + ret = pm_runtime_resume_and_get(chan->vi->dev); if (ret < 0) { dev_err(chan->vi->dev, "failed to get runtime PM: %d\n", ret); - pm_runtime_put_noidle(chan->vi->dev); return ret; }
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/staging/media/tegra-video/csi.c | 3 +-- drivers/staging/media/tegra-video/vi.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-)