| Message ID | 3cfe70dad65dc078a656458cb55087a5269e9cc3.1619191723.git.mchehab+huawei@kernel.org (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | media: use pm_runtime_resume_and_get() instead of pm_runtime_get_sync() | expand |
Hi Mauro, On 24.04.2021 08:45, 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@kernel.org> > --- > drivers/media/platform/s3c-camif/camif-capture.c | 5 ++--- > drivers/media/platform/s3c-camif/camif-core.c | 5 +++-- > 2 files changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c > index 9ca49af29542..01fa08065ebc 100644 > --- a/drivers/media/platform/s3c-camif/camif-capture.c > +++ b/drivers/media/platform/s3c-camif/camif-capture.c > @@ -547,16 +547,15 @@ static int s3c_camif_open(struct file *file) > if (ret < 0) > goto unlock; > > - ret = pm_runtime_get_sync(camif->dev); > + ret = pm_runtime_resume_and_get(camif->dev); > if (ret < 0) > - goto err_pm; > + goto unlock; I think we don't need that label change, fh still needs to be released in case of an error. > ret = sensor_set_power(camif, 1); > if (!ret) > goto unlock; > > pm_runtime_put(camif->dev); > -err_pm: > v4l2_fh_release(file); > unlock: > mutex_unlock(&camif->lock); -- Regards, Sylwester
diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c index 9ca49af29542..01fa08065ebc 100644 --- a/drivers/media/platform/s3c-camif/camif-capture.c +++ b/drivers/media/platform/s3c-camif/camif-capture.c @@ -547,16 +547,15 @@ static int s3c_camif_open(struct file *file) if (ret < 0) goto unlock; - ret = pm_runtime_get_sync(camif->dev); + ret = pm_runtime_resume_and_get(camif->dev); if (ret < 0) - goto err_pm; + goto unlock; ret = sensor_set_power(camif, 1); if (!ret) goto unlock; pm_runtime_put(camif->dev); -err_pm: v4l2_fh_release(file); unlock: mutex_unlock(&camif->lock); diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c index 4c3c00d59c92..e1d51fd3e700 100644 --- a/drivers/media/platform/s3c-camif/camif-core.c +++ b/drivers/media/platform/s3c-camif/camif-core.c @@ -460,9 +460,9 @@ static int s3c_camif_probe(struct platform_device *pdev) pm_runtime_enable(dev); - ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); if (ret < 0) - goto err_pm; + goto err_disable; ret = camif_media_dev_init(camif); if (ret < 0) @@ -502,6 +502,7 @@ static int s3c_camif_probe(struct platform_device *pdev) camif_unregister_media_entities(camif); err_pm: pm_runtime_put(dev); +err_disable: pm_runtime_disable(dev); camif_clk_put(camif); err_clk:
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/platform/s3c-camif/camif-capture.c | 5 ++--- drivers/media/platform/s3c-camif/camif-core.c | 5 +++-- 2 files changed, 5 insertions(+), 5 deletions(-)