| Message ID | 20190412234359.5079-3-niklas.soderlund+renesas@ragnatech.se (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | rcar-vin: Merge Gen2 and Gen3 file operations | expand |
On 13.04.2019 2:43, Niklas Söderlund wrote: > Runtime PM is already enable unconditionally when the driver is probed Enabled? > and disabled when it's removed. There is no point in doing it again for > Gen2 when opening and closing the video device. > > Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> [...] MBR, Sergei
> On April 13, 2019 at 1:43 AM Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> wrote: > > > Runtime PM is already enable unconditionally when the driver is probed > and disabled when it's removed. There is no point in doing it again for > Gen2 when opening and closing the video device. > > Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> > --- > drivers/media/platform/rcar-vin/rcar-v4l2.c | 7 +------ > 1 file changed, 1 insertion(+), 6 deletions(-) > > diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c > index b821ea01786eb1ff..0841f1a0bfd7ba3a 100644 > --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c > +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c > @@ -797,8 +797,6 @@ static int rvin_initialize_device(struct file *file) > if (ret < 0) > return ret; > > - pm_runtime_enable(&vin->vdev.dev); > - > /* > * Try to configure with default parameters. Notice: this is the > * very first open, so, we cannot race against other calls, > @@ -813,7 +811,6 @@ static int rvin_initialize_device(struct file *file) > > return 0; > esfmt: > - pm_runtime_disable(&vin->vdev.dev); > rvin_power_off(vin); > > return ret; > @@ -863,10 +860,8 @@ static int rvin_release(struct file *file) > * If this was the last open file. > * Then de-initialize hw module. > */ > - if (fh_singular) { > - pm_runtime_disable(&vin->vdev.dev); > + if (fh_singular) > rvin_power_off(vin); > - } > > mutex_unlock(&vin->lock); > > -- > 2.21.0 > Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu> CU Uli
diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c index b821ea01786eb1ff..0841f1a0bfd7ba3a 100644 --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c @@ -797,8 +797,6 @@ static int rvin_initialize_device(struct file *file) if (ret < 0) return ret; - pm_runtime_enable(&vin->vdev.dev); - /* * Try to configure with default parameters. Notice: this is the * very first open, so, we cannot race against other calls, @@ -813,7 +811,6 @@ static int rvin_initialize_device(struct file *file) return 0; esfmt: - pm_runtime_disable(&vin->vdev.dev); rvin_power_off(vin); return ret; @@ -863,10 +860,8 @@ static int rvin_release(struct file *file) * If this was the last open file. * Then de-initialize hw module. */ - if (fh_singular) { - pm_runtime_disable(&vin->vdev.dev); + if (fh_singular) rvin_power_off(vin); - } mutex_unlock(&vin->lock);
Runtime PM is already enable unconditionally when the driver is probed and disabled when it's removed. There is no point in doing it again for Gen2 when opening and closing the video device. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> --- drivers/media/platform/rcar-vin/rcar-v4l2.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)