Re: [PATCH v2] staging: media: imx: change imx_media_fim_set_stream() to return void

From: Marco Felsch
Date: Mon Jan 23 2023 - 04:24:28 EST


Hi,

the patch lgtm.

On 23-01-23, Deepak R Varma wrote:
> On Tue, Jan 03, 2023 at 11:08:20PM +0530, Deepak R Varma wrote:
> > At present, the function imx_media_fim_set_stream() always returns 0.
> > So, convert it to be a function returning void instead. Issue identified
> > using the returnvar.cocci Coccinelle semantic patch.
> >
> > Signed-off-by: Deepak R Varma <drv@xxxxxxxxx>

Reviewed-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>

> > ---
> > Changes in v2:
> > 1. Convert the function return type from int to void. Suggested by
> > Fabio Estevam <festevam@xxxxxxxxx>
> > 2. Update patch subject and log accordingly.
>
> Hello,
> May I request a review and feedback comment on this patch proposal please?
>
> Thank you,
> ./drv
>
> >
> >
> > drivers/staging/media/imx/imx-media-csi.c | 7 ++-----
> > drivers/staging/media/imx/imx-media-fim.c | 8 +++-----
> > drivers/staging/media/imx/imx-media.h | 6 +++---
> > 3 files changed, 8 insertions(+), 13 deletions(-)
> >
> > diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
> > index 5c3cc7de209d..44d87fe30d52 100644
> > --- a/drivers/staging/media/imx/imx-media-csi.c
> > +++ b/drivers/staging/media/imx/imx-media-csi.c
> > @@ -779,11 +779,8 @@ static int csi_start(struct csi_priv *priv)
> > goto idmac_stop;
> >
> > /* start the frame interval monitor */
> > - if (priv->fim && priv->dest == IPU_CSI_DEST_IDMAC) {
> > - ret = imx_media_fim_set_stream(priv->fim, output_fi, true);
> > - if (ret)
> > - goto idmac_stop;
> > - }
> > + if (priv->fim && priv->dest == IPU_CSI_DEST_IDMAC)
> > + imx_media_fim_set_stream(priv->fim, output_fi, true);
> >
> > ret = ipu_csi_enable(priv->csi);
> > if (ret) {
> > diff --git a/drivers/staging/media/imx/imx-media-fim.c b/drivers/staging/media/imx/imx-media-fim.c
> > index fb6590dcfc36..f456751f100a 100644
> > --- a/drivers/staging/media/imx/imx-media-fim.c
> > +++ b/drivers/staging/media/imx/imx-media-fim.c
> > @@ -368,12 +368,11 @@ void imx_media_fim_eof_monitor(struct imx_media_fim *fim, ktime_t timestamp)
> > }
> >
> > /* Called by the subdev in its s_stream callback */
> > -int imx_media_fim_set_stream(struct imx_media_fim *fim,
> > - const struct v4l2_fract *fi,
> > - bool on)
> > +void imx_media_fim_set_stream(struct imx_media_fim *fim,
> > + const struct v4l2_fract *fi,
> > + bool on)
> > {
> > unsigned long flags;
> > - int ret = 0;
> >
> > v4l2_ctrl_lock(fim->ctrl[FIM_CL_ENABLE]);
> >
> > @@ -393,7 +392,6 @@ int imx_media_fim_set_stream(struct imx_media_fim *fim,
> > fim->stream_on = on;
> > out:
> > v4l2_ctrl_unlock(fim->ctrl[FIM_CL_ENABLE]);
> > - return ret;
> > }
> >
> > int imx_media_fim_add_controls(struct imx_media_fim *fim)
> > diff --git a/drivers/staging/media/imx/imx-media.h b/drivers/staging/media/imx/imx-media.h
> > index f679249d82e4..6f9a46573edd 100644
> > --- a/drivers/staging/media/imx/imx-media.h
> > +++ b/drivers/staging/media/imx/imx-media.h
> > @@ -246,9 +246,9 @@ int imx_media_dev_notifier_register(struct imx_media_dev *imxmd,
> > /* imx-media-fim.c */
> > struct imx_media_fim;
> > void imx_media_fim_eof_monitor(struct imx_media_fim *fim, ktime_t timestamp);
> > -int imx_media_fim_set_stream(struct imx_media_fim *fim,
> > - const struct v4l2_fract *frame_interval,
> > - bool on);
> > +void imx_media_fim_set_stream(struct imx_media_fim *fim,
> > + const struct v4l2_fract *frame_interval,
> > + bool on);
> > int imx_media_fim_add_controls(struct imx_media_fim *fim);
> > struct imx_media_fim *imx_media_fim_init(struct v4l2_subdev *sd);
> > void imx_media_fim_free(struct imx_media_fim *fim);
> > --
> > 2.34.1
> >
>
>
>
>