Hi Niklas,

Thank you for the patch.

On Wednesday 22 Jun 2016 02:19:24 Niklas Söderlund wrote:
> This is done in preparation to move s_stream from v4l2_subdev_video_ops
> to v4l2_subdev_pad_ops. Only wpf implements s_stream so it will no
> longer be possible to share the v4l2_subdev_pad_ops once s_stream is
> moved.
> 
> Suggested-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> Signed-off-by: Niklas Söderlund <niklas.soderlund+rene...@ragnatech.se>
> ---
>  drivers/media/platform/vsp1/vsp1_rpf.c  | 12 +++++++++-
>  drivers/media/platform/vsp1/vsp1_rwpf.c | 40 +++++++++++------------------
>  drivers/media/platform/vsp1/vsp1_rwpf.h | 20 +++++++++++++++++
>  drivers/media/platform/vsp1/vsp1_wpf.c  | 12 +++++++++-
>  4 files changed, 57 insertions(+), 27 deletions(-)
> 
> diff --git a/drivers/media/platform/vsp1/vsp1_rpf.c
> b/drivers/media/platform/vsp1/vsp1_rpf.c index 49168db..fabe8b2 100644
> --- a/drivers/media/platform/vsp1/vsp1_rpf.c
> +++ b/drivers/media/platform/vsp1/vsp1_rpf.c
> @@ -38,8 +38,18 @@ static inline void vsp1_rpf_write(struct vsp1_rwpf *rpf,
>   * V4L2 Subdevice Operations
>   */
> 
> +const struct v4l2_subdev_pad_ops vsp1_rpf_pad_ops = {

This should be static const.

> +     .init_cfg = vsp1_entity_init_cfg,
> +     .enum_mbus_code = vsp1_rwpf_enum_mbus_code,
> +     .enum_frame_size = vsp1_rwpf_enum_frame_size,
> +     .get_fmt = vsp1_subdev_get_pad_format,
> +     .set_fmt = vsp1_rwpf_set_format,
> +     .get_selection = vsp1_rwpf_get_selection,
> +     .set_selection = vsp1_rwpf_set_selection,
> +};
> +
>  static struct v4l2_subdev_ops rpf_ops = {
> -     .pad    = &vsp1_rwpf_pad_ops,
> +     .pad    = &vsp1_rpf_pad_ops,
>  };
> 
>  /*
> ---------------------------------------------------------------------------
> -- diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.c
> b/drivers/media/platform/vsp1/vsp1_rwpf.c index 3b6e032..ff03b9c 100644
> --- a/drivers/media/platform/vsp1/vsp1_rwpf.c
> +++ b/drivers/media/platform/vsp1/vsp1_rwpf.c
> @@ -31,9 +31,9 @@ struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf
> *rwpf, * V4L2 Subdevice Pad Operations
>   */
> 
> -static int vsp1_rwpf_enum_mbus_code(struct v4l2_subdev *subdev,
> -                                 struct v4l2_subdev_pad_config *cfg,
> -                                 struct v4l2_subdev_mbus_code_enum *code)
> +int vsp1_rwpf_enum_mbus_code(struct v4l2_subdev *subdev,
> +                          struct v4l2_subdev_pad_config *cfg,
> +                          struct v4l2_subdev_mbus_code_enum *code)
>  {
>       static const unsigned int codes[] = {
>               MEDIA_BUS_FMT_ARGB8888_1X32,
> @@ -48,9 +48,9 @@ static int vsp1_rwpf_enum_mbus_code(struct v4l2_subdev
> *subdev, return 0;
>  }
> 
> -static int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev,
> -                                  struct v4l2_subdev_pad_config *cfg,
> -                                  struct v4l2_subdev_frame_size_enum *fse)
> +int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev,
> +                           struct v4l2_subdev_pad_config *cfg,
> +                           struct v4l2_subdev_frame_size_enum *fse)
>  {
>       struct vsp1_rwpf *rwpf = to_rwpf(subdev);
> 
> @@ -59,9 +59,9 @@ static int vsp1_rwpf_enum_frame_size(struct v4l2_subdev
> *subdev, rwpf->max_height);
>  }
> 
> -static int vsp1_rwpf_set_format(struct v4l2_subdev *subdev,
> -                             struct v4l2_subdev_pad_config *cfg,
> -                             struct v4l2_subdev_format *fmt)
> +int vsp1_rwpf_set_format(struct v4l2_subdev *subdev,
> +                      struct v4l2_subdev_pad_config *cfg,
> +                      struct v4l2_subdev_format *fmt)
>  {
>       struct vsp1_rwpf *rwpf = to_rwpf(subdev);
>       struct v4l2_subdev_pad_config *config;
> @@ -113,9 +113,9 @@ static int vsp1_rwpf_set_format(struct v4l2_subdev
> *subdev, return 0;
>  }
> 
> -static int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev,
> -                                struct v4l2_subdev_pad_config *cfg,
> -                                struct v4l2_subdev_selection *sel)
> +int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev,
> +                         struct v4l2_subdev_pad_config *cfg,
> +                         struct v4l2_subdev_selection *sel)
>  {
>       struct vsp1_rwpf *rwpf = to_rwpf(subdev);
>       struct v4l2_subdev_pad_config *config;
> @@ -150,9 +150,9 @@ static int vsp1_rwpf_get_selection(struct v4l2_subdev
> *subdev, return 0;
>  }
> 
> -static int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
> -                                struct v4l2_subdev_pad_config *cfg,
> -                                struct v4l2_subdev_selection *sel)
> +int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
> +                         struct v4l2_subdev_pad_config *cfg,
> +                         struct v4l2_subdev_selection *sel)
>  {
>       struct vsp1_rwpf *rwpf = to_rwpf(subdev);
>       struct v4l2_subdev_pad_config *config;
> @@ -209,16 +209,6 @@ static int vsp1_rwpf_set_selection(struct v4l2_subdev
> *subdev, return 0;
>  }
> 
> -const struct v4l2_subdev_pad_ops vsp1_rwpf_pad_ops = {

You can also remove the declaration of the structure from vsp1_rwpf.h.

> -     .init_cfg = vsp1_entity_init_cfg,
> -     .enum_mbus_code = vsp1_rwpf_enum_mbus_code,
> -     .enum_frame_size = vsp1_rwpf_enum_frame_size,
> -     .get_fmt = vsp1_subdev_get_pad_format,
> -     .set_fmt = vsp1_rwpf_set_format,
> -     .get_selection = vsp1_rwpf_get_selection,
> -     .set_selection = vsp1_rwpf_set_selection,
> -};
> -
>  /*
> ---------------------------------------------------------------------------
> -- * Controls
>   */
> diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.h
> b/drivers/media/platform/vsp1/vsp1_rwpf.h index 9ff7c78..5ed4be5 100644
> --- a/drivers/media/platform/vsp1/vsp1_rwpf.h
> +++ b/drivers/media/platform/vsp1/vsp1_rwpf.h
> @@ -74,6 +74,26 @@ extern const struct v4l2_subdev_pad_ops
> vsp1_rwpf_pad_ops;
> 
>  struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf,
>                                    struct v4l2_subdev_pad_config *config);
> +
> +int vsp1_rwpf_enum_mbus_code(struct v4l2_subdev *subdev,
> +                          struct v4l2_subdev_pad_config *cfg,
> +                          struct v4l2_subdev_mbus_code_enum *code);
> +
> +int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev,
> +                           struct v4l2_subdev_pad_config *cfg,
> +                           struct v4l2_subdev_frame_size_enum *fse);
> +
> +int vsp1_rwpf_set_format(struct v4l2_subdev *subdev,
> +                      struct v4l2_subdev_pad_config *cfg,
> +                      struct v4l2_subdev_format *fmt);
> +
> +int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev,
> +                         struct v4l2_subdev_pad_config *cfg,
> +                         struct v4l2_subdev_selection *sel);
> +
> +int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
> +                         struct v4l2_subdev_pad_config *cfg,
> +                         struct v4l2_subdev_selection *sel);

You can remove the white lines between the functions as an indication they 
belong to the same group, and I'd add a white line here.

>  /**
>   * vsp1_rwpf_set_memory - Configure DMA addresses for a [RW]PF
>   * @rwpf: the [RW]PF instance
> diff --git a/drivers/media/platform/vsp1/vsp1_wpf.c
> b/drivers/media/platform/vsp1/vsp1_wpf.c index 6c91eaa..75fe7de 100644
> --- a/drivers/media/platform/vsp1/vsp1_wpf.c
> +++ b/drivers/media/platform/vsp1/vsp1_wpf.c
> @@ -62,13 +62,23 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int
> enable) * V4L2 Subdevice Operations
>   */
> 
> +const struct v4l2_subdev_pad_ops vsp1_wpf_pad_ops = {

This should be static const.

> +     .init_cfg = vsp1_entity_init_cfg,
> +     .enum_mbus_code = vsp1_rwpf_enum_mbus_code,
> +     .enum_frame_size = vsp1_rwpf_enum_frame_size,
> +     .get_fmt = vsp1_subdev_get_pad_format,
> +     .set_fmt = vsp1_rwpf_set_format,
> +     .get_selection = vsp1_rwpf_get_selection,
> +     .set_selection = vsp1_rwpf_set_selection,
> +};
> +
>  static struct v4l2_subdev_video_ops wpf_video_ops = {
>       .s_stream = wpf_s_stream,
>  };
> 
>  static struct v4l2_subdev_ops wpf_ops = {
>       .video  = &wpf_video_ops,
> -     .pad    = &vsp1_rwpf_pad_ops,
> +     .pad    = &vsp1_wpf_pad_ops,
>  };
> 
>  /*
> ---------------------------------------------------------------------------
> --

-- 
Regards,

Laurent Pinchart

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