On 07/03/18 23:04, Niklas Söderlund wrote:
> In preparation for Gen3 support move the subdevice initialization and
> clean up from rvin_v4l2_{register,unregister}() directly to the async
> callbacks. This simplifies the addition of Gen3 support as the
> rvin_v4l2_register() can be shared for both Gen2 and Gen3 while direct
> subdevice control are only used on Gen2.
>
> While moving this code drop a large comment which is copied from the
> framework documentation and fold rvin_mbus_supported() into its only
> caller. Also move the initialization and cleanup code to separate
> functions to increase readability.
>
> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> drivers/media/platform/rcar-vin/rcar-core.c | 108 +++++++++++++++++++---------
> drivers/media/platform/rcar-vin/rcar-v4l2.c | 35 ---------
> 2 files changed, 74 insertions(+), 69 deletions(-)
>
> diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c
> index 47f06acde2e698f2..663309ca9c04f208 100644
> --- a/drivers/media/platform/rcar-vin/rcar-core.c
> +++ b/drivers/media/platform/rcar-vin/rcar-core.c
> @@ -46,46 +46,88 @@ static int rvin_find_pad(struct v4l2_subdev *sd, int direction)
> return -EINVAL;
> }
>
> -static bool rvin_mbus_supported(struct rvin_graph_entity *entity)
> +/* The vin lock shuld be held when calling the subdevice attach and detach */
shuld -> should
Actually, I'd say 'shall' instead of 'should'.
After that trivial change you can add my:
Reviewed-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Regards,
Hans
