Re: [RFCv9 PATCH 01/29] v4l2-device.h: always expose mdev

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On Wed, Mar 28, 2018 at 03:50:02PM +0200, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> 
> The mdev field is only present if CONFIG_MEDIA_CONTROLLER is set.
> But since we will need to pass the media_device to vb2 snd the
> control framework it is very convenient to just make this field
> available all the time. If CONFIG_MEDIA_CONTROLLER is not set,
> then it will just be NULL.
> 
> Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> ---
>  include/media/v4l2-device.h | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h
> index 0c9e4da55499..b330e4a08a6b 100644
> --- a/include/media/v4l2-device.h
> +++ b/include/media/v4l2-device.h
> @@ -33,7 +33,7 @@ struct v4l2_ctrl_handler;
>   * struct v4l2_device - main struct to for V4L2 device drivers
>   *
>   * @dev: pointer to struct device.
> - * @mdev: pointer to struct media_device
> + * @mdev: pointer to struct media_device, may be NULL.
>   * @subdevs: used to keep track of the registered subdevs
>   * @lock: lock this struct; can be used by the driver as well
>   *	if this struct is embedded into a larger struct.
> @@ -58,9 +58,7 @@ struct v4l2_ctrl_handler;
>   */
>  struct v4l2_device {
>  	struct device *dev;
> -#if defined(CONFIG_MEDIA_CONTROLLER)
>  	struct media_device *mdev;
> -#endif
>  	struct list_head subdevs;
>  	spinlock_t lock;
>  	char name[V4L2_DEVICE_NAME_SIZE];

Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>

-- 
Sakari Ailus
sakari.ailus@xxxxxxxxxxxxxxx



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