linux-kernel - Re: [PATCH 4/5] media: uvcvideo: Cleanup version-specific mapping

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Message-ID: <20240610145955.GT18479@pendragon.ideasonboard.com>
Date: Mon, 10 Jun 2024 17:59:55 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Ricardo Ribalda <ribalda@...omium.org>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
	Sergey Senozhatsky <senozhatsky@...omium.org>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] media: uvcvideo: Cleanup version-specific mapping

Hi Ricardo,

Thank you for the patch.

On Mon, Mar 18, 2024 at 11:55:26PM +0000, Ricardo Ribalda wrote:
> We do not have more version specific mappings. Let's remove this code
> for now. It can be easily reverted later if needed.
> 
> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
>  drivers/media/usb/uvc/uvc_ctrl.c | 21 ---------------------
>  1 file changed, 21 deletions(-)
> 
> diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
> index 9a0b81aca30d1..41578ded1174e 100644
> --- a/drivers/media/usb/uvc/uvc_ctrl.c
> +++ b/drivers/media/usb/uvc/uvc_ctrl.c
> @@ -851,14 +851,6 @@ static const struct uvc_control_mapping uvc_ctrl_mappings[] = {
>  	},
>  };
>  
> -static const struct uvc_control_mapping *uvc_ctrl_mappings_uvc11[] = {
> -	NULL, /* Sentinel */
> -};
> -
> -static const struct uvc_control_mapping *uvc_ctrl_mappings_uvc15[] = {
> -	NULL, /* Sentinel */
> -};
> -
>  /* ------------------------------------------------------------------------
>   * Utility functions
>   */
> @@ -2660,7 +2652,6 @@ static void uvc_ctrl_prune_entity(struct uvc_device *dev,
>  static void uvc_ctrl_init_ctrl(struct uvc_video_chain *chain,
>  			       struct uvc_control *ctrl)
>  {
> -	const struct uvc_control_mapping **mappings;
>  	unsigned int i;
>  
>  	/*
> @@ -2726,18 +2717,6 @@ static void uvc_ctrl_init_ctrl(struct uvc_video_chain *chain,
>  		    ctrl->info.selector == mapping->selector)
>  			__uvc_ctrl_add_custom_mapping(chain, ctrl, mapping);
>  	}
> -
> -	/* Finally process version-specific mappings. */
> -	mappings = chain->dev->uvc_version < 0x0150
> -		 ? uvc_ctrl_mappings_uvc11 : uvc_ctrl_mappings_uvc15;
> -
> -	for (i = 0; mappings[i]; ++i) {
> -		const struct uvc_control_mapping *mapping = mappings[i];
> -
> -		if (uvc_entity_match_guid(ctrl->entity, mapping->entity) &&
> -		    ctrl->info.selector == mapping->selector)
> -			__uvc_ctrl_add_custom_mapping(chain, ctrl, mapping);
> -	}
>  }
>  
>  /*

-- 
Regards,

Laurent Pinchart