Re: [RESEND PATCH v3 04/32] media: omap3isp: Don't check for the sub-device's notifier

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Hi Sakari,

Thank you for the patch.

On Thu, May 25, 2023 at 12:15:47PM +0300, Sakari Ailus wrote:
> There's no need to check for a sub-device's notifier as we only register
> one notifier (and one V4L2 device). Remove this check and prepare for
> removing this field in struct v4l2_subdev.
> 
> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> ---
>  drivers/media/platform/ti/omap3isp/isp.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/media/platform/ti/omap3isp/isp.c b/drivers/media/platform/ti/omap3isp/isp.c
> index f3aaa9e76492e..c2b222f7df892 100644
> --- a/drivers/media/platform/ti/omap3isp/isp.c
> +++ b/drivers/media/platform/ti/omap3isp/isp.c
> @@ -2039,9 +2039,6 @@ static int isp_subdev_notifier_complete(struct v4l2_async_notifier *async)
>  	}
>  
>  	list_for_each_entry(sd, &v4l2_dev->subdevs, list) {
> -		if (sd->notifier != &isp->notifier)
> -			continue;

I don't think this is quite right. You could have a chain of external
subdevs, in which case only the one connected directly to the ISP should
be linked to the ISP.

> -
>  		ret = isp_link_entity(isp, &sd->entity,
>  				      v4l2_subdev_to_bus_cfg(sd)->interface);
>  		if (ret < 0) {

-- 
Regards,

Laurent Pinchart



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