Re: [PATCH 04/11] dmaengine: shdma: remove legacy slave_id parsing

[Laurent Pinchart]

Hi Arnd,

Thank you for the patch.

On Mon, Nov 15, 2021 at 09:53:56AM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> The slave device is picked through either devicetree or a filter
> function, and any remaining out-of-tree drivers would have warned
> about this usage since 2015.
> 
> Stop interpreting the field finally so it can be removed from
> the interface.
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

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

> ---
>  drivers/dma/sh/shdma-base.c | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c
> index 7f72b3f4cd1a..41c6bc650fa3 100644
> --- a/drivers/dma/sh/shdma-base.c
> +++ b/drivers/dma/sh/shdma-base.c
> @@ -786,14 +786,6 @@ static int shdma_config(struct dma_chan *chan,
>  	if (!config)
>  		return -EINVAL;
>  
> -	/*
> -	 * overriding the slave_id through dma_slave_config is deprecated,
> -	 * but possibly some out-of-tree drivers still do it.
> -	 */
> -	if (WARN_ON_ONCE(config->slave_id &&
> -			 config->slave_id != schan->real_slave_id))
> -		schan->real_slave_id = config->slave_id;
> -
>  	/*
>  	 * We could lock this, but you shouldn't be configuring the
>  	 * channel, while using it...

-- 
Regards,

Laurent Pinchart