[PATCH v1 2/4] dmaengine: Use dma_request_channel() instead of __dma_request_channel()

Frank Li Frank.li at nxp.com
Mon Oct 7 09:01:22 PDT 2024


On Mon, Oct 07, 2024 at 06:06:46PM +0300, Andy Shevchenko wrote:
> Let's reduce the surface of the use of __dma_request_channel().
> Hopefully we can make it internall to the DMA drivers or kill for good
> completely.

Suggest:

Reduce use internal __dma_request_channel() function in public
dmaengine.h

I think this change is okay, but I hope the following patches, which make
__dma_request_channel() as internal only. otherwise, it looks not necessary.

Frank

>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
> ---
>  include/linux/dmaengine.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
> index b4e6de892d34..2f46056096d6 100644
> --- a/include/linux/dmaengine.h
> +++ b/include/linux/dmaengine.h
> @@ -1639,7 +1639,7 @@ static inline struct dma_chan
>  	if (!fn || !fn_param)
>  		return NULL;
>
> -	return __dma_request_channel(&mask, fn, fn_param, NULL);
> +	return dma_request_channel(mask, fn, fn_param);
>  }
>
>  static inline char *
> --
> 2.43.0.rc1.1336.g36b5255a03ac
>



More information about the linux-arm-kernel mailing list