Re: [PATCH] dmaengine: nbpfaxi: mark expected switch fall-through

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On Fri, Oct 13, 2017 at 03:17:19PM -0500, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
> 
> Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx>
> ---
>  drivers/dma/nbpfaxi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
> index d3f918a..68a3a83 100644
> --- a/drivers/dma/nbpfaxi.c
> +++ b/drivers/dma/nbpfaxi.c
> @@ -479,6 +479,7 @@ static size_t nbpf_xfer_size(struct nbpf_device *nbpf,
>  
>  	default:
>  		pr_warn("%s(): invalid bus width %u\n", __func__, width);
> +		/* fall through */

can we add more details why we are falling thru and why this value is sane
default..

>  	case DMA_SLAVE_BUSWIDTH_1_BYTE:
>  		size = burst;
>  	}
> -- 
> 2.7.4
> 

-- 
~Vinod
--
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