Re: [patch 2.6.13] swiotlb: BUG() for DMA_NONE in sync_single

[Grant Grundler]

On Mon, Sep 12, 2005 at 03:53:56PM -0400, John W. Linville wrote:
> Call BUG() if DMA_NONE is passed-in as direction for sync_single.
> 
> Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>

Acked-by: Grant Grundler <iod00d@xxxxxx>

John,
Sorry - I didn't realize the tests for DMA_NONE I pointed
out were now redundant.  Can you respin this patch removing
the redundant checks for DMA_NONE as well?

thanks,
grant

> ---
> 
>  lib/swiotlb.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/swiotlb.c b/lib/swiotlb.c
> --- a/lib/swiotlb.c
> +++ b/lib/swiotlb.c
> @@ -315,13 +315,13 @@ sync_single(struct device *hwdev, char *
>  	case SYNC_FOR_CPU:
>  		if (likely(dir == DMA_FROM_DEVICE || dma == DMA_BIDIRECTIONAL))
>  			memcpy(buffer, dma_addr, size);
> -		else if (dir != DMA_TO_DEVICE && dir != DMA_NONE)
> +		else if (dir != DMA_TO_DEVICE)
>  			BUG();
>  		break;
>  	case SYNC_FOR_DEVICE:
>  		if (likely(dir == DMA_TO_DEVICE || dma == DMA_BIDIRECTIONAL))
>  			memcpy(dma_addr, buffer, size);
> -		else if (dir != DMA_FROM_DEVICE && dir != DMA_NONE)
> +		else if (dir != DMA_FROM_DEVICE)
>  			BUG();
>  		break;
>  	default:
> -- 
> John W. Linville
> linville@xxxxxxxxxxxxx
-
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