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SubjectRe: [PATCH] soc: ti: knav_dma: Use proper enum in pktdma_init_chan
On Mon, Dec 10, 2018 at 05:41:14PM -0700, Nathan Chancellor wrote:
> Clang warns when one enumerated type is implicitly converted to another:
>
> drivers/soc/ti/knav_dma.c:601:20: warning: implicit conversion from
> enumeration type 'enum dma_data_direction' to different enumeration type
> 'enum dma_transfer_direction' [-Wenum-conversion]
> chan->direction = DMA_NONE;
> ~ ^~~~~~~~
> 1 warning generated.
>
> While DMA_NONE and DMA_TRANS_NONE have different values, there is no
> functional change because direction is never checked against DMA_NONE,
> only against DMA_MEM_TO_DEV and DMA_DEV_TO_MEM.
>
> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
> ---
> drivers/soc/ti/knav_dma.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/soc/ti/knav_dma.c b/drivers/soc/ti/knav_dma.c
> index e05ab16d9a9e..6285cd8efb21 100644
> --- a/drivers/soc/ti/knav_dma.c
> +++ b/drivers/soc/ti/knav_dma.c
> @@ -598,7 +598,7 @@ static int pktdma_init_chan(struct knav_dma_device *dma,
>
> INIT_LIST_HEAD(&chan->list);
> chan->dma = dma;
> - chan->direction = DMA_NONE;
> + chan->direction = DMA_TRANS_NONE;
> atomic_set(&chan->ref_count, 0);
> spin_lock_init(&chan->lock);
>
> --
> 2.20.0
>

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