Re: [PATCH 01/28] dmaengine: use DMA_COMPLETE for dma completionstatus

[Sebastian Andrzej Siewior]

On Thu, Oct 17, 2013 at 07:37:45AM +0530, Vinod Koul wrote:
> index 0bc7275..683c380 100644
> --- a/include/linux/dmaengine.h
> +++ b/include/linux/dmaengine.h
> @@ -45,16 +45,17 @@ static inline int dma_submit_error(dma_cookie_t cookie)
>  
>  /**
>   * enum dma_status - DMA transaction status
> - * @DMA_SUCCESS: transaction completed successfully
> + * @DMA_COMPLETE: transaction completed
>   * @DMA_IN_PROGRESS: transaction not yet processed
>   * @DMA_PAUSED: transaction is paused
>   * @DMA_ERROR: transaction failed
>   */
>  enum dma_status {
> -	DMA_SUCCESS,
> +	DMA_COMPLETE,
>  	DMA_IN_PROGRESS,
>  	DMA_PAUSED,
>  	DMA_ERROR,
> +	DMA_SUCCESS,
>  };

There are some drivers which compare against == or != DMA_SUCCESS. Shouldn't this
become
  enum dma_status {
 -	DMA_SUCCESS,
 +	DMA_COMPLETE = 0, DMA_SUCCESS = 0,
  	DMA_IN_PROGRESS,
  	DMA_PAUSED,
  	DMA_ERROR,
  };

so nothing breaks during the transition?

Sebastian
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