[PATCH] dmaengine: at_hdmac: declare slave capabilities

[nicolas.ferre@atmel.com (Nicolas Ferre)]

Le 06/01/2015 17:36, Ludovic Desroches a ?crit :
> Declare slave capabilities to suppress "this driver doesn't support generic
> slave capabilities reporting" warning.
> 
> Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>

Okay:
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Thanks Ludovic.
Bye.

> ---
>  drivers/dma/at_hdmac.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
> index 86450b3..1e1a4c5 100644
> --- a/drivers/dma/at_hdmac.c
> +++ b/drivers/dma/at_hdmac.c
> @@ -42,6 +42,11 @@
>  #define	ATC_DEFAULT_CFG		(ATC_FIFOCFG_HALFFIFO)
>  #define	ATC_DEFAULT_CTRLB	(ATC_SIF(AT_DMA_MEM_IF) \
>  				|ATC_DIF(AT_DMA_MEM_IF))
> +#define ATC_DMA_BUSWIDTHS\
> +	(BIT(DMA_SLAVE_BUSWIDTH_UNDEFINED) |\
> +	BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) |\
> +	BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |\
> +	BIT(DMA_SLAVE_BUSWIDTH_4_BYTES))
>  
>  /*
>   * Initial number of descriptors to allocate for each channel. This could
> @@ -1531,6 +1536,10 @@ static int __init at_dma_probe(struct platform_device *pdev)
>  		atdma->dma_common.device_pause = atc_pause;
>  		atdma->dma_common.device_resume = atc_resume;
>  		atdma->dma_common.device_terminate_all = atc_terminate_all;
> +		atdma->dma_common.src_addr_widths = ATC_DMA_BUSWIDTHS;
> +		atdma->dma_common.dst_addr_widths = ATC_DMA_BUSWIDTHS;
> +		atdma->dma_common.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
> +		atdma->dma_common.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
>  	}
>  
>  	dma_writel(atdma, EN, AT_DMA_ENABLE);
> 


-- 
Nicolas Ferre