Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 816070ed authored by Ludovic Desroches's avatar Ludovic Desroches Committed by Vinod Koul
Browse files

dmaengine: at_hdmac: declare slave capabilities 



Declare slave capabilities to suppress "this driver doesn't support generic
slave capabilities reporting" warning.

Signed-off-by: default avatarLudovic Desroches <ludovic.desroches@atmel.com>
Acked-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 891653ab

drivers/dma/at_hdmac.c

+9 −0
Original line number Diff line number Diff line
@@ -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);