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Commit f9d4a398 authored by Nicolin Chen's avatar Nicolin Chen Committed by Vinod Koul
Browse files

dmaengine: imx-sdma: Correct src_addr_widths and directions 



The driver already supports DMA_DEV_TO_DEV in sdma_config(),
DMA_SLAVE_BUSWIDTH_2_BYTES and DMA_SLAVE_BUSWIDTH_1_BYTE in
sdma_prep_slave_sg(). So this patch adds them to the lists.

Signed-off-by: default avatarNicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 2bd6bf03

drivers/dma/imx-sdma.c

+11 −3
Original line number Diff line number Diff line
@@ -178,6 +178,14 @@ 
#define SDMA_WATERMARK_LEVEL_HWE	BIT(29)

#define SDMA_WATERMARK_LEVEL_CONT	BIT(31)



#define SDMA_DMA_BUSWIDTHS	(BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \

				 BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \

				 BIT(DMA_SLAVE_BUSWIDTH_4_BYTES))



#define SDMA_DMA_DIRECTIONS	(BIT(DMA_DEV_TO_MEM) | \

				 BIT(DMA_MEM_TO_DEV) | \

				 BIT(DMA_DEV_TO_DEV))



/*

 * Mode/Count of data node descriptors - IPCv2

 */
@@ -1851,9 +1859,9 @@ static int sdma_probe(struct platform_device *pdev) 
	sdma->dma_device.device_prep_dma_cyclic = sdma_prep_dma_cyclic;

	sdma->dma_device.device_config = sdma_config;

	sdma->dma_device.device_terminate_all = sdma_disable_channel_with_delay;

	sdma->dma_device.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);

	sdma->dma_device.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);

	sdma->dma_device.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);

	sdma->dma_device.src_addr_widths = SDMA_DMA_BUSWIDTHS;

	sdma->dma_device.dst_addr_widths = SDMA_DMA_BUSWIDTHS;

	sdma->dma_device.directions = SDMA_DMA_DIRECTIONS;

	sdma->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;

	sdma->dma_device.device_issue_pending = sdma_issue_pending;

	sdma->dma_device.dev->dma_parms = &sdma->dma_parms;