diff options
| author | Nicolin Chen <nicoleotsuka@gmail.com> | 2017-09-14 20:46:43 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2017-09-21 19:15:42 +0200 |
| commit | f9d4a398f121b00f581da1428bff9b93d955452d (patch) | |
| tree | fb4051862cc9cecf03804f78b0d9de4917371065 /drivers/dma | |
| parent | Linux 4.14-rc1 (diff) | |
| download | linux-f9d4a398f121b00f581da1428bff9b93d955452d.tar.xz linux-f9d4a398f121b00f581da1428bff9b93d955452d.zip | |
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: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index a67ec1bdc4e0..2184881afe76 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -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; |