diff options
| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2015-02-15 18:49:16 (GMT) |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2015-03-05 16:45:35 (GMT) |
| commit | ecb9b4241f696b746215b1de36106258bc8ed957 (patch) | |
| tree | f364882cafed60b89160ac3a3da8327395624529 /drivers | |
| parent | 90b1047f138459e86861cf401c5e9f0a9aa3b23b (diff) | |
| download | linux-ecb9b4241f696b746215b1de36106258bc8ed957.tar.xz | |
dmaengine: mmp_pdma: fix warning about slave caps
Fix the dmaengine complaint about missing slave caps :
- declare the available bus widths
- declare the available transfer types
- declare the residue calculation type
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/mmp_pdma.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index abf1450..eb41004 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -1002,6 +1002,9 @@ static int mmp_pdma_probe(struct platform_device *op) struct resource *iores; int i, ret, irq = 0; int dma_channels = 0, irq_num = 0; + const enum dma_slave_buswidth widths = + DMA_SLAVE_BUSWIDTH_1_BYTE | DMA_SLAVE_BUSWIDTH_2_BYTES | + DMA_SLAVE_BUSWIDTH_4_BYTES; pdev = devm_kzalloc(&op->dev, sizeof(*pdev), GFP_KERNEL); if (!pdev) @@ -1069,6 +1072,10 @@ static int mmp_pdma_probe(struct platform_device *op) pdev->device.device_config = mmp_pdma_config; pdev->device.device_terminate_all = mmp_pdma_terminate_all; pdev->device.copy_align = PDMA_ALIGNMENT; + pdev->device.src_addr_widths = widths; + pdev->device.dst_addr_widths = widths; + pdev->device.directions = BIT(DMA_MEM_TO_DEV) | BIT(DMA_DEV_TO_MEM); + pdev->device.residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR; if (pdev->dev->coherent_dma_mask) dma_set_mask(pdev->dev, pdev->dev->coherent_dma_mask); |