diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2015-01-08 01:38:50 +0000 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2015-01-13 23:53:01 +0530 |
| commit | 7a96337d05e7ca5eee2b4c3851700e21a8bac017 (patch) | |
| tree | 67cc8b8718c0170eef8cb9bd93a9d79e0dc04128 /drivers/dma | |
| parent | 63c72e028a1dd18515c356834d3f9cfce1cd3f51 (diff) | |
| download | linux-7a96337d05e7ca5eee2b4c3851700e21a8bac017.tar.bz2 | |
dmaengine: rcar-hpbdma: fixup WARNING of slave caps retrieval
ecc19d17868be9c9f8f00ed928791533c420f3e0
(dmaengine: Add a warning for drivers not using the generic slave
caps retrieval) added WARN() for DMA_SLAVE.
Kernel will shows WARNING without this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/sh/rcar-hpbdma.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dma/sh/rcar-hpbdma.c b/drivers/dma/sh/rcar-hpbdma.c index 20a6f6f2a018..6fef1b95c895 100644 --- a/drivers/dma/sh/rcar-hpbdma.c +++ b/drivers/dma/sh/rcar-hpbdma.c @@ -534,6 +534,8 @@ static int hpb_dmae_chan_probe(struct hpb_dmae_device *hpbdev, int id) static int hpb_dmae_probe(struct platform_device *pdev) { + const enum dma_slave_buswidth widths = DMA_SLAVE_BUSWIDTH_1_BYTE | + DMA_SLAVE_BUSWIDTH_2_BYTES | DMA_SLAVE_BUSWIDTH_4_BYTES; struct hpb_dmae_pdata *pdata = pdev->dev.platform_data; struct hpb_dmae_device *hpbdev; struct dma_device *dma_dev; @@ -595,6 +597,10 @@ static int hpb_dmae_probe(struct platform_device *pdev) dma_cap_set(DMA_MEMCPY, dma_dev->cap_mask); dma_cap_set(DMA_SLAVE, dma_dev->cap_mask); + dma_dev->src_addr_widths = widths; + dma_dev->dst_addr_widths = widths; + dma_dev->directions = BIT(DMA_MEM_TO_DEV) | BIT(DMA_DEV_TO_MEM); + dma_dev->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; hpbdev->shdma_dev.ops = &hpb_dmae_ops; hpbdev->shdma_dev.desc_size = sizeof(struct hpb_desc); |