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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2015-01-08 01:38:50 +0000
committerVinod Koul <vinod.koul@intel.com>2015-01-13 23:53:01 +0530
commit7a96337d05e7ca5eee2b4c3851700e21a8bac017 (patch)
tree67cc8b8718c0170eef8cb9bd93a9d79e0dc04128 /drivers/dma
parent63c72e028a1dd18515c356834d3f9cfce1cd3f51 (diff)
downloadlinux-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.c6
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);