From: Kuninori Morimoto Date: Thu, 8 Jan 2015 01:38:50 +0000 (+0000) Subject: dmaengine: rcar-hpbdma: fixup WARNING of slave caps retrieval X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7a96337d05e7ca5eee2b4c3851700e21a8bac017;p=linux-beck.git 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 Signed-off-by: Vinod Koul --- 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);