diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2015-01-22 02:32:51 +0000 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2015-01-25 22:37:20 -0800 |
| commit | 5cf5aec5b38a5143883fc5b689bf5c1c8ee48aa3 (patch) | |
| tree | cd0ccaa81417c196cee1cb35eb4f6f6dfe7ef947 /drivers/dma | |
| parent | 2b5fbb824f99c5a31e9ff175e96257c1d49e2e15 (diff) | |
| download | linux-5cf5aec5b38a5143883fc5b689bf5c1c8ee48aa3.tar.bz2 | |
dmaengine: shdmac: 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>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/sh/shdmac.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c index aec8a84784a4..ce4cd6be07cf 100644 --- a/drivers/dma/sh/shdmac.c +++ b/drivers/dma/sh/shdmac.c @@ -684,6 +684,10 @@ MODULE_DEVICE_TABLE(of, sh_dmae_of_match); static int sh_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 | DMA_SLAVE_BUSWIDTH_8_BYTES | + DMA_SLAVE_BUSWIDTH_16_BYTES | DMA_SLAVE_BUSWIDTH_32_BYTES; const struct sh_dmae_pdata *pdata; unsigned long chan_flag[SH_DMAE_MAX_CHANNELS] = {}; int chan_irq[SH_DMAE_MAX_CHANNELS]; @@ -746,6 +750,11 @@ static int sh_dmae_probe(struct platform_device *pdev) return PTR_ERR(shdev->dmars); } + 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_DESCRIPTOR; + if (!pdata->slave_only) dma_cap_set(DMA_MEMCPY, dma_dev->cap_mask); if (pdata->slave && pdata->slave_num) |