diff options
Diffstat (limited to 'drivers/dma/sh/shdmac.c')
| -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) |