diff options
Diffstat (limited to 'drivers/dma/cppi41.c')
| -rw-r--r-- | drivers/dma/cppi41.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c index 512cb8e2805e..ceedafbd23e0 100644 --- a/drivers/dma/cppi41.c +++ b/drivers/dma/cppi41.c @@ -903,6 +903,11 @@ static const struct cppi_glue_infos *get_glue_info(struct device *dev) return of_id->data; } +#define CPPI41_DMA_BUSWIDTHS (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \ + BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \ + BIT(DMA_SLAVE_BUSWIDTH_3_BYTES) | \ + BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)) + static int cppi41_dma_probe(struct platform_device *pdev) { struct cppi41_dd *cdd; @@ -926,6 +931,10 @@ static int cppi41_dma_probe(struct platform_device *pdev) cdd->ddev.device_issue_pending = cppi41_dma_issue_pending; cdd->ddev.device_prep_slave_sg = cppi41_dma_prep_slave_sg; cdd->ddev.device_terminate_all = cppi41_stop_chan; + cdd->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + cdd->ddev.src_addr_widths = CPPI41_DMA_BUSWIDTHS; + cdd->ddev.dst_addr_widths = CPPI41_DMA_BUSWIDTHS; + cdd->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; cdd->ddev.dev = dev; INIT_LIST_HEAD(&cdd->ddev.channels); cpp41_dma_info.dma_cap = cdd->ddev.cap_mask; |