diff options
Diffstat (limited to 'drivers/dma/fsl-edma.c')
-rw-r--r-- | drivers/dma/fsl-edma.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c index 90bb72af306c..76cbf54aec58 100644 --- a/drivers/dma/fsl-edma.c +++ b/drivers/dma/fsl-edma.c @@ -17,6 +17,7 @@ #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_dma.h> +#include <linux/dma-mapping.h> #include "fsl-edma-common.h" @@ -372,6 +373,7 @@ static int fsl_edma_probe(struct platform_device *pdev) dma_cap_set(DMA_PRIVATE, fsl_edma->dma_dev.cap_mask); dma_cap_set(DMA_SLAVE, fsl_edma->dma_dev.cap_mask); dma_cap_set(DMA_CYCLIC, fsl_edma->dma_dev.cap_mask); + dma_cap_set(DMA_MEMCPY, fsl_edma->dma_dev.cap_mask); fsl_edma->dma_dev.dev = &pdev->dev; fsl_edma->dma_dev.device_alloc_chan_resources @@ -381,6 +383,7 @@ static int fsl_edma_probe(struct platform_device *pdev) fsl_edma->dma_dev.device_tx_status = fsl_edma_tx_status; fsl_edma->dma_dev.device_prep_slave_sg = fsl_edma_prep_slave_sg; fsl_edma->dma_dev.device_prep_dma_cyclic = fsl_edma_prep_dma_cyclic; + fsl_edma->dma_dev.device_prep_dma_memcpy = fsl_edma_prep_memcpy; fsl_edma->dma_dev.device_config = fsl_edma_slave_config; fsl_edma->dma_dev.device_pause = fsl_edma_pause; fsl_edma->dma_dev.device_resume = fsl_edma_resume; @@ -392,6 +395,10 @@ static int fsl_edma_probe(struct platform_device *pdev) fsl_edma->dma_dev.dst_addr_widths = FSL_EDMA_BUSWIDTHS; fsl_edma->dma_dev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + fsl_edma->dma_dev.copy_align = DMAENGINE_ALIGN_32_BYTES; + /* Per worst case 'nbytes = 1' take CITER as the max_seg_size */ + dma_set_max_seg_size(fsl_edma->dma_dev.dev, 0x3fff); + platform_set_drvdata(pdev, fsl_edma); ret = dma_async_device_register(&fsl_edma->dma_dev); |