[PATCH v11 2/2] dmaengine: Add Xilinx zynqmp dma engine driver support
Vinod Koul
vinod.koul at intel.com
Wed Jun 29 21:26:53 PDT 2016
On Thu, Jun 09, 2016 at 09:07:47PM +0530, Kedareswara rao Appana wrote:
> + dma_set_mask(&pdev->dev, DMA_BIT_MASK(44));
> + dma_cap_set(DMA_SG, zdev->common.cap_mask);
> + dma_cap_set(DMA_MEMCPY, zdev->common.cap_mask);
> /**
> + * struct zynqmp_dma_config - ZYNQMP DMA Configuration structure
> + * @ovrfetch: Overfetch status
> + * @has_sg: Support scatter gather transfers
> + * @ratectrl: Rate control value
> + * @src_issue: Out standing transactions on source
> + * @src_burst_len: Source burst length
> + * @dst_burst_len: Dest burst length
> + */
As discussed in other thread as well, this is no-go for memcpy. Please come
back after removing this
For slave usages use the dma_slave_config
--
~Vinod
More information about the linux-arm-kernel
mailing list