ZYNQMP_DMA_MAX_TRANS_LEN 813 drivers/dma/xilinx/zynqmp_dma.c desc_cnt = DIV_ROUND_UP(len, ZYNQMP_DMA_MAX_TRANS_LEN); ZYNQMP_DMA_MAX_TRANS_LEN 828 drivers/dma/xilinx/zynqmp_dma.c copy = min_t(size_t, len, ZYNQMP_DMA_MAX_TRANS_LEN);