sprd_dma_get_step  735 drivers/dma/sprd-dma.c 		src_step = sprd_dma_get_step(slave_cfg->src_addr_width);
sprd_dma_get_step  751 drivers/dma/sprd-dma.c 		dst_step = sprd_dma_get_step(slave_cfg->dst_addr_width);