STM32_DMA3_MAX_BURST_LEN
ddata->axi_max_burst_len = STM32_DMA3_MAX_BURST_LEN;
STM32_DMA3_MAX_BURST_LEN);
u32 src_max_burst = STM32_DMA3_MAX_BURST_LEN, dst_max_burst = STM32_DMA3_MAX_BURST_LEN;