327 	u32 best_burst = max_burst;  in stm32_dma_get_best_burst()  local
329 	if (best_burst == 1 || !stm32_dma_is_burst_possible(buf_len, threshold))  in stm32_dma_get_best_burst()
332 	while ((buf_len < best_burst * width && best_burst > 1) ||  in stm32_dma_get_best_burst()
333 	       !stm32_dma_fifo_threshold_is_allowed(best_burst, threshold,  in stm32_dma_get_best_burst()
335 		if (best_burst > STM32_DMA_MIN_BURST)  in stm32_dma_get_best_burst()
336 			best_burst = best_burst >> 1;  in stm32_dma_get_best_burst()
338 			best_burst = 0;  in stm32_dma_get_best_burst()
341 	return best_burst;  in stm32_dma_get_best_burst()
995 	u32 num_sgs, best_burst, dma_burst, threshold;  in stm32_dma_prep_dma_memcpy()  local
1011 		best_burst = stm32_dma_get_best_burst(len, STM32_DMA_MAX_BURST,  in stm32_dma_prep_dma_memcpy()
1013 		dma_burst = stm32_dma_get_burst(chan, best_burst);  in stm32_dma_prep_dma_memcpy()