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Commit e36152aa authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Ulf Hansson
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mmc: sh_mmcif: Configure DMA slave bus width 



The data register is 4 bytes wide, hardcode the DMA transfer size to
4 bytes in both directions.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent d25006e7

drivers/mmc/host/sh_mmcif.c

+5 −2
Original line number Diff line number Diff line
@@ -418,10 +418,13 @@ sh_mmcif_request_dma_one(struct sh_mmcif_host *host, 
	cfg.slave_id = slave_id;

	cfg.direction = direction;



	if (direction == DMA_DEV_TO_MEM)

	if (direction == DMA_DEV_TO_MEM) {

		cfg.src_addr = res->start + MMCIF_CE_DATA;

	else

		cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;

	} else {

		cfg.dst_addr = res->start + MMCIF_CE_DATA;

		cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;

	}



	ret = dmaengine_slave_config(chan, &cfg);

	if (ret < 0) {