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Commit 94ac27a5 authored by Philippe Rétornaz's avatar Philippe Rétornaz Committed by Vinod Koul
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i.MX SDMA: Fix burstsize settings 



Commit 6584cb88 (ARM i.MX dma: Fix burstsize settings) fixed
the mxcmmc driver but forgot to fix the SDMA driver to handle the
correct burtsize.
This make the SD card access works again with DMA on i.MX31 boards.

Signed-off-by: default avatarPhilippe Rétornaz <philippe.retornaz@epfl.ch>
Tested-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Acked-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarVinod Koul <vinod.koul@linux.intel.com>
parent c8ddf036

drivers/dma/imx-sdma.c

+4 −2
Original line number Original line Diff line number Diff line
@@ -1102,11 +1102,13 @@ static int sdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, 
	case DMA_SLAVE_CONFIG:

	case DMA_SLAVE_CONFIG:

		if (dmaengine_cfg->direction == DMA_DEV_TO_MEM) {

		if (dmaengine_cfg->direction == DMA_DEV_TO_MEM) {

			sdmac->per_address = dmaengine_cfg->src_addr;

			sdmac->per_address = dmaengine_cfg->src_addr;

			sdmac->watermark_level = dmaengine_cfg->src_maxburst;

			sdmac->watermark_level = dmaengine_cfg->src_maxburst *

						dmaengine_cfg->src_addr_width;

			sdmac->word_size = dmaengine_cfg->src_addr_width;

			sdmac->word_size = dmaengine_cfg->src_addr_width;

		} else {

		} else {

			sdmac->per_address = dmaengine_cfg->dst_addr;

			sdmac->per_address = dmaengine_cfg->dst_addr;

			sdmac->watermark_level = dmaengine_cfg->dst_maxburst;

			sdmac->watermark_level = dmaengine_cfg->dst_maxburst *

						dmaengine_cfg->dst_addr_width;

			sdmac->word_size = dmaengine_cfg->dst_addr_width;

			sdmac->word_size = dmaengine_cfg->dst_addr_width;

		}

		}

		sdmac->direction = dmaengine_cfg->direction;

		sdmac->direction = dmaengine_cfg->direction;