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i.MX SDMA: Fix burstsize settings

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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: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Philippe Rétornaz 2012-01-24 14:22:01 +01:00 • committed by Vinod Koul
parent c8ddf036d9
commit 94ac27a54b
1 changed files with 4 additions and 2 deletions

6
drivers/dma/imx-sdma.c
View file

@ -1102,11 +1102,13 @@ static int sdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
case DMA_SLAVE_CONFIG:
if (dmaengine_cfg->direction == DMA_DEV_TO_MEM) {
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;
} else {
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->direction = dmaengine_cfg->direction;