diff options
| author | Philippe Rétornaz <[email protected]> | 2012-01-24 14:22:01 +0100 |
|---|---|---|
| committer | Vinod Koul <[email protected]> | 2012-02-02 14:00:43 +0530 |
| commit | 94ac27a54be6a14948f0a9b3f542b4ff1faac232 (patch) | |
| tree | 3aff7c8ba640843965ef4a7223dd4ce7ae3501a5 | |
| parent | c8ddf036d99e7fab943b7587c75a905e789ea7e7 (diff) | |
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: Philippe Rétornaz <[email protected]>
Tested-by: Sascha Hauer <[email protected]>
Acked-by: Sascha Hauer <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
| -rw-r--r-- | drivers/dma/imx-sdma.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index a8af379680c1..8bc5acf36ee5 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -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; |