diff options
| author | Philippe Rétornaz <philippe.retornaz@epfl.ch> | 2012-01-24 14:22:01 +0100 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@linux.intel.com> | 2012-02-02 09:30:43 +0100 |
| commit | 94ac27a54be6a14948f0a9b3f542b4ff1faac232 (patch) | |
| tree | 3aff7c8ba640843965ef4a7223dd4ce7ae3501a5 /drivers/dma/imx-sdma.c | |
| parent | ARM: mach-shmobile: both USB DMAC instances on sh7372 are slave-only (diff) | |
| download | linux-94ac27a54be6a14948f0a9b3f542b4ff1faac232.tar.xz linux-94ac27a54be6a14948f0a9b3f542b4ff1faac232.zip | |
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 <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>
Diffstat (limited to 'drivers/dma/imx-sdma.c')
| -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; |