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mmc: mxs-mmc: fix the dma_transfer_direction migration

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The commit 05f5799 (mmc-host: move to dma_transfer_direction) left out
the DMA_NONE, in turn breaks the driver as below.

[    0.650000] mxs-mmc mxs-mmc.0: initialized
[    0.650000] mxs-mmc mxs-mmc.1: initialized
[    0.690000] mxs-dma mxs-dma-apbh: maximum bytes for sg entry exceeded: -55906
7475 > 65280
[    0.690000] mxs-mmc mxs-mmc.0: mxs_mmc_ac: failed to prep dma

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Shawn Guo 2011-12-13 23:48:04 +08:00 committed by Vinod Koul
parent 62268ce917
commit a4e3e86d66
1 changed files with 3 additions and 0 deletions
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3
drivers/mmc/host/mxs-mmc.c
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@ -357,6 +357,7 @@ static void mxs_mmc_bc(struct mxs_mmc_host *host)
host->ssp_pio_words[1] = cmd0;
host->ssp_pio_words[2] = cmd1;
host->dma_dir = DMA_NONE;
host->slave_dirn = DMA_TRANS_NONE;
desc = mxs_mmc_prep_dma(host, 0);
if (!desc)
goto out;
@ -396,6 +397,7 @@ static void mxs_mmc_ac(struct mxs_mmc_host *host)
host->ssp_pio_words[1] = cmd0;
host->ssp_pio_words[2] = cmd1;
host->dma_dir = DMA_NONE;
host->slave_dirn = DMA_TRANS_NONE;
desc = mxs_mmc_prep_dma(host, 0);
if (!desc)
goto out;
@ -514,6 +516,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
host->ssp_pio_words[1] = cmd0;
host->ssp_pio_words[2] = cmd1;
host->dma_dir = DMA_NONE;
host->slave_dirn = DMA_TRANS_NONE;
desc = mxs_mmc_prep_dma(host, 0);
if (!desc)
goto out;