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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2010-11-23 19:24:19 +0300
committerChris Ball <cjb@laptop.org>2011-01-09 07:52:30 +0300
commit39a65a0dbbf73403daa9f4cc0ab30957ba61e60f (patch)
tree0de8c023643fe41c94b31b6e088c0c2a9c39a1e9 /drivers/mfd/sh_mobile_sdhi.c
parenteba46030e1727f2af377300b6a55df846fa830f1 (diff)
downloadlinux-39a65a0dbbf73403daa9f4cc0ab30957ba61e60f.tar.xz
mfd: sdhi: require the tmio-mmc driver to bounce unaligned buffers
The SDHI controller on SH-Mobile SoCs requires even buffer addresses, when used with DMA. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mfd/sh_mobile_sdhi.c')
-rw-r--r--drivers/mfd/sh_mobile_sdhi.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mfd/sh_mobile_sdhi.c b/drivers/mfd/sh_mobile_sdhi.c
index f1714f93af9d..3ca20ecaac7e 100644
--- a/drivers/mfd/sh_mobile_sdhi.c
+++ b/drivers/mfd/sh_mobile_sdhi.c
@@ -136,6 +136,7 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
priv->param_rx.slave_id = p->dma_slave_rx;
priv->dma_priv.chan_priv_tx = &priv->param_tx;
priv->dma_priv.chan_priv_rx = &priv->param_rx;
+ priv->dma_priv.alignment_shift = 1; /* 2-byte alignment */
mmc_data->dma = &priv->dma_priv;
}