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path: root/drivers/mmc/host/sh_mobile_sdhi.c
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Diffstat (limited to 'drivers/mmc/host/sh_mobile_sdhi.c')
-rw-r--r--drivers/mmc/host/sh_mobile_sdhi.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index fe90853..e0088d7 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -20,6 +20,7 @@
#include <linux/kernel.h>
#include <linux/clk.h>
+#include <linux/dmaengine.h>
#include <linux/slab.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
@@ -124,6 +125,13 @@ static void sh_mobile_sdhi_cd_wakeup(const struct platform_device *pdev)
mmc_detect_change(dev_get_drvdata(&pdev->dev), msecs_to_jiffies(100));
}
+static bool sh_mobile_sdhi_filter(struct dma_chan *chan, void *arg)
+{
+ dev_dbg(chan->device->dev, "%s: slave data %p\n", __func__, arg);
+ chan->private = arg;
+ return true;
+}
+
static const struct sh_mobile_sdhi_ops sdhi_ops = {
.cd_wakeup = sh_mobile_sdhi_cd_wakeup,
};
@@ -191,6 +199,7 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
priv->dma_priv.chan_priv_tx = &priv->param_tx.shdma_slave;
priv->dma_priv.chan_priv_rx = &priv->param_rx.shdma_slave;
priv->dma_priv.alignment_shift = 1; /* 2-byte alignment */
+ priv->dma_priv.filter = sh_mobile_sdhi_filter;
mmc_data->dma = &priv->dma_priv;
}
}
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