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-rw-r--r--drivers/mmc/host/sh_mobile_sdhi.c9
-rw-r--r--drivers/mmc/host/tmio_mmc_dma.c12
-rw-r--r--include/linux/mfd/tmio.h3
3 files changed, 14 insertions, 10 deletions
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index fe90853900b4..e0088d7f5f85 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;
}
}
diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c
index fff928604859..dc4b10b9c72a 100644
--- a/drivers/mmc/host/tmio_mmc_dma.c
+++ b/drivers/mmc/host/tmio_mmc_dma.c
@@ -261,14 +261,6 @@ out:
spin_unlock_irq(&host->lock);
}
-/* It might be necessary to make filter MFD specific */
-static bool tmio_mmc_filter(struct dma_chan *chan, void *arg)
-{
- dev_dbg(chan->device->dev, "%s: slave data %p\n", __func__, arg);
- chan->private = arg;
- return true;
-}
-
void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdata)
{
/* We can only either use DMA for both Tx and Rx or not use it at all */
@@ -281,7 +273,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
- host->chan_tx = dma_request_channel(mask, tmio_mmc_filter,
+ host->chan_tx = dma_request_channel(mask, pdata->dma->filter,
pdata->dma->chan_priv_tx);
dev_dbg(&host->pdev->dev, "%s: TX: got channel %p\n", __func__,
host->chan_tx);
@@ -289,7 +281,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
if (!host->chan_tx)
return;
- host->chan_rx = dma_request_channel(mask, tmio_mmc_filter,
+ host->chan_rx = dma_request_channel(mask, pdata->dma->filter,
pdata->dma->chan_priv_rx);
dev_dbg(&host->pdev->dev, "%s: RX: got channel %p\n", __func__,
host->chan_rx);
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index 99bf3e665997..0990d8a2dbd7 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -81,10 +81,13 @@ int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
+struct dma_chan;
+
struct tmio_mmc_dma {
void *chan_priv_tx;
void *chan_priv_rx;
int alignment_shift;
+ bool (*filter)(struct dma_chan *chan, void *arg);
};
struct tmio_mmc_host;