3 files changed, 17 insertions, 6 deletions

diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c
index 93a994a5dd8..889c2c22325 100644
--- a/arch/arm/plat-samsung/dma-ops.c
+++ b/arch/arm/plat-samsung/dma-ops.c
@@ -18,12 +18,6 @@
 
 #include <mach/dma.h>
 
-static inline bool pl330_filter(struct dma_chan *chan, void *param)
-{
-        struct dma_pl330_peri *peri = chan->private;
-        return peri->peri_id == (unsigned)param;
-}
-
 static unsigned samsung_dmadev_request(enum dma_ch dma_ch,
                                 struct samsung_dma_info *info)
 {
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 571041477ab..0c434dca4bf 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -116,6 +116,9 @@ struct dma_pl330_desc {
         struct dma_pl330_chan *pchan;
 };
 
+/* forward declaration */
+static struct amba_driver pl330_driver;
+
 static inline struct dma_pl330_chan *
 to_pchan(struct dma_chan *ch)
 {
@@ -267,6 +270,18 @@ static void dma_pl330_rqcb(void *token, enum pl330_op_err err)
         tasklet_schedule(&pch->task);
 }
 
+bool pl330_filter(struct dma_chan *chan, void *param)
+{
+        struct dma_pl330_peri *peri;
+
+        if (chan->device->dev->driver != &pl330_driver.drv)
+                return false;
+
+        peri = chan->private;
+        return peri->peri_id == (unsigned)param;
+}
+EXPORT_SYMBOL(pl330_filter);
+
 static int pl330_alloc_chan_resources(struct dma_chan *chan)
 {
         struct dma_pl330_chan *pch = to_pchan(chan);
diff --git a/include/linux/amba/pl330.h b/include/linux/amba/pl330.h
index d12f077a6da..6db72dae2f1 100644
--- a/include/linux/amba/pl330.h
+++ b/include/linux/amba/pl330.h
@@ -12,6 +12,7 @@
 #ifndef __AMBA_PL330_H_
 #define __AMBA_PL330_H_
 
+#include <linux/dmaengine.h>
 #include <asm/hardware/pl330.h>
 
 struct dma_pl330_peri {
@@ -38,4 +39,5 @@ struct dma_pl330_platdata {
         unsigned mcbuf_sz;
 };
 
+extern bool pl330_filter(struct dma_chan *chan, void *param);
 #endif  /* __AMBA_PL330_H_ */