[PATCH] dma/edma.c: fix sparse warnings

[Lad Prabhakar]

From: "Lad, Prabhakar" <prabhakar.csengg@xxxxxxxxx>

this patch fixes following sparse warnings:

edma.c:537:32: warning: symbol 'edma_prep_dma_memcpy' was not declared. Should it be static?
edma.c:1070:6: warning: symbol 'edma_filter_fn' was not declared. Should it be static?

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
---
  Found this issue on linux-next (arm-cortex-a8-gcc  version 4.7.3,
  sparse version  0.4.5-rc1)and applies on top linux-next.

 drivers/dma/edma.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index e95fa7d..276157f 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -15,6 +15,7 @@
 
 #include <linux/dmaengine.h>
 #include <linux/dma-mapping.h>
+#include <linux/edma.h>
 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
@@ -534,7 +535,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
 	return vchan_tx_prep(&echan->vchan, &edesc->vdesc, tx_flags);
 }
 
-struct dma_async_tx_descriptor *edma_prep_dma_memcpy(
+static struct dma_async_tx_descriptor *edma_prep_dma_memcpy(
 	struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
 	size_t len, unsigned long tx_flags)
 {
-- 
1.9.1

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