Blackfin arch: cleanup IO and DMA_IO API function definitions according to other arches

Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index f0db6c5c8d1a..858cca6a2afc 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -583,7 +583,7 @@ void *safe_dma_memcpy(void *dest, const void *src, size_t size)
 }
 EXPORT_SYMBOL(safe_dma_memcpy);
 
-void dma_outsb(void __iomem *addr, const void *buf, unsigned short len)
+void dma_outsb(const void __iomem *addr, const void *buf, unsigned short len)
 {
 	unsigned long flags;
 
@@ -647,7 +647,7 @@ void dma_insb(const void __iomem *addr, void *buf, unsigned short len)
 }
 EXPORT_SYMBOL(dma_insb);
 
-void dma_outsw(void __iomem *addr, const void  *buf, unsigned short len)
+void dma_outsw(const void __iomem *addr, const void  *buf, unsigned short len)
 {
 	unsigned long flags;
 
@@ -711,7 +711,7 @@ void dma_insw(const void __iomem *addr, void *buf, unsigned short len)
 }
 EXPORT_SYMBOL(dma_insw);
 
-void dma_outsl(void __iomem *addr, const void *buf, unsigned short len)
+void dma_outsl(const void __iomem *addr, const void *buf, unsigned short len)
 {
 	unsigned long flags;