[U-Boot] [PATCH] nds32: Fix io.h warning message about readb

[Andes]

From: rick <rick at andestech.com>

It is caused from asm/io.h declare different input type.

Signed-off-by: rick <rick at andestech.com>
---
 arch/nds32/include/asm/io.h |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/nds32/include/asm/io.h b/arch/nds32/include/asm/io.h
index b2c4d0e..ed4dc85 100644
--- a/arch/nds32/include/asm/io.h
+++ b/arch/nds32/include/asm/io.h
@@ -104,26 +104,26 @@ extern void __raw_readsl(unsigned int addr, void *data, int longlen);
 #define __iormb()	dmb()
 #define __iowmb()	dmb()
 
-static inline void writeb(unsigned char val, unsigned char *addr)
+static inline void writeb(u8 val, volatile void __iomem *addr)
 {
 	__iowmb();
 	__arch_putb(val, addr);
 }
 
-static inline void writew(unsigned short val, unsigned short *addr)
+static inline void writew(u16 val, volatile void __iomem *addr)
 {
 	__iowmb();
 	__arch_putw(val, addr);
 
 }
 
-static inline void writel(unsigned int val, unsigned int *addr)
+static inline void writel(u32 val, volatile void __iomem *addr)
 {
 	__iowmb();
 	__arch_putl(val, addr);
 }
 
-static inline unsigned char readb(unsigned char *addr)
+static inline u8 readb(const volatile void __iomem *addr)
 {
 	u8	val;
 
@@ -132,7 +132,7 @@ static inline unsigned char readb(unsigned char *addr)
 	return val;
 }
 
-static inline unsigned short readw(unsigned short *addr)
+static inline u16 readw(const volatile void __iomem *addr)
 {
 	u16	val;
 
@@ -141,7 +141,7 @@ static inline unsigned short readw(unsigned short *addr)
 	return val;
 }
 
-static inline unsigned int readl(unsigned int *addr)
+static inline u32 readl(const volatile void __iomem *addr)
 {
 	u32	val;
 
-- 
1.7.9.5