MIPS: EMMA2RH: Remove emma2rh_sync on read operation

It's totally a waste of CPU cycles.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/include/asm/emma/emma2rh.h b/arch/mips/include/asm/emma/emma2rh.h
index a41f84e..30aea91 100644 (file)
--- a/arch/mips/include/asm/emma/emma2rh.h
+++ b/arch/mips/include/asm/emma/emma2rh.h
@@ -206,7 +206,6 @@ static inline void emma2rh_out32(u32 offset, u32 val)
 static inline u32 emma2rh_in32(u32 offset)
 {
        u32 val = *(volatile u32 *)(EMMA2RH_BASE | offset);
-       emma2rh_sync();
        return val;
 }
 
@@ -219,7 +218,6 @@ static inline void emma2rh_out16(u32 offset, u16 val)
 static inline u16 emma2rh_in16(u32 offset)
 {
        u16 val = *(volatile u16 *)(EMMA2RH_BASE | offset);
-       emma2rh_sync();
        return val;
 }
 
@@ -232,7 +230,6 @@ static inline void emma2rh_out8(u32 offset, u8 val)
 static inline u8 emma2rh_in8(u32 offset)
 {
        u8 val = *(volatile u8 *)(EMMA2RH_BASE | offset);
-       emma2rh_sync();
        return val;
 }