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[PATCH 05/12] MIPS: Remove emma2rh_sync on read operation

To: linux-mips@linux-mips.org
Subject: [PATCH 05/12] MIPS: Remove emma2rh_sync on read operation
From: Shinya Kuribayashi <skuribay@ruby.dti.ne.jp>
Date: Fri, 24 Oct 2008 01:30:48 +0900
Cc: shinya.kuribayashi@necel.com
In-reply-to: <4900A510.3000101@ruby.dti.ne.jp>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <4900A510.3000101@ruby.dti.ne.jp>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Thunderbird 2.0.0.17 (X11/20080925)
It's totally a waste of CPU cycles.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
---
arch/mips/include/asm/emma/emma2rh.h |    3 ---
1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/arch/mips/include/asm/emma/emma2rh.h 
b/arch/mips/include/asm/emma/emma2rh.h
index 458548e..cd84850 100644
--- 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;
}


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