linux-kernel - [PATCH 18/18] asm-generic: io: define relaxed accessor macros unconditionally

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Date:	Thu, 17 Apr 2014 14:44:21 +0100
From:	Will Deacon <will.deacon@....com>
To:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	arnd@...db.de, monstr@...str.eu, dhowells@...hat.com,
	broonie@...aro.org, benh@...nel.crashing.org, peterz@...radead.org,
	paulmck@...ux.vnet.ibm.com, Will Deacon <will.deacon@....com>
Subject: [PATCH 18/18] asm-generic: io: define relaxed accessor macros unconditionally

Now that no architectures using asm-generic/io.h define their own relaxed
accessors, the dummy definitions can be used unconditionally.

Cc: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Will Deacon <will.deacon@....com>
---
 include/asm-generic/io.h | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 6a93889aeb0d..ad80cab2a758 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -53,23 +53,17 @@ static inline u32 __raw_readl(const volatile void __iomem *addr)
 #endif
 
 #define readb		__raw_readb
-#ifndef readb_relaxed
 #define readb_relaxed	readb
-#endif
 
 #define readw		readw
-#ifndef readw_relaxed
 #define readw_relaxed	readw
-#endif
 static inline u16 readw(const volatile void __iomem *addr)
 {
 	return __le16_to_cpu(__raw_readw(addr));
 }
 
 #define readl		readl
-#ifndef readl_relaxed
 #define readl_relaxed	readl
-#endif
 static inline u32 readl(const volatile void __iomem *addr)
 {
 	return __le32_to_cpu(__raw_readl(addr));
@@ -100,17 +94,9 @@ static inline void __raw_writel(u32 b, volatile void __iomem *addr)
 #define writew(b,addr)	__raw_writew(__cpu_to_le16(b),addr)
 #define writel(b,addr)	__raw_writel(__cpu_to_le32(b),addr)
 
-#ifndef writeb_relaxed
 #define writeb_relaxed	writeb
-#endif
-
-#ifndef writew_relaxed
 #define writew_relaxed	writew
-#endif
-
-#ifndef writel_relaxed
 #define writel_relaxed	writel
-#endif
 
 #ifdef CONFIG_64BIT
 #ifndef __raw_readq
@@ -121,9 +107,7 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
 #endif
 
 #define readq		readq
-#ifndef readq_relaxed
 #define readq_relaxed	readq
-#endif
 static inline u64 readq(const volatile void __iomem *addr)
 {
 	return __le64_to_cpu(__raw_readq(addr));
@@ -137,9 +121,7 @@ static inline void __raw_writeq(u64 b, volatile void __iomem *addr)
 #endif
 
 #define writeq(b, addr) __raw_writeq(__cpu_to_le64(b), addr)
-#ifndef writeq_relaxed
 #define writeq_relaxed	writeq
-#endif
 #endif /* CONFIG_64BIT */
 
 #ifndef PCI_IOBASE
-- 
1.9.1

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