linux-kernel - [PATCH 3/9] ARM: ixp4xx: Properly override I/O accessors

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Date:	Mon,  6 Oct 2014 15:52:35 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
	Fengguang Wu <fengguang.wu@...el.com>
Cc:	Russell King <linux@....linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Sam Ravnborg <sam@...nborg.org>,
	linux-arm-kernel@...ts.infradead.org, linux-ia64@...r.kernel.org,
	linux-s390@...r.kernel.org, sparclinux@...r.kernel.org,
	x86@...nel.org, linux-serial@...r.kernel.org,
	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/9] ARM: ixp4xx: Properly override I/O accessors

From: Thierry Reding <treding@...dia.com>

In order to override accessors properly they must be #define'd so that
subsequent generic headers (the one for ARM and finally the architecture
independent one) can properly detect it.

Signed-off-by: Thierry Reding <treding@...dia.com>
---
 arch/arm/mach-ixp4xx/include/mach/io.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h
index 559c69a47731..b47efdad95f4 100644
--- a/arch/arm/mach-ixp4xx/include/mach/io.h
+++ b/arch/arm/mach-ixp4xx/include/mach/io.h
@@ -226,6 +226,7 @@ static inline void __indirect_readsl(const volatile void __iomem *bus_addr,
  * I/O functions.
  */
 
+#define outb outb
 static inline void outb(u8 value, u32 addr)
 {
 	u32 n, byte_enables, data;
@@ -235,12 +236,14 @@ static inline void outb(u8 value, u32 addr)
 	ixp4xx_pci_write(addr, byte_enables | NP_CMD_IOWRITE, data);
 }
 
+#define outsb outsb
 static inline void outsb(u32 io_addr, const u8 *vaddr, u32 count)
 {
 	while (count--)
 		outb(*vaddr++, io_addr);
 }
 
+#define outw outw
 static inline void outw(u16 value, u32 addr)
 {
 	u32 n, byte_enables, data;
@@ -250,23 +253,27 @@ static inline void outw(u16 value, u32 addr)
 	ixp4xx_pci_write(addr, byte_enables | NP_CMD_IOWRITE, data);
 }
 
+#define outsw outsw
 static inline void outsw(u32 io_addr, const u16 *vaddr, u32 count)
 {
 	while (count--)
 		outw(cpu_to_le16(*vaddr++), io_addr);
 }
 
+#define outl outl
 static inline void outl(u32 value, u32 addr)
 {
 	ixp4xx_pci_write(addr, NP_CMD_IOWRITE, value);
 }
 
+#define outsl outsl
 static inline void outsl(u32 io_addr, const u32 *vaddr, u32 count)
 {
 	while (count--)
 		outl(cpu_to_le32(*vaddr++), io_addr);
 }
 
+#define inb inb
 static inline u8 inb(u32 addr)
 {
 	u32 n, byte_enables, data;
@@ -278,12 +285,14 @@ static inline u8 inb(u32 addr)
 	return data >> (8*n);
 }
 
+#define insb insb
 static inline void insb(u32 io_addr, u8 *vaddr, u32 count)
 {
 	while (count--)
 		*vaddr++ = inb(io_addr);
 }
 
+#define inw inw
 static inline u16 inw(u32 addr)
 {
 	u32 n, byte_enables, data;
@@ -295,12 +304,14 @@ static inline u16 inw(u32 addr)
 	return data>>(8*n);
 }
 
+#define insw insw
 static inline void insw(u32 io_addr, u16 *vaddr, u32 count)
 {
 	while (count--)
 		*vaddr++ = le16_to_cpu(inw(io_addr));
 }
 
+#define inl inl
 static inline u32 inl(u32 addr)
 {
 	u32 data;
@@ -310,6 +321,7 @@ static inline u32 inl(u32 addr)
 	return data;
 }
 
+#define insl insl
 static inline void insl(u32 io_addr, u32 *vaddr, u32 count)
 {
 	while (count--)
-- 
2.1.0

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