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Commit 87fe2d54 authored by Sinan Kaya's avatar Sinan Kaya Committed by Arnd Bergmann
Browse files

io: change inX() to have their own IO barrier overrides 



Open code readX() inside inX() so that inX() variants have their own
overrideable Port IO barrier combinations as __io_pbr() and __io_par() for
actions to be taken before port IO and after port IO read.

Signed-off-by: default avatarSinan Kaya <okaya@codeaurora.org>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent a7851aa5

include/asm-generic/io.h

+18 −3
Original line number Original line Diff line number Diff line
@@ -433,7 +433,12 @@ static inline void writesq(volatile void __iomem *addr, const void *buffer, 
#define inb inb

#define inb inb

static inline u8 inb(unsigned long addr)

static inline u8 inb(unsigned long addr)

{

{

	return readb(PCI_IOBASE + addr);

	u8 val;



	__io_pbr();

	val = __raw_readb(PCI_IOBASE + addr);

	__io_par();

	return val;

}

}

#endif

#endif
@@ -441,7 +446,12 @@ static inline u8 inb(unsigned long addr) 
#define inw inw

#define inw inw

static inline u16 inw(unsigned long addr)

static inline u16 inw(unsigned long addr)

{

{

	return readw(PCI_IOBASE + addr);

	u16 val;



	__io_pbr();

	val = __le16_to_cpu(__raw_readw(PCI_IOBASE + addr));

	__io_par();

	return val;

}

}

#endif

#endif
@@ -449,7 +459,12 @@ static inline u16 inw(unsigned long addr) 
#define inl inl

#define inl inl

static inline u32 inl(unsigned long addr)

static inline u32 inl(unsigned long addr)

{

{

	return readl(PCI_IOBASE + addr);

	u32 val;



	__io_pbr();

	val = __le32_to_cpu(__raw_readl(PCI_IOBASE + addr));

	__io_par();

	return val;

}

}

#endif

#endif