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Commit efb2d31c authored by Mike Frysinger's avatar Mike Frysinger
Browse files

asm-generic/io.h: add reads[bwl]/writes[bwl] helpers 



A bunch of arches define reads[bwl]/writes[bwl] helpers for accessing
memory mapped registers.  Since the Blackfin ones aren't specific to
Blackfin code, move them to the common asm-generic/io.h for people.

Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 21aa8ec3

arch/blackfin/include/asm/io.h

+0 −30
Original line number Original line Diff line number Diff line
@@ -158,36 +158,6 @@ extern void dma_insb(unsigned long port, void *addr, unsigned short count); 
extern void dma_insw(unsigned long port, void *addr, unsigned short count);

extern void dma_insw(unsigned long port, void *addr, unsigned short count);

extern void dma_insl(unsigned long port, void *addr, unsigned short count);

extern void dma_insl(unsigned long port, void *addr, unsigned short count);





static inline void readsl(const void __iomem *addr, void *buf, int len)

{

	insl((unsigned long)addr, buf, len);

}



static inline void readsw(const void __iomem *addr, void *buf, int len)

{

	insw((unsigned long)addr, buf, len);

}



static inline void readsb(const void __iomem *addr, void *buf, int len)

{

	insb((unsigned long)addr, buf, len);

}



static inline void writesl(const void __iomem *addr, const void *buf, int len)

{

	outsl((unsigned long)addr, buf, len);

}



static inline void writesw(const void __iomem *addr, const void *buf, int len)

{

	outsw((unsigned long)addr, buf, len);

}



static inline void writesb(const void __iomem *addr, const void *buf, int len)

{

	outsb((unsigned long)addr, buf, len);

}



/*

/*

 * Map some physical address range into the kernel address space.

 * Map some physical address range into the kernel address space.

 */

 */

include/asm-generic/io.h

+30 −0
Original line number Original line Diff line number Diff line
@@ -211,6 +211,36 @@ static inline void outsl(unsigned long addr, const void *buffer, int count) 
}

}

#endif

#endif





static inline void readsl(const void __iomem *addr, void *buf, int len)

{

	insl((unsigned long)addr, buf, len);

}



static inline void readsw(const void __iomem *addr, void *buf, int len)

{

	insw((unsigned long)addr, buf, len);

}



static inline void readsb(const void __iomem *addr, void *buf, int len)

{

	insb((unsigned long)addr, buf, len);

}



static inline void writesl(const void __iomem *addr, const void *buf, int len)

{

	outsl((unsigned long)addr, buf, len);

}



static inline void writesw(const void __iomem *addr, const void *buf, int len)

{

	outsw((unsigned long)addr, buf, len);

}



static inline void writesb(const void __iomem *addr, const void *buf, int len)

{

	outsb((unsigned long)addr, buf, len);

}



#ifndef CONFIG_GENERIC_IOMAP

#ifndef CONFIG_GENERIC_IOMAP

#define ioread8(addr)		readb(addr)

#define ioread8(addr)		readb(addr)

#define ioread16(addr)		readw(addr)

#define ioread16(addr)		readw(addr)