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Commit 2eec0e08 authored by Cedric Le Goater's avatar Cedric Le Goater Committed by Linus Torvalds
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[PATCH] s390: add __raw_writeq required by __iowrite64_copy 



It also adds all the related quad routines.

Signed-off-by: default avatarCedric Le Goater <clg@fr.ibm.com>
Acked-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 6b41fd17

include/asm-s390/io.h

+5 −0
Original line number Diff line number Diff line
@@ -86,20 +86,25 @@ extern void iounmap(void *addr); 
#define readb(addr) (*(volatile unsigned char *) __io_virt(addr))

#define readw(addr) (*(volatile unsigned short *) __io_virt(addr))

#define readl(addr) (*(volatile unsigned int *) __io_virt(addr))

#define readq(addr) (*(volatile unsigned long long *) __io_virt(addr))



#define readb_relaxed(addr) readb(addr)

#define readw_relaxed(addr) readw(addr)

#define readl_relaxed(addr) readl(addr)

#define readq_relaxed(addr) readq(addr)

#define __raw_readb readb

#define __raw_readw readw

#define __raw_readl readl

#define __raw_readq readq



#define writeb(b,addr) (*(volatile unsigned char *) __io_virt(addr) = (b))

#define writew(b,addr) (*(volatile unsigned short *) __io_virt(addr) = (b))

#define writel(b,addr) (*(volatile unsigned int *) __io_virt(addr) = (b))

#define writeq(b,addr) (*(volatile unsigned long long *) __io_virt(addr) = (b))

#define __raw_writeb writeb

#define __raw_writew writew

#define __raw_writel writel

#define __raw_writeq writeq



#define memset_io(a,b,c)        memset(__io_virt(a),(b),(c))

#define memcpy_fromio(a,b,c)    memcpy((a),__io_virt(b),(c))