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Commit d54fc90c authored by Horia Geantă's avatar Horia Geantă Committed by Herbert Xu
Browse files

powerpc: add io{read,write}64 accessors 



This will allow device drivers to consistently use io{read,write}XX
also for 64-bit accesses.

Acked-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Signed-off-by: default avatarHoria Geantă <horia.geanta@nxp.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 2a41bfbc

arch/powerpc/kernel/iomap.c

+24 −0
Original line number Diff line number Diff line
@@ -38,6 +38,18 @@ EXPORT_SYMBOL(ioread16); 
EXPORT_SYMBOL(ioread16be);

EXPORT_SYMBOL(ioread32);

EXPORT_SYMBOL(ioread32be);

#ifdef __powerpc64__

u64 ioread64(void __iomem *addr)

{

	return readq(addr);

}

u64 ioread64be(void __iomem *addr)

{

	return readq_be(addr);

}

EXPORT_SYMBOL(ioread64);

EXPORT_SYMBOL(ioread64be);

#endif /* __powerpc64__ */



void iowrite8(u8 val, void __iomem *addr)

{
@@ -64,6 +76,18 @@ EXPORT_SYMBOL(iowrite16); 
EXPORT_SYMBOL(iowrite16be);

EXPORT_SYMBOL(iowrite32);

EXPORT_SYMBOL(iowrite32be);

#ifdef __powerpc64__

void iowrite64(u64 val, void __iomem *addr)

{

	writeq(val, addr);

}

void iowrite64be(u64 val, void __iomem *addr)

{

	writeq_be(val, addr);

}

EXPORT_SYMBOL(iowrite64);

EXPORT_SYMBOL(iowrite64be);

#endif /* __powerpc64__ */



/*

 * These are the "repeat read/write" functions. Note the