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alpha: add io{read,write}{16,32}be functions

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commit 25534eb770 upstream.

These functions are used in some PCI drivers with big-endian
MMIO space.

Admittedly it is almost certain that no one this side of the
Moon would use such a card in an Alpha but it does get us
closer to being able to build allyesconfig or allmodconfig,
and it enables the Debian default generic config to build.

Tested-by: Raúl Porcel <armin76@gentoo.org>
Signed-off-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Zefan Li <lizefan@huawei.com>
This commit is contained in:
Michael Cree 2011-11-30 08:01:40 -05:00 committed by Zefan Li
parent 3a8f61352a
commit 618dea44ab
1 changed files with 5 additions and 0 deletions
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5
arch/alpha/include/asm/io.h
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@ -489,6 +489,11 @@ extern inline void writeq(u64 b, volatile void __iomem *addr)
}
#endif
#define ioread16be(p) be16_to_cpu(ioread16(p))
#define ioread32be(p) be32_to_cpu(ioread32(p))
#define iowrite16be(v,p) iowrite16(cpu_to_be16(v), (p))
#define iowrite32be(v,p) iowrite32(cpu_to_be32(v), (p))
#define inb_p inb
#define inw_p inw
#define inl_p inl