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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-03-09 12:35:53 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-03-09 12:35:53 -0800 |
commit | 263a5c8e16c34199ddf6de3f102e789ffa3ee26e (patch) | |
tree | 4f049e339d522b2ab0ba3bed3ec217e4bbc83d35 /include/asm-generic/io-64-nonatomic-lo-hi.h | |
parent | 54d20f006ceff1f2f1e69d0e54049b6c0765c039 (diff) | |
parent | 192cfd58774b4d17b2fe8bdc77d89c2ef4e0591d (diff) | |
download | blackbird-op-linux-263a5c8e16c34199ddf6de3f102e789ffa3ee26e.tar.gz blackbird-op-linux-263a5c8e16c34199ddf6de3f102e789ffa3ee26e.zip |
Merge 3.3-rc6 into driver-core-next
This was done to resolve a conflict in the drivers/base/cpu.c file.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/asm-generic/io-64-nonatomic-lo-hi.h')
-rw-r--r-- | include/asm-generic/io-64-nonatomic-lo-hi.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/asm-generic/io-64-nonatomic-lo-hi.h b/include/asm-generic/io-64-nonatomic-lo-hi.h new file mode 100644 index 000000000000..ca546b1ff8b5 --- /dev/null +++ b/include/asm-generic/io-64-nonatomic-lo-hi.h @@ -0,0 +1,28 @@ +#ifndef _ASM_IO_64_NONATOMIC_LO_HI_H_ +#define _ASM_IO_64_NONATOMIC_LO_HI_H_ + +#include <linux/io.h> +#include <asm-generic/int-ll64.h> + +#ifndef readq +static inline __u64 readq(const volatile void __iomem *addr) +{ + const volatile u32 __iomem *p = addr; + u32 low, high; + + low = readl(p); + high = readl(p + 1); + + return low + ((u64)high << 32); +} +#endif + +#ifndef writeq +static inline void writeq(__u64 val, volatile void __iomem *addr) +{ + writel(val, addr); + writel(val >> 32, addr + 4); +} +#endif + +#endif /* _ASM_IO_64_NONATOMIC_LO_HI_H_ */ |