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author | Arnd Bergmann <arnd@arndb.de> | 2012-03-19 20:46:32 +0000 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2012-03-20 09:41:43 +0000 |
commit | b2f1df8d2fc14bf7e6d9d967043d4b60c2efd8dc (patch) | |
tree | 065282434bde6ef9b4357c042705c5fcef3782ea /include/asm-generic/io-64-nonatomic-hi-lo.h | |
parent | c0206e228e34d8b414fcc63db45b831843adea06 (diff) | |
parent | 5cd9eb2736a572a9ef2689829f47ffd4262adc00 (diff) | |
download | talos-op-linux-b2f1df8d2fc14bf7e6d9d967043d4b60c2efd8dc.tar.gz talos-op-linux-b2f1df8d2fc14bf7e6d9d967043d4b60c2efd8dc.zip |
Merge branch 'renesas/timer' into next/timer
Conflicts:
arch/arm/mach-shmobile/timer.c
This resolves a nonobvious merge conflict between renesas
timer changes in the global timer changes with those
from the renesas soc branch and last minute bug fixes that
went into v3.3.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'include/asm-generic/io-64-nonatomic-hi-lo.h')
-rw-r--r-- | include/asm-generic/io-64-nonatomic-hi-lo.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/asm-generic/io-64-nonatomic-hi-lo.h b/include/asm-generic/io-64-nonatomic-hi-lo.h new file mode 100644 index 000000000000..a6806a94250d --- /dev/null +++ b/include/asm-generic/io-64-nonatomic-hi-lo.h @@ -0,0 +1,28 @@ +#ifndef _ASM_IO_64_NONATOMIC_HI_LO_H_ +#define _ASM_IO_64_NONATOMIC_HI_LO_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; + + high = readl(p + 1); + low = readl(p); + + return low + ((u64)high << 32); +} +#endif + +#ifndef writeq +static inline void writeq(__u64 val, volatile void __iomem *addr) +{ + writel(val >> 32, addr + 4); + writel(val, addr); +} +#endif + +#endif /* _ASM_IO_64_NONATOMIC_HI_LO_H_ */ |