diff options
| author | Stephen Boyd <sboyd@codeaurora.org> | 2013-06-02 10:39:40 +0400 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2013-06-13 01:02:13 +0400 |
| commit | 38ff87f77af0b5a93fc8581cff1d6e5692ab8970 (patch) | |
| tree | 7a157528657400d0486cd4e74da98bad40992c3c /include/linux/sched_clock.h | |
| parent | ffbfb5e316f0db486798ccf1db36a577ffe79637 (diff) | |
| download | linux-38ff87f77af0b5a93fc8581cff1d6e5692ab8970.tar.xz | |
sched_clock: Make ARM's sched_clock generic for all architectures
Nothing about the sched_clock implementation in the ARM port is
specific to the architecture. Generalize the code so that other
architectures can use it by selecting GENERIC_SCHED_CLOCK.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
[jstultz: Merge minor collisions with other patches in my tree]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'include/linux/sched_clock.h')
| -rw-r--r-- | include/linux/sched_clock.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/sched_clock.h b/include/linux/sched_clock.h new file mode 100644 index 000000000000..fa7922c80a41 --- /dev/null +++ b/include/linux/sched_clock.h @@ -0,0 +1,21 @@ +/* + * sched_clock.h: support for extending counters to full 64-bit ns counter + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef LINUX_SCHED_CLOCK +#define LINUX_SCHED_CLOCK + +#ifdef CONFIG_GENERIC_SCHED_CLOCK +extern void sched_clock_postinit(void); +#else +static inline void sched_clock_postinit(void) { } +#endif + +extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate); + +extern unsigned long long (*sched_clock_func)(void); + +#endif |