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sched_clock: Make ARM's sched_clock generic for all architectures

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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>
This commit is contained in:
Stephen Boyd 2013-06-01 23:39:40 -07:00 • committed by John Stultz
parent ffbfb5e316
commit 38ff87f77a
36 changed files with 45 additions and 38 deletions
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21
include/linux/sched_clock.h Normal file
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@ -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