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ARM, clocksource/drivers: Provide read_boot_clock64() and read_persistent_clock64() and use them

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As part of addressing "y2038 problem" for in-kernel uses, this
patch converts read_boot_clock() to read_boot_clock64() and
read_persistent_clock() to read_persistent_clock64() using
timespec64 by converting clock_access_fn to use timespec64.

Signed-off-by: Xunlei Pang <pang.xunlei@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com> (for tegra part)
Cc: Russell King <rmk@dyn-67.arm.linux.org.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1427945681-29972-7-git-send-email-john.stultz@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Xunlei Pang
2015-04-01 20:34:26 -07:00
committed by Ingo Molnar
parent a0c2998f91
commit cb850717b0
4 changed files with 6 additions and 23 deletions
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arch/arm/include/asm/mach/time.h
+1 -2
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@@ -12,8 +12,7 @@
extern void timer_tick(void);
struct timespec;
typedef void (*clock_access_fn)(struct timespec *);
typedef void (*clock_access_fn)(struct timespec64 *);
extern int register_persistent_clock(clock_access_fn read_boot,
clock_access_fn read_persistent);