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authorXunlei Pang <pang.xunlei@linaro.org>2015-04-02 06:34:26 +0300
committerIngo Molnar <mingo@kernel.org>2015-04-03 09:18:23 +0300
commitcb850717b076d979058d52529e15f1736359d811 (patch)
treea2780af9ecf4a770aacf4c72b3efa268536c02a3 /arch/arm/plat-omap
parenta0c2998f918e7e597d3c686c5f3d5a30d0382dd6 (diff)
downloadlinux-cb850717b076d979058d52529e15f1736359d811.tar.xz
ARM, clocksource/drivers: Provide read_boot_clock64() and read_persistent_clock64() and use them
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>
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r--arch/arm/plat-omap/counter_32k.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
index b7b7b0793228..2438b96004c1 100644
--- a/arch/arm/plat-omap/counter_32k.c
+++ b/arch/arm/plat-omap/counter_32k.c
@@ -70,14 +70,6 @@ static void omap_read_persistent_clock64(struct timespec64 *ts)
*ts = persistent_ts;
}
-static void omap_read_persistent_clock(struct timespec *ts)
-{
- struct timespec64 ts64;
-
- omap_read_persistent_clock64(&ts64);
- *ts = timespec64_to_timespec(ts64);
-}
-
/**
* omap_init_clocksource_32k - setup and register counter 32k as a
* kernel clocksource
@@ -118,7 +110,7 @@ int __init omap_init_clocksource_32k(void __iomem *vbase)
}
sched_clock_register(omap_32k_read_sched_clock, 32, 32768);
- register_persistent_clock(NULL, omap_read_persistent_clock);
+ register_persistent_clock(NULL, omap_read_persistent_clock64);
pr_info("OMAP clocksource: 32k_counter at 32768 Hz\n");
return 0;