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From: tip-bot for John Stultz on 27 Jul 2010 06:50
Commit-ID: 9f31f5774961a735687fee17953ab505b3df3abf
Gitweb: http://git.kernel.org/tip/9f31f5774961a735687fee17953ab505b3df3abf
Author: John Stultz <johnstul(a)us.ibm.com>
AuthorDate: Tue, 13 Jul 2010 17:56:24 -0700
Committer: Thomas Gleixner <tglx(a)linutronix.de>
CommitDate: Tue, 27 Jul 2010 12:40:55 +0200

um: Convert to use read_persistent_clock

This patch converts the um arch to use read_persistent_clock().
This allows it to avoid accessing xtime and wall_to_monotonic
directly.

Signed-off-by: John Stultz <johnstul(a)us.ibm.com>
Cc: Jeff Dike <jdike(a)addtoit.com>
LKML-Reference: <1279068988-21864-8-git-send-email-johnstul(a)us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx(a)linutronix.de>
---
arch/um/kernel/time.c | 13 +++++++------
1 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index c8b9c46..2b8b262 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -102,16 +102,17 @@ static void __init setup_itimer(void)
clockevents_register_device(&itimer_clockevent);
}

+void read_persistent_clock(struct timespec *ts)
+{
+ nsecs = os_nsecs();
+ set_normalized_timespec(ts, nsecs / NSEC_PER_SEC,
+ nsecs % NSEC_PER_SEC);
+}
+
void __init time_init(void)
{
long long nsecs;

timer_init();
-
- nsecs = os_nsecs();
- set_normalized_timespec(&wall_to_monotonic, -nsecs / NSEC_PER_SEC,
- -nsecs % NSEC_PER_SEC);
- set_normalized_timespec(&xtime, nsecs / NSEC_PER_SEC,
- nsecs % NSEC_PER_SEC);
late_time_init = setup_itimer;
}
--
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Prev: [tip:timers/clocksource] timekeeping: Make xtime and wall_to_monotonic static
Next: [tip:timers/clocksource] timkeeping: Fix update_vsyscall to provide wall_to_monotonic offset