linux-kernel - [PATCH] s390: Cleanup xtime usage in s390 code

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Message-Id: <1267756595-30385-1-git-send-email-johnstul@us.ibm.com>
Date:	Thu,  4 Mar 2010 18:36:35 -0800
From:	John Stultz <johnstul@...ibm.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	John Stultz <johnstul@...ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH] s390: Cleanup xtime usage in s390 code

This replaces direct xtime usage in the s390 arch with timekeeping accessors,
so we can further clean up the timekeeping core.

Uncompiled and untested.

Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: John Stultz <johnstul@...ibm.com>
---
 arch/s390/kernel/time.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index a8f93f1..8b22e7f 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -73,15 +73,15 @@ unsigned long long monotonic_clock(void)
 }
 EXPORT_SYMBOL(monotonic_clock);
 
-void tod_to_timeval(__u64 todval, struct timespec *xtime)
+void tod_to_timeval(__u64 todval, struct timespec *xt)
 {
 	unsigned long long sec;
 
 	sec = todval >> 12;
 	do_div(sec, 1000000);
-	xtime->tv_sec = sec;
+	xt->tv_sec = sec;
 	todval -= (sec * 1000000) << 12;
-	xtime->tv_nsec = ((todval * 1000) >> 12);
+	xt->tv_nsec = ((todval * 1000) >> 12);
 }
 EXPORT_SYMBOL(tod_to_timeval);
 
@@ -216,8 +216,8 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
 	++vdso_data->tb_update_count;
 	smp_wmb();
 	vdso_data->xtime_tod_stamp = clock->cycle_last;
-	vdso_data->xtime_clock_sec = xtime.tv_sec;
-	vdso_data->xtime_clock_nsec = xtime.tv_nsec;
+	vdso_data->xtime_clock_sec = wall_time->tv_sec;
+	vdso_data->xtime_clock_nsec = wall_time->tv_nsec;
 	vdso_data->wtom_clock_sec = wall_to_monotonic.tv_sec;
 	vdso_data->wtom_clock_nsec = wall_to_monotonic.tv_nsec;
 	smp_wmb();
-- 
1.6.0.4

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