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Message-Id: <1295651224-29823-15-git-send-email-torbenh@gmx.de>
Date:	Sat, 22 Jan 2011 00:07:00 +0100
From:	Torben Hohn <torbenh@....de>
To:	linux-kernel@...r.kernel.org
Cc:	tglx@...utronix.de, johnstul@...ibm.com, hch@...radead.org,
	yong.zhang0@...il.com, Torben Hohn <torbenh@....de>
Subject: [PATCH 14/18] mn10300: switch do_timer() to xtimer_update()

xtimer_update() properly takes the xtime_lock.
mn10300_last_tsc is only accessed from this function.

Signed-off-by: Torben Hohn <torbenh@....de>
---
 arch/mn10300/kernel/time.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/arch/mn10300/kernel/time.c b/arch/mn10300/kernel/time.c
index 75da468..5b95500 100644
--- a/arch/mn10300/kernel/time.c
+++ b/arch/mn10300/kernel/time.c
@@ -104,8 +104,6 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 	unsigned tsc, elapse;
 	irqreturn_t ret;
 
-	write_seqlock(&xtime_lock);
-
 	while (tsc = get_cycles(),
 	       elapse = tsc - mn10300_last_tsc, /* time elapsed since last
 						 * tick */
@@ -114,11 +112,9 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 		mn10300_last_tsc += MN10300_TSC_PER_HZ;
 
 		/* advance the kernel's time tracking system */
-		do_timer(1);
+		xtime_update(1);
 	}
 
-	write_sequnlock(&xtime_lock);
-
 	ret = local_timer_interrupt();
 #ifdef CONFIG_SMP
 	send_IPI_allbutself(LOCAL_TIMER_IPI);
-- 
1.7.2.3

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