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xtensa: Switch do_timer() to xtime_update()

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xtime_update() takes the xtime_lock itself.

set_linux_timer() does not need to be protected by xtime_lock.

[ tglx: This code is broken on SMP anyway. ]

Signed-off-by: Torben Hohn <torbenh@gmx.de>
Cc: Chris Zankel <chris@zankel.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: johnstul@us.ibm.com
Cc: hch@infradead.org
Cc: yong.zhang0@gmail.com
LKML-Reference: <20110127150027.23248.61798.stgit@localhost>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Torben Hohn 2011-01-27 16:00:27 +01:00 committed by Thomas Gleixner
parent 4ea1b72551
commit d12b0e24c5
1 changed files with 1 additions and 5 deletions
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6
arch/xtensa/kernel/time.c
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@ -96,16 +96,12 @@ again:
update_process_times(user_mode(get_irq_regs()));
#endif
write_seqlock(&xtime_lock);
do_timer(1); /* Linux handler in kernel/timer.c */
xtime_update(1); /* Linux handler in kernel/time/timekeeping */
/* Note that writing CCOMPARE clears the interrupt. */
next += CCOUNT_PER_JIFFY;
set_linux_timer(next);
write_sequnlock(&xtime_lock);
}
/* Allow platform to do something useful (Wdog). */