Commit 3618886f authored Aug 31, 2005 by Ben Dooks Committed by Russell King Aug 31, 2005

[ARM] 2857/2: Dynamic tick - fix OOPS if configured and not provided



Patch from Ben Dooks

timer_dyn_reprogram() fails with an OOPS if the
configuration for CONFIG_NO_IDLE_HZ is enabled, and
the system has no support for it.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent 083bc6b3

arch/arm/kernel/time.c

+6 −4

Original line number	Diff line number	Diff line
		@@ -433,11 +433,13 @@ void timer_dyn_reprogram(void)
		{
		struct dyn_tick_timer *dyn_tick = system_timer->dyn_tick;

		if (dyn_tick) {
		write_seqlock(&xtime_lock);
		if (dyn_tick->state & DYN_TICK_ENABLED)
		dyn_tick->reprogram(next_timer_interrupt() - jiffies);
		write_sequnlock(&xtime_lock);
		}
		}

		static ssize_t timer_show_dyn_tick(struct sys_device dev, char buf)
		{