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Merge branch 'devel-stable' into devel

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Conflicts:
	arch/arm/mach-pxa/clock.c
	arch/arm/mach-pxa/clock.h
This commit is contained in:
Russell King
2011-01-06 22:33:32 +00:00
parent 28cdac6690 1051b9f0f9
commit 404a02cbd2
413 changed files with 23376 additions and 6825 deletions
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24
arch/arm/mach-davinci/time.c
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@ -272,13 +272,34 @@ static cycle_t read_cycles(struct clocksource *cs)
return (cycles_t)timer32_read(t);
}
/*
* Kernel assumes that sched_clock can be called early but may not have
* things ready yet.
*/
static cycle_t read_dummy(struct clocksource *cs)
{
return 0;
}
static struct clocksource clocksource_davinci = {
.rating = 300,
.read = read_cycles,
.read = read_dummy,
.mask = CLOCKSOURCE_MASK(32),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
/*
* Overwrite weak default sched_clock with something more precise
*/
unsigned long long notrace sched_clock(void)
{
const cycle_t cyc = clocksource_davinci.read(&clocksource_davinci);
return clocksource_cyc2ns(cyc, clocksource_davinci.mult,
clocksource_davinci.shift);
}
/*
* clockevent
*/
@ -376,6 +397,7 @@ static void __init davinci_timer_init(void)
davinci_clock_tick_rate = clk_get_rate(timer_clk);
/* setup clocksource */
clocksource_davinci.read = read_cycles;
clocksource_davinci.name = id_to_name[clocksource_id];
if (clocksource_register_hz(&clocksource_davinci,
davinci_clock_tick_rate))