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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2011-07-27 00:54:47 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-07-27 00:54:47 -0700
commitaa7eb8e78d8ecd6cd0475d86ea8385ff9cb47ece (patch)
tree3f9e98fadd5124fb05e8f6f9b06aa23698d4f215 /arch/arm/mach-u300/timer.c
parentcca8edfd2ec2a34d9f50f593bc753bb11e1bc1f5 (diff)
parent3c6b50141ef9f0a8844bf1357b80c0cdf518bf05 (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'arch/arm/mach-u300/timer.c')
-rw-r--r--arch/arm/mach-u300/timer.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c
index 3ec58bd2d6e..18d7fa0603c 100644
--- a/arch/arm/mach-u300/timer.c
+++ b/arch/arm/mach-u300/timer.c
@@ -333,20 +333,6 @@ static struct irqaction u300_timer_irq = {
.handler = u300_timer_interrupt,
};
-/* Use general purpose timer 2 as clock source */
-static cycle_t u300_get_cycles(struct clocksource *cs)
-{
- return (cycles_t) readl(U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2CC);
-}
-
-static struct clocksource clocksource_u300_1mhz = {
- .name = "GPT2",
- .rating = 300, /* Reasonably fast and accurate clock source */
- .read = u300_get_cycles,
- .mask = CLOCKSOURCE_MASK(32), /* 32 bits */
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
/*
* Override the global weak sched_clock symbol with this
* local implementation which uses the clocksource to get some
@@ -422,9 +408,10 @@ static void __init u300_timer_init(void)
writel(U300_TIMER_APP_EGPT2_TIMER_ENABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_EGPT2);
- if (clocksource_register_hz(&clocksource_u300_1mhz, rate))
- printk(KERN_ERR "timer: failed to initialize clock "
- "source %s\n", clocksource_u300_1mhz.name);
+ /* Use general purpose timer 2 as clock source */
+ if (clocksource_mmio_init(U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2CC,
+ "GPT2", rate, 300, 32, clocksource_mmio_readl_up))
+ pr_err("timer: failed to initialize U300 clock source\n");
clockevents_calc_mult_shift(&clockevent_u300_1mhz,
rate, APPTIMER_MIN_RANGE);