diff options
Diffstat (limited to 'arch/arm/mach-u300/timer.c')
-rw-r--r-- | arch/arm/mach-u300/timer.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c index 3ec58bd2d6e..891cf44591e 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 = { | |||
333 | .handler = u300_timer_interrupt, | 333 | .handler = u300_timer_interrupt, |
334 | }; | 334 | }; |
335 | 335 | ||
336 | /* Use general purpose timer 2 as clock source */ | ||
337 | static cycle_t u300_get_cycles(struct clocksource *cs) | ||
338 | { | ||
339 | return (cycles_t) readl(U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2CC); | ||
340 | } | ||
341 | |||
342 | static struct clocksource clocksource_u300_1mhz = { | ||
343 | .name = "GPT2", | ||
344 | .rating = 300, /* Reasonably fast and accurate clock source */ | ||
345 | .read = u300_get_cycles, | ||
346 | .mask = CLOCKSOURCE_MASK(32), /* 32 bits */ | ||
347 | .flags = CLOCK_SOURCE_IS_CONTINUOUS, | ||
348 | }; | ||
349 | |||
350 | /* | 336 | /* |
351 | * Override the global weak sched_clock symbol with this | 337 | * Override the global weak sched_clock symbol with this |
352 | * local implementation which uses the clocksource to get some | 338 | * local implementation which uses the clocksource to get some |
@@ -422,7 +408,9 @@ static void __init u300_timer_init(void) | |||
422 | writel(U300_TIMER_APP_EGPT2_TIMER_ENABLE, | 408 | writel(U300_TIMER_APP_EGPT2_TIMER_ENABLE, |
423 | U300_TIMER_APP_VBASE + U300_TIMER_APP_EGPT2); | 409 | U300_TIMER_APP_VBASE + U300_TIMER_APP_EGPT2); |
424 | 410 | ||
425 | if (clocksource_register_hz(&clocksource_u300_1mhz, rate)) | 411 | /* Use general purpose timer 2 as clock source */ |
412 | if (clocksource_mmio_init(U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2CC, | ||
413 | "GPT2", rate, 300, 32, clocksource_mmio_readl_up)) | ||
426 | printk(KERN_ERR "timer: failed to initialize clock " | 414 | printk(KERN_ERR "timer: failed to initialize clock " |
427 | "source %s\n", clocksource_u300_1mhz.name); | 415 | "source %s\n", clocksource_u300_1mhz.name); |
428 | 416 | ||