diff options
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/generic.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/time.c | 8 |
2 files changed, 7 insertions, 5 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index 6ae605857ca..9de1278d234 100644 --- a/arch/arm/mach-pxa/generic.c +++ b/arch/arm/mach-pxa/generic.c @@ -76,7 +76,9 @@ unsigned long long sched_clock(void) /* * 96-bit math to perform tick * NSEC_PER_SEC / CLOCK_TICK_RATE for * any value of CLOCK_TICK_RATE. Max value is in the 80 thousand - * years range which is nice, but with higher computation cost. + * years range and truncation to unsigned long long limits it to + * sched_clock's max range of ~584 years. This is nice but with + * higher computation cost. */ { union { diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c index 3775b8f3842..ee2beb40041 100644 --- a/arch/arm/mach-pxa/time.c +++ b/arch/arm/mach-pxa/time.c @@ -101,7 +101,7 @@ static struct irqaction pxa_timer_irq = { .handler = pxa_timer_interrupt, }; -cycle_t pxa_get_cycles(void) +static cycle_t pxa_get_cycles(void) { return OSCR; } @@ -134,13 +134,13 @@ static void __init pxa_timer_init(void) OSMR0 = OSCR + LATCH; /* set initial match */ local_irq_restore(flags); - /* on PXA OSCR runs continiously and is not written to, so we can use it - * as clock source directly. + /* + * OSCR runs continuously on PXA and is not written to, + * so we can use it as clock source directly. */ clocksource_pxa.mult = clocksource_hz2mult(CLOCK_TICK_RATE, clocksource_pxa.shift); clocksource_register(&clocksource_pxa); - } #ifdef CONFIG_NO_IDLE_HZ |