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Diffstat (limited to 'arch/arm/mach-pxa/time.c')
| -rw-r--r-- | arch/arm/mach-pxa/time.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c index 72b15e9a373..7dad3f1465e 100644 --- a/arch/arm/mach-pxa/time.c +++ b/arch/arm/mach-pxa/time.c @@ -91,9 +91,10 @@ pxa_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) /* Loop until we get ahead of the free running timer. * This ensures an exact clock tick count and time accuracy. - * IRQs are disabled inside the loop to ensure coherence between - * lost_ticks (updated in do_timer()) and the match reg value, so we - * can use do_gettimeofday() from interrupt handlers. + * Since IRQs are disabled at this point, coherence between + * lost_ticks(updated in do_timer()) and the match reg value is + * ensured, hence we can use do_gettimeofday() from interrupt + * handlers. * * HACK ALERT: it seems that the PXA timer regs aren't updated right * away in all cases when a write occurs. We therefore compare with |