diff options
Diffstat (limited to 'arch/mips/kernel/i8253.c')
| -rw-r--r-- | arch/mips/kernel/i8253.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c index 5d9830df359..c2d497ceffd 100644 --- a/arch/mips/kernel/i8253.c +++ b/arch/mips/kernel/i8253.c @@ -12,8 +12,9 @@ #include <asm/delay.h> #include <asm/i8253.h> #include <asm/io.h> +#include <asm/time.h> -static DEFINE_SPINLOCK(i8253_lock); +DEFINE_SPINLOCK(i8253_lock); /* * Initialize the PIT timer. @@ -87,11 +88,10 @@ struct clock_event_device pit_clockevent = { .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, .set_mode = init_pit_timer, .set_next_event = pit_next_event, - .shift = 32, .irq = 0, }; -irqreturn_t timer_interrupt(int irq, void *dev_id) +static irqreturn_t timer_interrupt(int irq, void *dev_id) { pit_clockevent.event_handler(&pit_clockevent); @@ -111,19 +111,20 @@ static struct irqaction irq0 = { */ void __init setup_pit_timer(void) { + struct clock_event_device *cd = &pit_clockevent; + unsigned int cpu = smp_processor_id(); + /* * Start pit with the boot cpu mask and make it global after the * IO_APIC has been initialized. */ - pit_clockevent.cpumask = cpumask_of_cpu(0); - pit_clockevent.mult = div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC, 32); - pit_clockevent.max_delta_ns = - clockevent_delta2ns(0x7FFF, &pit_clockevent); - pit_clockevent.min_delta_ns = - clockevent_delta2ns(0xF, &pit_clockevent); - clockevents_register_device(&pit_clockevent); - - irq0.mask = cpumask_of_cpu(0); + cd->cpumask = cpumask_of_cpu(cpu); + clockevent_set_clock(cd, CLOCK_TICK_RATE); + cd->max_delta_ns = clockevent_delta2ns(0x7FFF, cd); + cd->min_delta_ns = clockevent_delta2ns(0xF, cd); + clockevents_register_device(cd); + + irq0.mask = cpumask_of_cpu(cpu); setup_irq(0, &irq0); } |