diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2007-11-01 15:38:20 +0100 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2007-11-02 17:13:48 +0100 |
commit | dd3db6eb0e47b4480eeea30394d19bd826e64964 (patch) | |
tree | b568e78a08bfc57d2727d6f887235b8abef02f5d /arch | |
parent | [MIPS] Cobalt: Fix IRQ comment; the Cobalt kernel uses CP0 counter now. (diff) | |
download | linux-dd3db6eb0e47b4480eeea30394d19bd826e64964.tar.xz linux-dd3db6eb0e47b4480eeea30394d19bd826e64964.zip |
[MIPS] i8253: Cleanup.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/mips/kernel/i8253.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c index 5d9830df3595..a925abd8d29e 100644 --- a/arch/mips/kernel/i8253.c +++ b/arch/mips/kernel/i8253.c @@ -12,6 +12,7 @@ #include <asm/delay.h> #include <asm/i8253.h> #include <asm/io.h> +#include <asm/time.h> static DEFINE_SPINLOCK(i8253_lock); @@ -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); } |