[MIPS] i8253: Cleanup.
authorRalf Baechle <ralf@linux-mips.org>
Thu, 1 Nov 2007 14:38:20 +0000 (14:38 +0000)
committerRalf Baechle <ralf@linux-mips.org>
Fri, 2 Nov 2007 16:13:48 +0000 (16:13 +0000)
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/kernel/i8253.c

index 5d9830df3595d6fb9625b9acbb1a3560413969cb..a925abd8d29e2011cb18b4dbee4ac4ae1c23fc31 100644 (file)
@@ -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);
 }