Commit dd3db6eb authored by Ralf Baechle's avatar Ralf Baechle
Browse files

[MIPS] i8253: Cleanup. 



Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 9aa4cc11

arch/mips/kernel/i8253.c

+12 −11
Original line number Original line Diff line number Diff line
@@ -12,6 +12,7 @@ 
#include <asm/delay.h>

#include <asm/delay.h>

#include <asm/i8253.h>

#include <asm/i8253.h>

#include <asm/io.h>

#include <asm/io.h>

#include <asm/time.h>





static DEFINE_SPINLOCK(i8253_lock);

static DEFINE_SPINLOCK(i8253_lock);
@@ -87,11 +88,10 @@ struct clock_event_device pit_clockevent = { 
	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,

	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,

	.set_mode	= init_pit_timer,

	.set_mode	= init_pit_timer,

	.set_next_event = pit_next_event,

	.set_next_event = pit_next_event,

	.shift		= 32,

	.irq		= 0,

	.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);

	pit_clockevent.event_handler(&pit_clockevent);
@@ -111,19 +111,20 @@ static struct irqaction irq0 = { 
 */

 */

void __init setup_pit_timer(void)

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

	 * Start pit with the boot cpu mask and make it global after the

	 * IO_APIC has been initialized.

	 * IO_APIC has been initialized.

	 */

	 */

	pit_clockevent.cpumask = cpumask_of_cpu(0);

	cd->cpumask = cpumask_of_cpu(cpu);

	pit_clockevent.mult = div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC, 32);

	clockevent_set_clock(cd, CLOCK_TICK_RATE);

	pit_clockevent.max_delta_ns =

	cd->max_delta_ns = clockevent_delta2ns(0x7FFF, cd);

		clockevent_delta2ns(0x7FFF, &pit_clockevent);

	cd->min_delta_ns = clockevent_delta2ns(0xF, cd);

	pit_clockevent.min_delta_ns =

	clockevents_register_device(cd);

		clockevent_delta2ns(0xF, &pit_clockevent);



	clockevents_register_device(&pit_clockevent);

	irq0.mask = cpumask_of_cpu(cpu);



	irq0.mask = cpumask_of_cpu(0);

	setup_irq(0, &irq0);

	setup_irq(0, &irq0);

}

}