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authorRalf Baechle <ralf@linux-mips.org>2007-11-01 10:38:20 -0400
committerRalf Baechle <ralf@linux-mips.org>2007-11-02 12:13:48 -0400
commitdd3db6eb0e47b4480eeea30394d19bd826e64964 (patch)
treeb568e78a08bfc57d2727d6f887235b8abef02f5d /arch/mips
parent9aa4cc11b22ec447b42c5df03fdab5eb748971e2 (diff)
[MIPS] i8253: Cleanup.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/kernel/i8253.c23
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 @@
12#include <asm/delay.h> 12#include <asm/delay.h>
13#include <asm/i8253.h> 13#include <asm/i8253.h>
14#include <asm/io.h> 14#include <asm/io.h>
15#include <asm/time.h>
15 16
16static DEFINE_SPINLOCK(i8253_lock); 17static DEFINE_SPINLOCK(i8253_lock);
17 18
@@ -87,11 +88,10 @@ struct clock_event_device pit_clockevent = {
87 .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, 88 .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
88 .set_mode = init_pit_timer, 89 .set_mode = init_pit_timer,
89 .set_next_event = pit_next_event, 90 .set_next_event = pit_next_event,
90 .shift = 32,
91 .irq = 0, 91 .irq = 0,
92}; 92};
93 93
94irqreturn_t timer_interrupt(int irq, void *dev_id) 94static irqreturn_t timer_interrupt(int irq, void *dev_id)
95{ 95{
96 pit_clockevent.event_handler(&pit_clockevent); 96 pit_clockevent.event_handler(&pit_clockevent);
97 97
@@ -111,19 +111,20 @@ static struct irqaction irq0 = {
111 */ 111 */
112void __init setup_pit_timer(void) 112void __init setup_pit_timer(void)
113{ 113{
114 struct clock_event_device *cd = &pit_clockevent;
115 unsigned int cpu = smp_processor_id();
116
114 /* 117 /*
115 * Start pit with the boot cpu mask and make it global after the 118 * Start pit with the boot cpu mask and make it global after the
116 * IO_APIC has been initialized. 119 * IO_APIC has been initialized.
117 */ 120 */
118 pit_clockevent.cpumask = cpumask_of_cpu(0); 121 cd->cpumask = cpumask_of_cpu(cpu);
119 pit_clockevent.mult = div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC, 32); 122 clockevent_set_clock(cd, CLOCK_TICK_RATE);
120 pit_clockevent.max_delta_ns = 123 cd->max_delta_ns = clockevent_delta2ns(0x7FFF, cd);
121 clockevent_delta2ns(0x7FFF, &pit_clockevent); 124 cd->min_delta_ns = clockevent_delta2ns(0xF, cd);
122 pit_clockevent.min_delta_ns = 125 clockevents_register_device(cd);
123 clockevent_delta2ns(0xF, &pit_clockevent); 126
124 clockevents_register_device(&pit_clockevent); 127 irq0.mask = cpumask_of_cpu(cpu);
125
126 irq0.mask = cpumask_of_cpu(0);
127 setup_irq(0, &irq0); 128 setup_irq(0, &irq0);
128} 129}
129 130