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clocksource: mips-gic: Use clockevents_config_and_register

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Use clockevents_config_and_register to setup the clock_event_device
based on frequency and min/max ticks instead of doing it ourselves.

Signed-off-by: Andrew Bresticker <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Jason Cooper <[email protected]>
Cc: Paul Burton <[email protected]>
Cc: Qais Yousef <[email protected]>
Cc: John Crispin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/8140/
Signed-off-by: Ralf Baechle <[email protected]>
This commit is contained in:
Andrew Bresticker 2014-10-20 12:04:05 -07:00 • committed by Ralf Baechle
commit b695d8e6ad
1 changed files with 1 additions and 9 deletions
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10
drivers/clocksource/mips-gic-timer.c
View file

@ -15,8 +15,6 @@
#include <linux/smp.h>
#include <linux/time.h>
#include <asm/time.h>
static DEFINE_PER_CPU(struct clock_event_device, gic_clockevent_device);
static int gic_timer_irq;
static unsigned int gic_frequency;
@ -63,19 +61,13 @@ static void gic_clockevent_cpu_init(struct clock_event_device *cd)
cd->features = CLOCK_EVT_FEAT_ONESHOT |
CLOCK_EVT_FEAT_C3STOP;
clockevent_set_clock(cd, gic_frequency);
/* Calculate the min / max delta */
cd->max_delta_ns = clockevent_delta2ns(0x7fffffff, cd);
cd->min_delta_ns = clockevent_delta2ns(0x300, cd);
cd->rating = 300;
cd->irq = gic_timer_irq;
cd->cpumask = cpumask_of(cpu);
cd->set_next_event = gic_next_event;
cd->set_mode = gic_set_clock_mode;
clockevents_register_device(cd);
clockevents_config_and_register(cd, gic_frequency, 0x300, 0x7fffffff);
enable_percpu_irq(gic_timer_irq, IRQ_TYPE_NONE);
}