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ARM: local timers: convert exynos to runtime registration interface 

Convert the Exynos MCT timers to the runtime registration interface.
Tested on Origen.

Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
hifive-unleashed-5.1
Marc Zyngier 2012-01-10 19:44:19 +00:00
parent 9248510469
commit a8cb6041d0
1 changed files with 10 additions and 8 deletions
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18
arch/arm/mach-exynos/mct.c
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@ -21,6 +21,7 @@
#include <linux/percpu.h>
#include <asm/hardware/gic.h>
#include <asm/localtimer.h>
#include <plat/cpu.h>
@ -375,7 +376,7 @@ static struct irqaction mct_tick1_event_irq = {
.handler = exynos4_mct_tick_isr,
};
static void exynos4_mct_tick_init(struct clock_event_device *evt)
static int __cpuinit exynos4_local_timer_setup(struct clock_event_device *evt)
{
struct mct_clock_event_device *mevt;
unsigned int cpu = smp_processor_id();
@ -417,17 +418,11 @@ static void exynos4_mct_tick_init(struct clock_event_device *evt)
} else {
enable_percpu_irq(IRQ_MCT_LOCALTIMER, 0);
}
}
/* Setup the local clock events for a CPU */
int __cpuinit local_timer_setup(struct clock_event_device *evt)
{
exynos4_mct_tick_init(evt);
return 0;
}
void local_timer_stop(struct clock_event_device *evt)
static void exynos4_local_timer_stop(struct clock_event_device *evt)
{
unsigned int cpu = smp_processor_id();
evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt);
@ -439,6 +434,11 @@ void local_timer_stop(struct clock_event_device *evt)
else
disable_percpu_irq(IRQ_MCT_LOCALTIMER);
}
static struct local_timer_ops exynos4_mct_tick_ops __cpuinitdata = {
.setup = exynos4_local_timer_setup,
.stop = exynos4_local_timer_stop,
};
#endif /* CONFIG_LOCAL_TIMERS */
static void __init exynos4_timer_resources(void)
@ -458,6 +458,8 @@ static void __init exynos4_timer_resources(void)
WARN(err, "MCT: can't request IRQ %d (%d)\n",
IRQ_MCT_LOCALTIMER, err);
}
local_timer_register(&exynos4_mct_tick_ops);
#endif /* CONFIG_LOCAL_TIMERS */
}