arch_timer.h

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#ifndef __ASMARM_ARCH_TIMER_H
#define __ASMARM_ARCH_TIMER_H

#include <asm/errno.h>
#include <linux/clocksource.h>

#ifdef CONFIG_ARM_ARCH_TIMER
int arch_timer_of_register(void);
int arch_timer_sched_clock_init(void);
struct timecounter *arch_timer_get_timecounter(void);
#else
static inline int arch_timer_of_register(void)
{
    return -ENXIO;
}

static inline int arch_timer_sched_clock_init(void)
{
    return -ENXIO;
}

static inline struct timecounter *arch_timer_get_timecounter(void)
{
    return NULL;
}
#endif

#endif