This is tick-oneshot specific routine and hence must be defined in tick-oneshot.c.
Also, as it isn't used outside kernel/time/, move its declaration to tick-internal.h.
Signed-off-by: Viresh Kumar viresh.kumar@linaro.org --- include/linux/tick.h | 1 - kernel/time/tick-common.c | 14 -------------- kernel/time/tick-internal.h | 2 ++ kernel/time/tick-oneshot.c | 14 ++++++++++++++ 4 files changed, 16 insertions(+), 15 deletions(-)
diff --git a/include/linux/tick.h b/include/linux/tick.h index 98065e5..b8ee6f4 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -84,7 +84,6 @@ struct tick_sched { };
extern void __init tick_init(void); -extern int tick_is_oneshot_available(void);
DECLARE_PER_CPU(struct tick_device, tick_cpu_device); static inline struct tick_device *tick_get_device(int cpu) diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 4d45e08..64897d3 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -53,20 +53,6 @@ int tick_do_timer_cpu __read_mostly = TICK_DO_TIMER_BOOT; /* * Debugging: see timer_list.c */ -/** - * tick_is_oneshot_available - check for a oneshot capable event device - */ -int tick_is_oneshot_available(void) -{ - struct clock_event_device *dev = tick_get_cpu_device()->evtdev; - - if (!dev || !(dev->features & CLOCK_EVT_FEAT_ONESHOT)) - return 0; - if (!(dev->features & CLOCK_EVT_FEAT_C3STOP)) - return 1; - return tick_broadcast_oneshot_available(); -} - /* * Periodic tick */ diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h index 57c1a76..09f4307 100644 --- a/kernel/time/tick-internal.h +++ b/kernel/time/tick-internal.h @@ -42,6 +42,7 @@ extern void tick_setup_oneshot(struct clock_event_device *newdev, extern int tick_program_event(ktime_t expires, int force); extern void tick_oneshot_notify(void); extern int tick_switch_to_oneshot(void (*handler)(struct clock_event_device *)); +extern int tick_is_oneshot_available(void); extern void tick_resume_oneshot(void); # ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST extern void tick_broadcast_setup_oneshot(struct clock_event_device *bc); @@ -96,6 +97,7 @@ static inline int tick_resume_broadcast_oneshot(struct clock_event_device *bc) return 0; } static inline int tick_broadcast_oneshot_active(void) { return 0; } +static inline int tick_is_oneshot_available(void) { return 0; }; static inline bool tick_broadcast_oneshot_available(void) { return false; } #endif /* !TICK_ONESHOT */
diff --git a/kernel/time/tick-oneshot.c b/kernel/time/tick-oneshot.c index 7089dea..aaf60a9 100644 --- a/kernel/time/tick-oneshot.c +++ b/kernel/time/tick-oneshot.c @@ -102,6 +102,20 @@ int tick_oneshot_mode_active(void) return ret; }
+/** + * tick_is_oneshot_available - check for a oneshot capable event device + */ +int tick_is_oneshot_available(void) +{ + struct clock_event_device *dev = tick_get_cpu_device()->evtdev; + + if (!dev || !(dev->features & CLOCK_EVT_FEAT_ONESHOT)) + return 0; + if (!(dev->features & CLOCK_EVT_FEAT_C3STOP)) + return 1; + return tick_broadcast_oneshot_available(); +} + #ifdef CONFIG_HIGH_RES_TIMERS /** * tick_init_highres - switch to high resolution mode