diff options
Diffstat (limited to 'include/asm-sh/timer.h')
| -rw-r--r-- | include/asm-sh/timer.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/asm-sh/timer.h b/include/asm-sh/timer.h index 5a014bca9d58..17b5e76a4c31 100644 --- a/include/asm-sh/timer.h +++ b/include/asm-sh/timer.h @@ -18,8 +18,29 @@ struct sys_timer { struct sys_device dev; struct sys_timer_ops *ops; + +#ifdef CONFIG_NO_IDLE_HZ + struct dyn_tick_timer *dyn_tick; +#endif }; +#ifdef CONFIG_NO_IDLE_HZ +#define DYN_TICK_ENABLED (1 << 1) + +struct dyn_tick_timer { + spinlock_t lock; + unsigned int state; /* Current state */ + int (*enable)(void); /* Enables dynamic tick */ + int (*disable)(void); /* Disables dynamic tick */ + void (*reprogram)(unsigned long); /* Reprograms the timer */ + int (*handler)(int, void *); +}; + +void timer_dyn_reprogram(void); +#else +#define timer_dyn_reprogram() do { } while (0) +#endif + #define TICK_SIZE (tick_nsec / 1000) extern struct sys_timer tmu_timer, cmt_timer, mtu2_timer; |