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-rw-r--r--include/asm-sh/timer.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/asm-sh/timer.h b/include/asm-sh/timer.h
index 5a014bca9d5..17b5e76a4c3 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;