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-rw-r--r--include/asm-arm/mach/time.h21
-rw-r--r--include/asm-arm/signal.h1
2 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-arm/mach/time.h b/include/asm-arm/mach/time.h
index 5cf4fd659fd5..047980ad18d1 100644
--- a/include/asm-arm/mach/time.h
+++ b/include/asm-arm/mach/time.h
@@ -39,8 +39,29 @@ struct sys_timer {
39 void (*suspend)(void); 39 void (*suspend)(void);
40 void (*resume)(void); 40 void (*resume)(void);
41 unsigned long (*offset)(void); 41 unsigned long (*offset)(void);
42
43#ifdef CONFIG_NO_IDLE_HZ
44 struct dyn_tick_timer *dyn_tick;
45#endif
46};
47
48#ifdef CONFIG_NO_IDLE_HZ
49
50#define DYN_TICK_SKIPPING (1 << 2)
51#define DYN_TICK_ENABLED (1 << 1)
52#define DYN_TICK_SUITABLE (1 << 0)
53
54struct dyn_tick_timer {
55 unsigned int state; /* Current state */
56 int (*enable)(void); /* Enables dynamic tick */
57 int (*disable)(void); /* Disables dynamic tick */
58 void (*reprogram)(unsigned long); /* Reprograms the timer */
59 int (*handler)(int, void *, struct pt_regs *);
42}; 60};
43 61
62void timer_dyn_reprogram(void);
63#endif
64
44extern struct sys_timer *system_timer; 65extern struct sys_timer *system_timer;
45extern void timer_tick(struct pt_regs *); 66extern void timer_tick(struct pt_regs *);
46 67
diff --git a/include/asm-arm/signal.h b/include/asm-arm/signal.h
index 46e69ae395af..760f6e65af05 100644
--- a/include/asm-arm/signal.h
+++ b/include/asm-arm/signal.h
@@ -114,6 +114,7 @@ typedef unsigned long sigset_t;
114#define SIGSTKSZ 8192 114#define SIGSTKSZ 8192
115 115
116#ifdef __KERNEL__ 116#ifdef __KERNEL__
117#define SA_TIMER 0x40000000
117#define SA_IRQNOMASK 0x08000000 118#define SA_IRQNOMASK 0x08000000
118#endif 119#endif
119 120