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Diffstat (limited to 'include/asm-arm')
-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 5cf4fd659fd..047980ad18d 100644
--- a/include/asm-arm/mach/time.h
+++ b/include/asm-arm/mach/time.h
@@ -39,8 +39,29 @@ struct sys_timer {
void (*suspend)(void);
void (*resume)(void);
unsigned long (*offset)(void);
+
+#ifdef CONFIG_NO_IDLE_HZ
+ struct dyn_tick_timer *dyn_tick;
+#endif
+};
+
+#ifdef CONFIG_NO_IDLE_HZ
+
+#define DYN_TICK_SKIPPING (1 << 2)
+#define DYN_TICK_ENABLED (1 << 1)
+#define DYN_TICK_SUITABLE (1 << 0)
+
+struct dyn_tick_timer {
+ 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 *, struct pt_regs *);
};
+void timer_dyn_reprogram(void);
+#endif
+
extern struct sys_timer *system_timer;
extern void timer_tick(struct pt_regs *);
diff --git a/include/asm-arm/signal.h b/include/asm-arm/signal.h
index 46e69ae395a..760f6e65af0 100644
--- a/include/asm-arm/signal.h
+++ b/include/asm-arm/signal.h
@@ -114,6 +114,7 @@ typedef unsigned long sigset_t;
#define SIGSTKSZ 8192
#ifdef __KERNEL__
+#define SA_TIMER 0x40000000
#define SA_IRQNOMASK 0x08000000
#endif