From 205bee6ad804d7034773b5978c74dde495df2301 Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Sun, 20 Apr 2008 13:57:26 +0100
Subject: [ARM] dyntick: Remove obsolete and unused ARM dyntick support

dyntick is superseded by the clocksource/clockevent infrastructure,
using the NO_HZ configuration option.  No one implements dyntick on
ARM anymore, so it's pointless keeping it around.  Remove dyntick
support.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 include/asm-arm/dyntick.h   |  6 ------
 include/asm-arm/hw_irq.h    | 11 -----------
 include/asm-arm/mach/time.h | 22 ----------------------
 3 files changed, 39 deletions(-)
 delete mode 100644 include/asm-arm/dyntick.h

(limited to 'include')

diff --git a/include/asm-arm/dyntick.h b/include/asm-arm/dyntick.h
deleted file mode 100644
index 19fab2d2b76..00000000000
--- a/include/asm-arm/dyntick.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASMARM_DYNTICK_H
-#define _ASMARM_DYNTICK_H
-
-#include <asm/mach/time.h>
-
-#endif /* _ASMARM_DYNTICK_H */
diff --git a/include/asm-arm/hw_irq.h b/include/asm-arm/hw_irq.h
index 98d594a973d..f1a08a50060 100644
--- a/include/asm-arm/hw_irq.h
+++ b/include/asm-arm/hw_irq.h
@@ -6,15 +6,4 @@
 
 #include <asm/mach/irq.h>
 
-#if defined(CONFIG_NO_IDLE_HZ)
-# include <asm/dyntick.h>
-# define handle_dynamic_tick(action)					\
-	if (!(action->flags & IRQF_TIMER) && system_timer->dyn_tick) {	\
-		write_seqlock(&xtime_lock);				\
-		if (system_timer->dyn_tick->state & DYN_TICK_ENABLED)	\
-			system_timer->dyn_tick->handler(irq, NULL);	\
-		write_sequnlock(&xtime_lock);				\
-	}
-#endif
-
 #endif
diff --git a/include/asm-arm/mach/time.h b/include/asm-arm/mach/time.h
index 5dc357013b7..2fd36ea0130 100644
--- a/include/asm-arm/mach/time.h
+++ b/include/asm-arm/mach/time.h
@@ -41,30 +41,8 @@ struct sys_timer {
 #ifndef CONFIG_GENERIC_TIME
 	unsigned long		(*offset)(void);
 #endif
-
-#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
-
 extern struct sys_timer *system_timer;
 extern void timer_tick(void);
 
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