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Commit 5ac54964 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Kill off dead handle_timer_tick() code. 



Nothing is using this anymore now that we have fully converted to generic
time, so kill it off completely.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 6d134b9e

arch/sh/include/asm/timer.h

+0 −5
Original line number Diff line number Diff line
@@ -18,17 +18,12 @@ struct sys_timer { 
	struct sys_timer_ops	*ops;

};



#define TICK_SIZE (tick_nsec / 1000)



extern struct sys_timer tmu_timer;

extern struct sys_timer *sys_timer;



/* arch/sh/kernel/timers/timer.c */

struct sys_timer *get_sys_timer(void);



/* arch/sh/kernel/time.c */

void handle_timer_tick(void);



extern struct clocksource clocksource_sh;



#endif /* __ASM_SH_TIMER_H */

arch/sh/kernel/time.c

+4 −49
Original line number Diff line number Diff line 
/*

 *  arch/sh/kernel/time_32.c

 *  arch/sh/kernel/time.c

 *

 *  Copyright (C) 1999  Tetsuya Okada & Niibe Yutaka

 *  Copyright (C) 2000  Philipp Rumpf <prumpf@tux.org>

 *  Copyright (C) 2002 - 2009  Paul Mundt

 *  Copyright (C) 2002  M. R. Brown  <mrbrown@linux-sh.org>

 *

 *  Some code taken from i386 version.

 *    Copyright (C) 1991, 1992, 1995  Linus Torvalds

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 */

#include <linux/kernel.h>

#include <linux/module.h>
@@ -23,7 +24,6 @@ 
#include <asm/clock.h>

#include <asm/rtc.h>

#include <asm/timer.h>

#include <asm/kgdb.h>



struct sys_timer *sys_timer;
@@ -97,50 +97,6 @@ static int __init rtc_generic_init(void) 
}

module_init(rtc_generic_init);



/* last time the RTC clock got updated */

static long last_rtc_update;



/*

 * handle_timer_tick() needs to keep up the real-time clock,

 * as well as call the "do_timer()" routine every clocktick

 */

void handle_timer_tick(void)

{

	if (current->pid)

		profile_tick(CPU_PROFILING);



	/*

	 * Here we are in the timer irq handler. We just have irqs locally

	 * disabled but we don't know if the timer_bh is running on the other

	 * CPU. We need to avoid to SMP race with it. NOTE: we don' t need

	 * the irq version of write_lock because as just said we have irq

	 * locally disabled. -arca

	 */

	write_seqlock(&xtime_lock);

	do_timer(1);



	/*

	 * If we have an externally synchronized Linux clock, then update

	 * RTC clock accordingly every ~11 minutes. Set_rtc_mmss() has to be

	 * called as close as possible to 500 ms before the new second starts.

	 */

	if (ntp_synced() &&

	    xtime.tv_sec > last_rtc_update + 660 &&

	    (xtime.tv_nsec / 1000) >= 500000 - ((unsigned) TICK_SIZE) / 2 &&

	    (xtime.tv_nsec / 1000) <= 500000 + ((unsigned) TICK_SIZE) / 2) {

		if (rtc_sh_set_time(xtime.tv_sec) == 0)

			last_rtc_update = xtime.tv_sec;

		else

			/* do it again in 60s */

			last_rtc_update = xtime.tv_sec - 600;

	}

	write_sequnlock(&xtime_lock);



#ifndef CONFIG_SMP

	update_process_times(user_mode(get_irq_regs()));

#endif

}



#ifdef CONFIG_PM

int timer_suspend(struct sys_device *dev, pm_message_t state)

{
@@ -242,4 +198,3 @@ void __init time_init(void) 


	late_time_init = sh_late_time_init;

}