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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: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-05-08 16:44:00 +09:00
parent 6d134b9e8d
commit 5ac5496411
2 changed files with 4 additions and 54 deletions
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5
arch/sh/include/asm/timer.h
View File

@ -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 */

53
arch/sh/kernel/time.c
View File

@ -1,13 +1,14 @@
/*
* 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;
}