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authorPaul Mundt <lethal@linux-sh.org>2009-05-08 16:44:00 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-05-08 16:44:00 +0900
commit5ac5496411b30d41945a996fe7a7fb5abccf2aaa (patch)
treef79d9cb0933186628e2fff82bfaa43676a5d83f9 /arch/sh/kernel/time.c
parent6d134b9e8d3f32331ad2faca2db8186f54198931 (diff)
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>
Diffstat (limited to 'arch/sh/kernel/time.c')
-rw-r--r--arch/sh/kernel/time.c53
1 files changed, 4 insertions, 49 deletions
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index 77b841a99c0..f4c304adec4 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -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;
}
-