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sh: generic clockevent broadcast support.

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This hooks up GENERIC_CLOCKEVENTS_BROADCAST and a dummy local timer,
which we call in to from the timer IPI when no other local timer is
provided.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2008-08-06 18:37:07 +09:00
parent 6f52707e68
commit 8c24594dea
6 changed files with 77 additions and 4 deletions
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9
arch/sh/kernel/time_32.c
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@@ -1,9 +1,9 @@
/*
* arch/sh/kernel/time.c
* arch/sh/kernel/time_32.c
*
* Copyright (C) 1999 Tetsuya Okada & Niibe Yutaka
* Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
* Copyright (C) 2002 - 2007 Paul Mundt
* Copyright (C) 2002 - 2008 Paul Mundt
* Copyright (C) 2002 M. R. Brown <mrbrown@linux-sh.org>
*
* Some code taken from i386 version.
@@ -16,6 +16,7 @@
#include <linux/timex.h>
#include <linux/sched.h>
#include <linux/clockchips.h>
#include <linux/smp.h>
#include <asm/clock.h>
#include <asm/rtc.h>
#include <asm/timer.h>
@@ -260,6 +261,10 @@ void __init time_init(void)
sys_timer = get_sys_timer();
printk(KERN_INFO "Using %s for system timer\n", sys_timer->name);
#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
local_timer_setup(smp_processor_id());
#endif
if (sys_timer->ops->read)
clocksource_sh.read = sys_timer->ops->read;