50 lines
1011 B
C
50 lines
1011 B
C
/*
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* arch/sh/kernel/timers/timer.c - Common timer code
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*
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* Copyright (C) 2005 Paul Mundt
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/timer.h>
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#include <linux/string.h>
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#include <asm/timer.h>
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static struct sys_timer *sys_timers[] = {
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#ifdef CONFIG_SH_TMU
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&tmu_timer,
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#endif
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NULL,
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};
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static char timer_override[10];
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static int __init timer_setup(char *str)
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{
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if (str)
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strlcpy(timer_override, str, sizeof(timer_override));
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return 1;
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}
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__setup("timer=", timer_setup);
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struct sys_timer *get_sys_timer(void)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(sys_timers); i++) {
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struct sys_timer *t = sys_timers[i];
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if (unlikely(!t))
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break;
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if (unlikely(timer_override[0]))
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if ((strcmp(timer_override, t->name) != 0))
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continue;
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if (likely(t->ops->init() == 0))
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return t;
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}
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return NULL;
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}
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