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-rw-r--r--arch/sh/kernel/timers/timer.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/sh/kernel/timers/timer.c b/arch/sh/kernel/timers/timer.c
new file mode 100644
index 000000000000..dc1f631053a8
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+++ b/arch/sh/kernel/timers/timer.c
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1/*
2 * arch/sh/kernel/timers/timer.c - Common timer code
3 *
4 * Copyright (C) 2005 Paul Mundt
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10#include <linux/kernel.h>
11#include <linux/init.h>
12#include <linux/timer.h>
13#include <linux/string.h>
14#include <asm/timer.h>
15
16static struct sys_timer *sys_timers[] __initdata = {
17#ifdef CONFIG_SH_TMU
18 &tmu_timer,
19#endif
20 NULL,
21};
22
23static char timer_override[10] __initdata;
24static int __init timer_setup(char *str)
25{
26 if (str)
27 strlcpy(timer_override, str, sizeof(timer_override));
28 return 1;
29}
30__setup("timer=", timer_setup);
31
32struct sys_timer *get_sys_timer(void)
33{
34 int i;
35
36 for (i = 0; i < ARRAY_SIZE(sys_timers); i++) {
37 struct sys_timer *t = sys_timers[i];
38
39 if (unlikely(!t))
40 break;
41 if (unlikely(timer_override[0]))
42 if ((strcmp(timer_override, t->name) != 0))
43 continue;
44 if (likely(t->ops->init() == 0))
45 return t;
46 }
47
48 return NULL;
49}
50