diff options
Diffstat (limited to 'arch/sh/kernel/timers/timer.c')
-rw-r--r-- | arch/sh/kernel/timers/timer.c | 50 |
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 0000000..dc1f631 --- /dev/null +++ b/arch/sh/kernel/timers/timer.c @@ -0,0 +1,50 @@ +/* + * arch/sh/kernel/timers/timer.c - Common timer code + * + * Copyright (C) 2005 Paul Mundt + * + * 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/init.h> +#include <linux/timer.h> +#include <linux/string.h> +#include <asm/timer.h> + +static struct sys_timer *sys_timers[] __initdata = { +#ifdef CONFIG_SH_TMU + &tmu_timer, +#endif + NULL, +}; + +static char timer_override[10] __initdata; +static int __init timer_setup(char *str) +{ + if (str) + strlcpy(timer_override, str, sizeof(timer_override)); + return 1; +} +__setup("timer=", timer_setup); + +struct sys_timer *get_sys_timer(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(sys_timers); i++) { + struct sys_timer *t = sys_timers[i]; + + if (unlikely(!t)) + break; + if (unlikely(timer_override[0])) + if ((strcmp(timer_override, t->name) != 0)) + continue; + if (likely(t->ops->init() == 0)) + return t; + } + + return NULL; +} + |