diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-01 16:51:53 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-02 17:28:15 +0300 |
| commit | e5e542eea9075dd008993c2ee80b2cc9f31fc494 (patch) | |
| tree | 5e63edaec5a5e0ce34b479ccc70fa311610d2abc | |
| parent | 4359ac0ace1a2a267927390ad27f781a2f8e0ab8 (diff) | |
| download | linux-e5e542eea9075dd008993c2ee80b2cc9f31fc494.tar.xz | |
posix-timers: Convert clock_getres() to clockid_to_kclock()
Use the new kclock decoding. Fixup the fallout in mmtimer.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <johnstul@us.ibm.com>
Tested-by: Richard Cochran <richard.cochran@omicron.at>
LKML-Reference: <20110201134418.709802797@linutronix.de>
| -rw-r--r-- | drivers/char/mmtimer.c | 10 | ||||
| -rw-r--r-- | kernel/posix-timers.c | 17 |
2 files changed, 14 insertions, 13 deletions
diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c index 262d10453cb8..141ffaeb976c 100644 --- a/drivers/char/mmtimer.c +++ b/drivers/char/mmtimer.c @@ -53,6 +53,8 @@ MODULE_LICENSE("GPL"); #define RTC_BITS 55 /* 55 bits for this implementation */ +static struct k_clock sgi_clock; + extern unsigned long sn_rtc_cycles_per_second; #define RTC_COUNTER_ADDR ((long *)LOCAL_MMR_ADDR(SH_RTC)) @@ -763,10 +765,18 @@ static int sgi_timer_set(struct k_itimer *timr, int flags, return err; } +static int sgi_clock_getres(const clockid_t which_clock, struct timespec *tp) +{ + tp->tv_sec = 0; + tp->tv_nsec = sgi_clock.res; + return 0; +} + static struct k_clock sgi_clock = { .res = 0, .clock_set = sgi_clock_set, .clock_get = sgi_clock_get, + .clock_getres = sgi_clock_getres, .timer_create = sgi_timer_create, .timer_set = sgi_timer_set, .timer_del = sgi_timer_del, diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 7f66143d1ce5..748497fffd0f 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -182,14 +182,6 @@ static inline void unlock_timer(struct k_itimer *timr, unsigned long flags) * the function pointer CALL in struct k_clock. */ -static inline int common_clock_getres(const clockid_t which_clock, - struct timespec *tp) -{ - tp->tv_sec = 0; - tp->tv_nsec = posix_clocks[which_clock].res; - return 0; -} - static int common_timer_create(struct k_itimer *new_timer) { hrtimer_init(&new_timer->it.real.timer, new_timer->it_clock, 0); @@ -984,18 +976,17 @@ SYSCALL_DEFINE2(clock_gettime, const clockid_t, which_clock, SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock, struct timespec __user *, tp) { + struct k_clock *kc = clockid_to_kclock(which_clock); struct timespec rtn_tp; int error; - if (invalid_clockid(which_clock)) + if (!kc) return -EINVAL; - error = CLOCK_DISPATCH(which_clock, clock_getres, - (which_clock, &rtn_tp)); + error = kc->clock_getres(which_clock, &rtn_tp); - if (!error && tp && copy_to_user(tp, &rtn_tp, sizeof (rtn_tp))) { + if (!error && tp && copy_to_user(tp, &rtn_tp, sizeof (rtn_tp))) error = -EFAULT; - } return error; } |