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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-01 13:51:56 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-02 15:28:15 +0100 |
| commit | ebaac757acae0431e2c79c00e09f1debdabbddd7 (patch) | |
| tree | 3f5dbd5cdb4cd6effd1556e65b4885edc8e269de | |
| parent | e5e542eea9075dd008993c2ee80b2cc9f31fc494 (diff) | |
| download | linux-ebaac757acae0431e2c79c00e09f1debdabbddd7.tar.bz2 | |
posix-timers: Remove useless res field from k_clock
The res member of kclock is only used by mmtimer.c, but even there it
contains redundant information. Remove the field and fixup mmtimer.
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: <20110201134418.808714587@linutronix.de>
| -rw-r--r-- | drivers/char/mmtimer.c | 5 | ||||
| -rw-r--r-- | include/linux/posix-timers.h | 1 | ||||
| -rw-r--r-- | kernel/posix-timers.c | 2 |
3 files changed, 2 insertions, 6 deletions
diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c index 141ffaeb976c..ff41eb3eec92 100644 --- a/drivers/char/mmtimer.c +++ b/drivers/char/mmtimer.c @@ -768,12 +768,11 @@ static int sgi_timer_set(struct k_itimer *timr, int flags, static int sgi_clock_getres(const clockid_t which_clock, struct timespec *tp) { tp->tv_sec = 0; - tp->tv_nsec = sgi_clock.res; + tp->tv_nsec = sgi_clock_period; 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, @@ -840,7 +839,7 @@ static int __init mmtimer_init(void) (unsigned long) node); } - sgi_clock_period = sgi_clock.res = NSEC_PER_SEC / sn_rtc_cycles_per_second; + sgi_clock_period = NSEC_PER_SEC / sn_rtc_cycles_per_second; register_posix_clock(CLOCK_SGI_CYCLE, &sgi_clock); printk(KERN_INFO "%s: v%s, %ld MHz\n", MMTIMER_DESC, MMTIMER_VERSION, diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h index 4aaf0c5c7cea..ef574d177fb6 100644 --- a/include/linux/posix-timers.h +++ b/include/linux/posix-timers.h @@ -67,7 +67,6 @@ struct k_itimer { }; struct k_clock { - int res; /* in nanoseconds */ int (*clock_getres) (const clockid_t which_clock, struct timespec *tp); int (*clock_set) (const clockid_t which_clock, const struct timespec *tp); diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 748497fffd0f..f9142a99b5cb 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -204,8 +204,6 @@ static inline int invalid_clockid(const clockid_t which_clock) return 1; if (posix_clocks[which_clock].clock_getres != NULL) return 0; - if (posix_clocks[which_clock].res != 0) - return 0; return 1; } |