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Provide description for 'machdep.disable_rtc_set' sysctl. Clean up style(9)

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nits.  Remove a redundant return statement and an unnecessary variable.
This commit is contained in:
Jung-uk Kim 2010-08-12 16:13:24 +00:00
parent 64040d3978
commit 0674ea6f69
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=211228
1 changed files with 13 additions and 19 deletions
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32
sys/kern/subr_rtc.c
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@ -65,8 +65,8 @@ static long clock_res;
/* XXX: should be kern. now, it's no longer machdep. */
static int disable_rtc_set;
SYSCTL_INT(_machdep, OID_AUTO, disable_rtc_set,
CTLFLAG_RW, &disable_rtc_set, 0, "");
SYSCTL_INT(_machdep, OID_AUTO, disable_rtc_set, CTLFLAG_RW, &disable_rtc_set,
0, "Disallow adjusting time-of-day clock");
void
clock_register(device_t dev, long res) /* res has units of microseconds */
@ -74,26 +74,22 @@ clock_register(device_t dev, long res) /* res has units of microseconds */
if (clock_dev != NULL) {
if (clock_res > res) {
if (bootverbose) {
if (bootverbose)
device_printf(dev, "not installed as "
"time-of-day clock: clock %s has higher "
"resolution\n", device_get_name(clock_dev));
}
return;
} else {
if (bootverbose) {
device_printf(clock_dev, "removed as "
"time-of-day clock: clock %s has higher "
"resolution\n", device_get_name(dev));
}
}
if (bootverbose)
device_printf(clock_dev, "removed as "
"time-of-day clock: clock %s has higher "
"resolution\n", device_get_name(dev));
}
clock_dev = dev;
clock_res = res;
if (bootverbose) {
if (bootverbose)
device_printf(dev, "registered as a time-of-day clock "
"(resolution %ldus)\n", res);
}
}
/*
@ -109,7 +105,7 @@ clock_register(device_t dev, long res) /* res has units of microseconds */
void
inittodr(time_t base)
{
struct timespec ref, ts;
struct timespec ts;
int error;
if (clock_dev == NULL) {
@ -136,9 +132,9 @@ inittodr(time_t base)
wrong_time:
if (base > 0) {
ref.tv_sec = base;
ref.tv_nsec = 0;
tc_setclock(&ref);
ts.tv_sec = base;
ts.tv_nsec = 0;
tc_setclock(&ts);
}
}
@ -157,9 +153,7 @@ resettodr(void)
getnanotime(&ts);
ts.tv_sec -= utc_offset();
/* XXX: We should really set all registered RTCs */
if ((error = CLOCK_SETTIME(clock_dev, &ts)) != 0) {
if ((error = CLOCK_SETTIME(clock_dev, &ts)) != 0)
printf("warning: clock_settime failed (%d), time-of-day clock "
"not adjusted to system time\n", error);
return;
}
}