diff options
Diffstat (limited to 'drivers/char/rtc.c')
| -rw-r--r-- | drivers/char/rtc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index 10f06a6bfeb5..fa92a8af5a5a 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -679,12 +679,13 @@ static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, int kernel) if (arg != (1<<tmp)) return -EINVAL; + rtc_freq = arg; + spin_lock_irqsave(&rtc_lock, flags); if (hpet_set_periodic_freq(arg)) { spin_unlock_irqrestore(&rtc_lock, flags); return 0; } - rtc_freq = arg; val = CMOS_READ(RTC_FREQ_SELECT) & 0xf0; val |= (16 - tmp); |