diff options
Diffstat (limited to 'drivers/rtc/rtc-cmos.c')
-rw-r--r-- | drivers/rtc/rtc-cmos.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 5d760bb6c2cd..6d0c35397b49 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -246,11 +246,9 @@ static int cmos_irq_set_freq(struct device *dev, int freq) /* 0 = no irqs; 1 = 2^15 Hz ... 15 = 2^0 Hz */ f = ffs(freq); - if (f != 0) { - if (f-- > 16 || freq != (1 << f)) - return -EINVAL; - f = 16 - f; - } + if (f-- > 16) + return -EINVAL; + f = 16 - f; spin_lock_irqsave(&rtc_lock, flags); CMOS_WRITE(RTC_REF_CLCK_32KHZ | f, RTC_FREQ_SELECT); |