diff options
Diffstat (limited to 'drivers/staging/iio/trigger')
| -rw-r--r-- | drivers/staging/iio/trigger/iio-trig-bfin-timer.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c index ce6a7b1b8860..2772ea2fb0dc 100644 --- a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c +++ b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c @@ -99,9 +99,15 @@ static ssize_t iio_bfin_tmr_frequency_show(struct device *dev, { struct iio_trigger *trig = to_iio_trigger(dev); struct bfin_tmr_state *st = trig->private_data; + unsigned int period = get_gptimer_period(st->t->id); + unsigned long val; - return sprintf(buf, "%lu\n", - get_sclk() / get_gptimer_period(st->t->id)); + if (period == 0) + val = 0; + else + val = get_sclk() / get_gptimer_period(st->t->id); + + return sprintf(buf, "%lu\n", val); } static DEVICE_ATTR(frequency, S_IRUGO | S_IWUSR, iio_bfin_tmr_frequency_show, |