diff options
Diffstat (limited to 'drivers/staging/iio/trigger/iio-trig-periodic-rtc.c')
-rw-r--r-- | drivers/staging/iio/trigger/iio-trig-periodic-rtc.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c index a24caf73ae0b..0c1976ddee74 100644 --- a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c +++ b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c @@ -24,7 +24,7 @@ static DEFINE_MUTEX(iio_prtc_trigger_list_lock); struct iio_prtc_trigger_info { struct rtc_device *rtc; - int frequency; + unsigned int frequency; struct rtc_task task; bool state; }; @@ -36,7 +36,7 @@ static int iio_trig_periodic_rtc_set_state(struct iio_trigger *trig, bool state) if (trig_info->frequency == 0 && state) return -EINVAL; - dev_dbg(&trig_info->rtc->dev, "trigger frequency is %d\n", + dev_dbg(&trig_info->rtc->dev, "trigger frequency is %u\n", trig_info->frequency); ret = rtc_irq_set_state(trig_info->rtc, &trig_info->task, state); if (ret == 0) @@ -62,10 +62,10 @@ static ssize_t iio_trig_periodic_write_freq(struct device *dev, { struct iio_trigger *trig = to_iio_trigger(dev); struct iio_prtc_trigger_info *trig_info = iio_trigger_get_drvdata(trig); - int val; + unsigned int val; int ret; - ret = kstrtoint(buf, 10, &val); + ret = kstrtouint(buf, 10, &val); if (ret) goto error_ret; @@ -74,10 +74,8 @@ static ssize_t iio_trig_periodic_write_freq(struct device *dev, if (ret == 0 && trig_info->state && trig_info->frequency == 0) ret = rtc_irq_set_state(trig_info->rtc, &trig_info->task, 1); - } else if (val == 0) { - ret = rtc_irq_set_state(trig_info->rtc, &trig_info->task, 0); } else - ret = -EINVAL; + ret = rtc_irq_set_state(trig_info->rtc, &trig_info->task, 0); if (ret) goto error_ret; @@ -126,7 +124,7 @@ static int iio_trig_periodic_rtc_probe(struct platform_device *dev) int i, ret; for (i = 0;; i++) { - if (pdata[i] == NULL) + if (!pdata[i]) break; trig = iio_trigger_alloc("periodic%s", pdata[i]); if (!trig) { @@ -144,7 +142,7 @@ static int iio_trig_periodic_rtc_probe(struct platform_device *dev) trig->ops = &iio_prtc_trigger_ops; /* RTC access */ trig_info->rtc = rtc_class_open(pdata[i]); - if (trig_info->rtc == NULL) { + if (!trig_info->rtc) { ret = -EINVAL; goto error_free_trig_info; } |