rtc: s35390a: improve two comments in .set_alarm

Be more explicit in some comments.

Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

diff --git a/drivers/rtc/rtc-s35390a.c b/drivers/rtc/rtc-s35390a.c
index d5b572266a72aae41f71f9596e684ebd081bf7ec..5dab4665ca3bd2c488fd4548f15fce3945bb6fad 100644 (file)
--- a/drivers/rtc/rtc-s35390a.c
+++ b/drivers/rtc/rtc-s35390a.c
@@ -266,12 +266,12 @@ static int s35390a_set_alarm(struct i2c_client *client, struct rtc_wkalrm *alm)
                alm->time.tm_min, alm->time.tm_hour, alm->time.tm_mday,
                alm->time.tm_mon, alm->time.tm_year, alm->time.tm_wday);
 
-       /* disable interrupt */
+       /* disable interrupt (which deasserts the irq line) */
        err = s35390a_set_reg(s35390a, S35390A_CMD_STATUS2, &sts, sizeof(sts));
        if (err < 0)
                return err;
 
-       /* clear pending interrupt, if any */
+       /* clear pending interrupt (in STATUS1 only), if any */
        err = s35390a_get_reg(s35390a, S35390A_CMD_STATUS1, &sts, sizeof(sts));
        if (err < 0)
                return err;