diff options
Diffstat (limited to 'drivers/rtc/rtc-renesas-rtca3.c')
| -rw-r--r-- | drivers/rtc/rtc-renesas-rtca3.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/rtc/rtc-renesas-rtca3.c b/drivers/rtc/rtc-renesas-rtca3.c index a056291d3887..ab816bdf0d77 100644 --- a/drivers/rtc/rtc-renesas-rtca3.c +++ b/drivers/rtc/rtc-renesas-rtca3.c @@ -586,17 +586,14 @@ static int rtca3_initial_setup(struct clk *clk, struct rtca3_priv *priv) */ usleep_range(sleep_us, sleep_us + 10); - /* Disable all interrupts. */ - mask = RTCA3_RCR1_AIE | RTCA3_RCR1_CIE | RTCA3_RCR1_PIE; - ret = rtca3_alarm_irq_set_helper(priv, mask, 0); - if (ret) - return ret; - mask = RTCA3_RCR2_START | RTCA3_RCR2_HR24; val = readb(priv->base + RTCA3_RCR2); - /* Nothing to do if already started in 24 hours and calendar count mode. */ - if ((val & mask) == mask) - return 0; + /* Only disable the interrupts if already started in 24 hours and calendar count mode. */ + if ((val & mask) == mask) { + /* Disable all interrupts. */ + mask = RTCA3_RCR1_AIE | RTCA3_RCR1_CIE | RTCA3_RCR1_PIE; + return rtca3_alarm_irq_set_helper(priv, mask, 0); + } /* Reconfigure the RTC in 24 hours and calendar count mode. */ mask = RTCA3_RCR2_START | RTCA3_RCR2_CNTMD; |