linux-kernel - [PATCH 13/29] rtc: pcf85063: set RTC_FEATURE_ALARM_RES

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Message-Id: <20220309162301.61679-13-alexandre.belloni@bootlin.com>
Date:   Wed,  9 Mar 2022 17:22:44 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 13/29] rtc: pcf85063: set RTC_FEATURE_ALARM_RES_2S

The PCF85063 doesn't support UIE because setting an alarm to fire every
second confuses the chip and the fastest we can go is an alarm every 2
seconds.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-pcf85063.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c
index 3c2477454063..9760824ec199 100644
--- a/drivers/rtc/rtc-pcf85063.c
+++ b/drivers/rtc/rtc-pcf85063.c
@@ -616,6 +616,7 @@ static int pcf85063_probe(struct i2c_client *client)
 	pcf85063->rtc->ops = &pcf85063_rtc_ops;
 	pcf85063->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
 	pcf85063->rtc->range_max = RTC_TIMESTAMP_END_2099;
+	set_bit(RTC_FEATURE_ALARM_RES_2S, pcf85063->rtc->features);
 	clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, pcf85063->rtc->features);
 	clear_bit(RTC_FEATURE_ALARM, pcf85063->rtc->features);
 
-- 
2.35.1