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From: Biwen Li <biwen.li@nxp.com>
To: a.zummo@towertech.it, alexandre.belloni@bootlin.com, leoyang.li@nxp.com
Cc: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Biwen Li <biwen.li@nxp.com>
Subject: rtc: pcf85363/pcf85263: fix error that failed to run hwclock -w
Date: Wed, 14 Aug 2019 17:32:49 +0800	[thread overview]
Message-ID: <20190814093249.40065-1-biwen.li@nxp.com> (raw)

Issue:
    # hwclock -w
    hwclock: RTC_SET_TIME: Invalid argument

The patch fixes error when run command hwclock -w
with rtc pcf85363/pcf85263

Signed-off-by: Biwen Li <biwen.li@nxp.com>
---
 drivers/rtc/rtc-pcf85363.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-pcf85363.c b/drivers/rtc/rtc-pcf85363.c
index a075e77617dc..3450d615974d 100644
--- a/drivers/rtc/rtc-pcf85363.c
+++ b/drivers/rtc/rtc-pcf85363.c
@@ -166,7 +166,12 @@ static int pcf85363_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	buf[DT_YEARS] = bin2bcd(tm->tm_year % 100);
 
 	ret = regmap_bulk_write(pcf85363->regmap, CTRL_STOP_EN,
-				tmp, sizeof(tmp));
+				tmp, 2);
+	if (ret)
+		return ret;
+
+	ret = regmap_bulk_write(pcf85363->regmap, DT_100THS,
+				buf, sizeof(tmp) - 2);
 	if (ret)
 		return ret;
 
-- 
2.17.1


             reply	other threads:[~2019-08-14  9:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-14  9:32 Biwen Li [this message]
2019-08-14 10:09 ` rtc: pcf85363/pcf85263: fix error that failed to run hwclock -w Alexandre Belloni
2019-08-15  4:20   ` [EXT] " Biwen Li
2019-08-14 18:39 ` Leo Li
2019-08-15  4:14   ` Biwen Li
2019-08-15 18:01     ` Leo Li
2019-08-16  2:40       ` Biwen Li

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