This is a note to let you know that I've just added the patch titled rtc: pcf85063: Fix reading alarm to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rtc-pcf85063-fix-reading-alarm.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit c00813f737defbb10e96ef9246e2aa13b4cc3f0a Author: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> Date: Wed Sep 21 09:41:41 2022 +0200 rtc: pcf85063: Fix reading alarm [ Upstream commit a6ceee26fd5ed9b5bd37322b1ca88e4548cee4a3 ] If the alarms are disabled the topmost bit (AEN_*) is set in the alarm registers. This is also interpreted in BCD number leading to this warning: rtc rtc0: invalid alarm value: 2022-09-21T80:80:80 Fix this by masking alarm enabling and reserved bits. Fixes: 05cb3a56ee8c ("rtc: pcf85063: add alarm support") Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20220921074141.3903104-1-alexander.stein@xxxxxxxxxxxxxxx Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c index 095891999da1..99f9cc57c7b3 100644 --- a/drivers/rtc/rtc-pcf85063.c +++ b/drivers/rtc/rtc-pcf85063.c @@ -169,10 +169,10 @@ static int pcf85063_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) if (ret) return ret; - alrm->time.tm_sec = bcd2bin(buf[0]); - alrm->time.tm_min = bcd2bin(buf[1]); - alrm->time.tm_hour = bcd2bin(buf[2]); - alrm->time.tm_mday = bcd2bin(buf[3]); + alrm->time.tm_sec = bcd2bin(buf[0] & 0x7f); + alrm->time.tm_min = bcd2bin(buf[1] & 0x7f); + alrm->time.tm_hour = bcd2bin(buf[2] & 0x3f); + alrm->time.tm_mday = bcd2bin(buf[3] & 0x3f); ret = regmap_read(pcf85063->regmap, PCF85063_REG_CTRL2, &val); if (ret)