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(parent: 2cb5e47) | patch
rtc: pcf8523: don't return invalid date when battery is low
authorBaruch Siach <baruch@tkos.co.il>
Wed, 5 Dec 2018 15:00:09 +0000 (17:00 +0200)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Mon, 10 Dec 2018 23:46:53 +0000 (00:46 +0100)
commitecb4a353d3afd45b9bb30c85d03ee113a0589079
treef4a4f4047b3a8cfa6c82d104baefc0f1599db5bctree | snapshot
parent2cb5e4743ab52d3a43ef25f229f6770fd9ca0065commit | diff
rtc: pcf8523: don't return invalid date when battery is low

The RTC_VL_READ ioctl reports the low battery condition. Still,
pcf8523_rtc_read_time() happily returns invalid dates in this case.
Check the battery health on pcf8523_rtc_read_time() to avoid that.

Reported-by: Erik Čuk <erik.cuk@domel.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
drivers/rtc/rtc-pcf8523.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)