Messages in this thread Patch in this message | | | From | Alexandre Belloni <> | Subject | [PATCH 06/17] rtc: pcf8563: remove RTC_VL_CLR handling | Date | Sat, 14 Dec 2019 23:02:48 +0100 |
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Remove RTC_VL_CLR handling because it is a disservice to userspace as it removes the important information that the RTC data is invalid. This may lead userspace to set an invalid system time later on.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> --- drivers/rtc/rtc-pcf8563.c | 15 --------------- 1 file changed, 15 deletions(-)
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c index 3c322f3079b0..c701eef82349 100644 --- a/drivers/rtc/rtc-pcf8563.c +++ b/drivers/rtc/rtc-pcf8563.c @@ -291,21 +291,6 @@ static int pcf8563_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long sizeof(int))) return -EFAULT; return 0; - case RTC_VL_CLR: - /* - * Clear the VL bit in the seconds register in case - * the time has not been set already (which would - * have cleared it). This does not really matter - * because of the cached voltage_low value but do it - * anyway for consistency. - */ - if (pcf8563_rtc_read_time(dev, &tm)) - pcf8563_rtc_set_time(dev, &tm); - - /* Clear the cached value. */ - pcf8563->voltage_low = 0; - - return 0; default: return -ENOIOCTLCMD; } -- 2.23.0
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