rtc: pcf85063: remove RTC_VL_CLR handling

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.

Link: https://lore.kernel.org/r/20191214220259.621996-11-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c
index 1afa6d9fa9fb26126a0ad6691f7f9765a36bab71..2ddd95420a8c5a7c7863e5c009d1e7a9c2a2f8ee 100644 (file)
--- a/drivers/rtc/rtc-pcf85063.c
+++ b/drivers/rtc/rtc-pcf85063.c
@@ -299,12 +299,6 @@ static int pcf85063_ioctl(struct device *dev, unsigned int cmd,
 
                return 0;
 
-       case RTC_VL_CLR:
-               ret = regmap_update_bits(pcf85063->regmap, PCF85063_REG_SC,
-                                        PCF85063_REG_SC_OS, 0);
-
-               return ret;
-
        default:
                return -ENOIOCTLCMD;
        }