rtc: rv3028: 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/20191214220259.621996-13-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-rv3028.c b/drivers/rtc/rtc-rv3028.c
index 6b7b3a6..d1a2c22 100644 (file)
--- a/drivers/rtc/rtc-rv3028.c
+++ b/drivers/rtc/rtc-rv3028.c
@@ -438,12 +438,6 @@ static int rv3028_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
 
                return 0;
 
-       case RTC_VL_CLR:
-               ret = regmap_update_bits(rv3028->regmap, RV3028_STATUS,
-                                        RV3028_STATUS_PORF, 0);
-
-               return ret;
-
        default:
                return -ENOIOCTLCMD;
        }