RV3028_STATUS_PORF means the voltage dropped too low and data has been lost. Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> --- drivers/rtc/rtc-rv3028.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/drivers/rtc/rtc-rv3028.c b/drivers/rtc/rtc-rv3028.c index d1a2c22861f2..a0ddc86c975a 100644 --- a/drivers/rtc/rtc-rv3028.c +++ b/drivers/rtc/rtc-rv3028.c @@ -428,15 +428,8 @@ static int rv3028_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) if (ret < 0) return ret; - if (status & RV3028_STATUS_PORF) - dev_warn(&rv3028->rtc->dev, "Voltage low, data loss detected.\n"); - - status &= RV3028_STATUS_PORF; - - if (copy_to_user((void __user *)arg, &status, sizeof(int))) - return -EFAULT; - - return 0; + status = status & RV3028_STATUS_PORF ? RTC_VL_DATA_INVALID : 0; + return put_user(status, (unsigned int __user *)arg); default: return -ENOIOCTLCMD; -- 2.23.0
