PCF85063_REG_SC_OS means the voltage dropped too low and data has been lost. Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> --- drivers/rtc/rtc-pcf85063.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c index 2ddd95420a8c..1db17ba1fc64 100644 --- a/drivers/rtc/rtc-pcf85063.c +++ b/drivers/rtc/rtc-pcf85063.c @@ -289,15 +289,9 @@ static int pcf85063_ioctl(struct device *dev, unsigned int cmd, if (ret < 0) return ret; - if (status & PCF85063_REG_SC_OS) - dev_warn(&pcf85063->rtc->dev, "Voltage low, data loss detected.\n"); + status = status & PCF85063_REG_SC_OS ? RTC_VL_DATA_INVALID : 0; - status &= PCF85063_REG_SC_OS; - - if (copy_to_user((void __user *)arg, &status, sizeof(int))) - return -EFAULT; - - return 0; + return put_user(status, (unsigned int __user *)arg); default: return -ENOIOCTLCMD; -- 2.23.0
