PCF2127_BIT_CTRL3_BLF indicates the battery is low and needs to be replaced soon. Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> --- drivers/rtc/rtc-pcf2127.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c index 5d8ea9ffd05b..5ac996578523 100644 --- a/drivers/rtc/rtc-pcf2127.c +++ b/drivers/rtc/rtc-pcf2127.c @@ -197,11 +197,9 @@ static int pcf2127_rtc_ioctl(struct device *dev, if (ret) return ret; - touser = touser & PCF2127_BIT_CTRL3_BLF ? 1 : 0; + touser = touser & PCF2127_BIT_CTRL3_BLF ? RTC_VL_BACKUP_LOW : 0; - if (copy_to_user((void __user *)arg, &touser, sizeof(int))) - return -EFAULT; - return 0; + return put_user(touser, (unsigned int __user *)arg); default: return -ENOIOCTLCMD; } -- 2.23.0