1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index e069f176a82d..19c03ab2bdcb 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -59,6 +59,7 @@ comment "RTC interfaces"
 config RTC_INTF_SYSFS
         boolean "/sys/class/rtc/rtcN (sysfs)"
         depends on SYSFS
+        default RTC_CLASS
         help
           Say yes here if you want to use your RTCs using sysfs interfaces,
           /sys/class/rtc/rtc0 through /sys/.../rtcN.
@@ -68,6 +69,7 @@ config RTC_INTF_SYSFS
 config RTC_INTF_PROC
         boolean "/proc/driver/rtc (procfs for rtcN)"
         depends on PROC_FS
+        default RTC_CLASS
         help
           Say yes here if you want to use your system clock RTC through
           the proc interface, /proc/driver/rtc.
@@ -79,6 +81,7 @@ config RTC_INTF_PROC
 
 config RTC_INTF_DEV
         boolean "/dev/rtcN (character devices)"
+        default RTC_CLASS
         help
           Say yes here if you want to use your RTCs using the /dev
           interfaces, which "udev" sets up as /dev/rtc0 through