Merge branch 'fortglx/3.9/time' of git://git.linaro.org/people/jstultz/linux into...

[linux.git] / drivers / rtc / Kconfig

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 923a9da9c829d7be9a3fe95bac77b0b7e4431de6..5e44eaabf45753f11cbfecb87d72627d56985606 100644 (file)
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -20,14 +20,24 @@ if RTC_CLASS
 config RTC_HCTOSYS
        bool "Set system time from RTC on startup and resume"
        default y
+       depends on !ALWAYS_USE_PERSISTENT_CLOCK
        help
          If you say yes here, the system time (wall clock) will be set using
          the value read from a specified RTC device. This is useful to avoid
          unnecessary fsck runs at boot time, and to network better.
 
+config RTC_SYSTOHC
+       bool "Set the RTC time based on NTP synchronization"
+       default y
+       depends on !ALWAYS_USE_PERSISTENT_CLOCK
+       help
+         If you say yes here, the system time (wall clock) will be stored
+         in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
+         minutes if userspace reports synchronized NTP status.
+
 config RTC_HCTOSYS_DEVICE
        string "RTC used to set the system time"
-       depends on RTC_HCTOSYS = y
+       depends on RTC_HCTOSYS = y || RTC_SYSTOHC = y
        default "rtc0"
        help
          The RTC device that will be used to (re)initialize the system