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-rw-r--r--drivers/rtc/Kconfig6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 123092d8a98..165a8184335 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -102,9 +102,13 @@ config RTC_INTF_DEV_UIE_EMUL
depends on RTC_INTF_DEV
help
Provides an emulation for RTC_UIE if the underlying rtc chip
- driver does not expose RTC_UIE ioctls. Those requests generate
+ driver does not expose RTC_UIE ioctls. Those requests generate
once-per-second update interrupts, used for synchronization.
+ The emulation code will read the time from the hardware
+ clock several times per second, please enable this option
+ only if you know that you really need it.
+
config RTC_DRV_TEST
tristate "Test driver/device"
help