RTC: Remove Kconfig symbol for UIE emulation

[firefly-linux-kernel-4.4.55.git] / drivers / rtc / Kconfig

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 4941cade319f5cef06d508d0b1f1354d951c1034..cdd97192dc693cc84d075e24af1450ba5aebd2e5 100644 (file)
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -97,18 +97,6 @@ config RTC_INTF_DEV
 
          If unsure, say Y.
 
-config RTC_INTF_DEV_UIE_EMUL
-       bool "RTC UIE emulation on dev interface"
-       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
-         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