clocksource: time-efm32: Select CLKSRC_MMIO

The time-efm32 driver uses the clocksource MMIO functions.
Thus it needs to select CLKSRC_MMIO in Kconfig.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 5c07a56..634c4d6 100644 (file)
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -75,6 +75,7 @@ config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
 config CLKSRC_EFM32
        bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
        depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
+       select CLKSRC_MMIO
        default ARCH_EFM32
        help
          Support to use the timers of EFM32 SoCs as clock source and clock