Let the platform's Kconfig to select the clock instead of having a reverse
dependency from the driver to the platform options.

Add the COMPILE_TEST option for the compilation test coverage. Due to the
non portable 'delay' code, this driver is only compilable on ARM.

Signed-off-by: Daniel Lezcano <daniel.lezc...@linaro.org>
Tested-by: Krzysztof Kozlowski <k.kozlow...@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlow...@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.c...@samsung.com>
---
 arch/arm/mach-exynos/Kconfig | 1 +
 drivers/clocksource/Kconfig  | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 3a10f1a..ff10539 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -27,6 +27,7 @@ menuconfig ARCH_EXYNOS
        select SRAM
        select THERMAL
        select MFD_SYSCON
+       select CLKSRC_EXYNOS_MCT
        help
          Support for SAMSUNG EXYNOS SoCs (EXYNOS4/5)
 
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index e3ba5b4..2062783 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -231,8 +231,8 @@ config CLKSRC_METAG_GENERIC
          This option enables support for the Meta per-thread timers.
 
 config CLKSRC_EXYNOS_MCT
-       def_bool y if ARCH_EXYNOS
-       depends on !ARM64
+       bool "Exynos multi core timer driver" if COMPILE_TEST
+       depends on ARM
        help
          Support for Multi Core Timer controller on Exynos SoCs.
 
-- 
1.9.1

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