Re: [PATCH 20/22] clocksource/drivers/exynos_mct: Fix Kconfig and add COMPILE_TEST option

[Krzysztof Kozlowski]

On 02.11.2015 21:56, Daniel Lezcano wrote:
> Let the platform's Kconfig to select the clock instead of having a reverse
> dependency from the driver to the platform options.

Selecting user-visible symbols is rather discouraged so why not
something like this:

-       def_bool y if ARCH_EXYNOS
-       depends on !ARM64
+       bool "Exynos multi core timer driver"
+       depends on ARCH_EXYNOS || (COMPILE_TEST && ARM)

Best regards,
Krzysztof

> 
> 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.lezcano@xxxxxxxxxx>
> ---
>  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 916c36d..d829cbe 100644
> --- a/drivers/clocksource/Kconfig
> +++ b/drivers/clocksource/Kconfig
> @@ -213,8 +213,8 @@ 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.
>  
> 

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