Re: [PATCH v8 09/16] clockevents/drivers: Add STM32 Timer driver

[Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>]

2015-05-19 16:50 GMT+02:00 Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>:
>
> config CLKSRC_STM32
>         bool "Clocksource for STM32 SoCs" if COMPILE_TEST
>         depends on OF
>         select CLKSRC_MMIO
>
> This permits CLKSRC_STM32 to be selected by STM32 (provided OF is enabled,
> it's always going to be for that case, right?) while allowing the option
> to be visible when both OF!=n and COMPILE_TEST!=n.

Yes OF is always enabled when STM32.

So it fits our needs, as we only want the option to be visible when
both OF!=n and COMPILE_TEST!=n.

>
> Remember,
>
>         bool "string" if <condition-affects-visibility-of-string>
>         depends on <condition-affects-config-symbol-availability>
>
> The former merely hides the option from the user _if_ the condition fails.
> The latter _disables_ the option completely (except if you try and select
> it, at which point you end up with a Kconfig warning about that.)

Thanks for the reminder!
Maxime
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