Re: [PATCH 4/6] ARM: s3c24xx: don't select RFKILL if CONFIG_NET is disabled

From: Krzysztof Kozlowski
Date: Sun Jan 31 2016 - 19:59:59 EST


On 29.01.2016 23:50, Arnd Bergmann wrote:
> Bluetooth is only supported when network support is part of the kernel,
> so it is a bit pointless to build the hi1940-bt support without networking.
> If we try anyway, we get a Kconfig warning:
>
> warning: (TOSA_BT && H1940BT) selects RFKILL which has unmet direct dependencies (NET)
>
> This adds a dependency on CONFIG_NET to avoid that case.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> arch/arm/mach-s3c24xx/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig
> index 5884bbb7952e..bf66c8334822 100644
> --- a/arch/arm/mach-s3c24xx/Kconfig
> +++ b/arch/arm/mach-s3c24xx/Kconfig
> @@ -227,7 +227,7 @@ config ARCH_H1940
>
> config H1940BT
> tristate "Control the state of H1940 bluetooth chip"
> - depends on ARCH_H1940
> + depends on ARCH_H1940 && NET
> select RFKILL
> help
> This is a simple driver that is able to control

I think there shouldn't be a reverse dependency for RFKILL but instead just:
depends on ARCH_H1940 && RFKILL
This makes it simpler and RFKILL is a user-visible symbol.

Best regards,
Krzysztof