Re: [PATCH] firmware/google: drop 'select EFI' to avoid recursivedependency

[David Rientjes]

On Thu, 23 Jan 2014, Ard Biesheuvel wrote:

> The GOOGLE_SMI Kconfig symbol depends on DMI and selects EFI. This
> causes problems on other archs when introducing DMI support that
> depends on EFI, as it results in a recursive dependency:
> 
> arch/arm/Kconfig:1845:error: recursive dependency detected!
> arch/arm/Kconfig:1845:	symbol DMI depends on EFI
> 
> Fix by changing the 'select EFI' to a 'depends on EFI'.
> 
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> ---
>  drivers/firmware/google/Kconfig | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/firmware/google/Kconfig b/drivers/firmware/google/Kconfig
> index 2f21b0bfe653..29c8cdda82a1 100644
> --- a/drivers/firmware/google/Kconfig
> +++ b/drivers/firmware/google/Kconfig
> @@ -12,8 +12,7 @@ menu "Google Firmware Drivers"
>  
>  config GOOGLE_SMI
>  	tristate "SMI interface for Google platforms"
> -	depends on ACPI && DMI
> -	select EFI
> +	depends on ACPI && DMI && EFI
>  	select EFI_VARS
>  	help
>  	  Say Y here if you want to enable SMI callbacks for Google

Adding Mike Waychison <mikew@xxxxxxxxxx> to the cc since this is his code, 
but it looks good to me.

$ ./scripts/get_maintainer.pl -f drivers/firmware/google/Kconfig
linux-kernel@xxxxxxxxxxxxxxx (open list)

I wonder why he's not listed as a recipient for patches from 
get_maintainer.pl since it's clearly obvious he wrote the entire file.
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