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

From: Mike Waychison
Date: Thu Jan 23 2014 - 16:41:01 EST


On Thu, Jan 23, 2014 at 1:36 PM, David Rientjes <rientjes@xxxxxxxxxx> wrote:
> 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>

Acked-by: Mike Waychison <mikew@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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