linux-kernel - Re: [PATCH] power: supply: Add dependency to lego-ev3-battery Kconfig options

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Message-ID: <0927eaf0-62d6-adaf-c4b0-89d7f4cc7b4a@lechnology.com>
Date:   Wed, 12 Aug 2020 14:12:57 -0500
From:   David Lechner <david@...hnology.com>
To:     Alex Dewar <alex.dewar90@...il.com>
Cc:     Sebastian Reichel <sre@...nel.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Sekhar Nori <nsekhar@...com>,
        Bartosz Go??aszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH] power: supply: Add dependency to lego-ev3-battery Kconfig
 options

On 8/12/20 2:02 PM, Alex Dewar wrote:
> On Wed, Aug 12, 2020 at 10:24:30AM -0500, David Lechner wrote:
>> On 8/12/20 8:37 AM, Alex Dewar wrote:
>>> On Tue, Aug 11, 2020 at 09:24:10AM -0500, David Lechner wrote:
>>>> On 8/9/20 1:54 PM, Alex Dewar wrote:
>>>>> This battery appears only to be used by a single board (DA850), so it
>>>>> makes sense to add this to the Kconfig file so that users don't build
>>>>> the module unnecessarily. It currently seems to be built for the x86
>>>>> Arch Linux kernel where it's probably not doing much good.
>>>>
>>>> It would probably also make sense to add "default n" since it only
>>>> applies to one board in the entire arch.
>>>
>>> Ah ok. That makes sense. Would you like me to send a follow-on patch for
>>> this?
>>
>> You can just send a v2 patch that includes the change below and the
>> additional change.
> 
> I've just had a look at the documentation[1] and it seems that as there's
> no "default y" there it'll default to n anyway. Have I got that right?
> 
> [1] https://www.kernel.org/doc/html/latest/kbuild/kconfig-language.html#menu-attributes
> 

Yes, that seems right. That makes me wonder why this would have been enabled in
the Arch Linux kernel for x86 then.