linux-kernel - Re: [PATCH v3 1/5] platform: Add Surface platform directory

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Message-ID: <a76d53a7-4489-fac2-443b-2dfccc2ea802@redhat.com>
Date:   Thu, 8 Oct 2020 21:43:27 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Maximilian Luz <luzmaximilian@...il.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Platform Driver <platform-driver-x86@...r.kernel.org>,
        Darren Hart <dvhart@...radead.org>,
        Mark Gross <mgross@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Gayatri Kammela <gayatri.kammela@...el.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Blaž Hrastnik <blaz@...n.io>,
        Stephen Just <stephenjust@...il.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Chen Yu <yu.c.chen@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/5] platform: Add Surface platform directory

Hi,

On 10/8/20 5:18 PM, Maximilian Luz wrote:
> On 10/8/20 4:52 PM, Andy Shevchenko wrote:
>> On Thu, Oct 8, 2020 at 5:35 PM Maximilian Luz <luzmaximilian@...il.com> wrote:
>>>
>>> It may make sense to split the Microsoft Surface hardware platform
>>> drivers out to a separate subdirectory, since some of it may be shared
>>> between ARM and x86 in the future (regarding devices like the Surface
>>> Pro X).
>>>
>>> Further, newer Surface devices will require additional platform drivers
>>> for fundamental support (mostly regarding their embedded controller),
>>> which may also warrant this split from a size perspective.
>>>
>>> This commit introduces a new platform/surface subdirectory for the
>>> Surface device family, with subsequent commits moving existing Surface
>>> drivers over from platform/x86.
>>>
>>> A new MAINTAINERS entry is added for this directory. Patches to files in
>>> this directory will be taken up by the platform-drivers-x86 team (i.e.
>>> Hans de Goede and Mark Gross) after they have been reviewed by
>>> Maximilian Luz.
>>
>> Thanks for the patch, my minor comments below.
>>
>> ...
>>
>>> +MICROSOFT SURFACE PLATFORM DRIVERS
>>
>> (1)
>>
>>> +M:     Hans de Goede <hdegoede@...hat.com>
>>> +M:     Mark Gross <mgross@...ux.intel.com>
>>> +M:     Maximilian Luz <luzmaximilian@...il.com>
>>> +L:     platform-driver-x86@...r.kernel.org
>>> +S:     Maintained
>>
>>> +T:     git git://git.infradead.org/linux-platform-drivers-x86.git
>>
>> It's now on kernel.org.
>> git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
> 
> Thank you, will update this. FYI: The entry was mostly copied from the
> X86 PLATFORM DRIVERS entry, so it should probably be updated there, too.

That is a good point I've pushed a commit fixing this to the for-next
branch of: git://git.infradead.org/linux-platform-drivers-x86.git

Please base the next version of this patch-set on top of that.

Regards,

Hans



> 
>>> +F:     drivers/platform/surface/
>>
>>> @@ -9,3 +9,4 @@ obj-$(CONFIG_MIPS)              += mips/
>>>   obj-$(CONFIG_OLPC_EC)          += olpc/
>>>   obj-$(CONFIG_GOLDFISH)         += goldfish/
>>>   obj-$(CONFIG_CHROME_PLATFORMS) += chrome/
>>> +obj-$(CONFIG_SURFACE_PLATFORM) += surface/
>>
>> (2)
>>
>>> +menuconfig SURFACE_PLATFORM
>>
>> (3a)
>>
>>> +if SURFACE_PLATFORM
>>
>> (3b)
>>
>>> +endif # SURFACE_PLATFORM
>>
>> (3c)
>>
>> I think in (1), (2) and (3) it makes sense to mimic Chrome, i.e. use
>> plural: PLATFORMS.
> 
> I agree with (2) and (3), but I'm not so sure about (1). For Chrome, the
> entry is CHROME HARDWARE PLATFORM SUPPORT, so should I change it to
> MICROSOFT SURFACE HARDWARE PLATFORM SUPPORT?
> 
> Thanks,
> Max
>