linux-kernel - Re: [PATCH 09/13] arm: milbeaut: remove select of non-existing PINCTRL

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Date:   Mon, 1 Nov 2021 22:53:40 +0900
From:   Sugaya Taichi <sugaya.taichi@...ionext.com>
To:     Arnd Bergmann <arnd@...db.de>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>
Cc:     Russell King <linux@...linux.org.uk>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Sekhar Nori <nsekhar@...com>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Linus Walleij <linusw@...nel.org>,
        Imre Kaloz <kaloz@...nwrt.org>,
        Krzysztof Halasa <khalasa@...p.pl>,
        Avi Fishman <avifishman70@...il.com>,
        Tomer Maimon <tmaimon77@...il.com>,
        Tali Perry <tali.perry1@...il.com>,
        Patrick Venture <venture@...gle.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Benjamin Fair <benjaminfair@...gle.com>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
        kernel-janitors@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Takao Orito <orito.takao@...ionext.com>,
        Jassi Brar <jaswinder.singh@...aro.org>
Subject: Re: [PATCH 09/13] arm: milbeaut: remove select of non-existing
 PINCTRL_MILBEAUT



On 2021/10/28 23:55, Arnd Bergmann wrote:
> On Thu, Oct 28, 2021 at 4:19 PM Lukas Bulwahn <lukas.bulwahn@...il.com> wrote:
>>
>> The patch series "Add basic support for Socionext Milbeaut M10V SoC" (see
>> Link) introduced the config ARCH_MILBEAUT_M10V "Milbeaut SC2000/M10V
>> platform" in ./arch/arm/mach-milbeaut/ and intended to introduce timer,
>> clock, pinctrl and serial controller drivers.
>>
>> However, during patch submission in March 2019, the introduction of the
>> milbeaut pinctrl driver was dropped from v2 to v3 of the patch series.
>> Since then, there was no further patch series to add this pinctrl driver
>> later on.
>>
>> Hence, selecting PINCTRL_MILBEAUT in config is simply dangling and
>> referring to a non-existing config symbols.
>> Fortunately, ./scripts/checkkconfigsymbols.py warns:
>>
>> PINCTRL_MILBEAUT
>> Referencing files: arch/arm/mach-milbeaut/Kconfig
>>
>> Remove this select of the non-existing PINCTRL_MILBEAUT for now.
>>
>> Link: https://lore.kernel.org/linux-arm-kernel/1551243056-10521-1-git-send-email-sugaya.taichi@socionext.com/
>>
>> Signed-off-by: Lukas Bulwahn <lukas.bulwahn@...il.com>
> 
> I would take that as an indication that there is no interest in supporting this
> platform upstream any more, the version we merged probably never worked
> without the rest of the drivers.
> 
> I've added the original authors of the other drivers to Cc. Should we remove
> all of this?
> 
>          Arnd
> 

It is okay to drop PINCTRL_MILBEAUT. I will add it again when working at the pinctrl
driver. But don`t remove the milbeaut platform. Actually we haven't been doing
maintenance recently, but we have plans to add drivers in the future.

Thanks,
Taichi Sugaya