linux-kernel - Re: [PATCH v1 0/3] Support building gpio-tegra driver as loadable module

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Date:   Sun, 24 Jan 2021 02:56:13 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-tegra <linux-tegra@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 0/3] Support building gpio-tegra driver as loadable
 module

24.01.2021 01:50, Linus Walleij пишет:
> On Fri, Jan 22, 2021 at 7:59 PM Dmitry Osipenko <digetx@...il.com> wrote:
> 
>> This small series adds modularization support to the gpio-tegra driver,
>> i.e. driver now could be built as a loadable kernel module.
>>
>> Dmitry Osipenko (3):
>>   gpio: tegra: Use debugfs_create_devm_seqfile()
>>   gpio: tegra: Clean up whitespaces in tegra_gpio_driver
>>   gpio: tegra: Support building driver as a loadable module
> 
> As these three patches clearly make the kernel look better after
> than before:
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> 
> However when we are doing this I would strongly encourage you
> to also make a patch implementing remove() so you can insmod
> rmmod the module at runtime.

The remove() is optional for drivers, it doesn't prevent the rmmod.