Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH v1 0/3] Support building gpio-tegra driver as loadable
 module
To:     Linus Walleij <linus.walleij@linaro.org>
Cc:     Thierry Reding <thierry.reding@gmail.com>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        Laxman Dewangan <ldewangan@nvidia.com>,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>,
        linux-tegra <linux-tegra@vger.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
References: <20210122185543.16554-1-digetx@gmail.com>
 <CACRpkdZTyBuz240iYuvi91k3dLKKXX=4DNxFEBP7mSNB58XtDw@mail.gmail.com>
From:   Dmitry Osipenko <digetx@gmail.com>
Message-ID: <24d46928-8c57-acba-f9cf-49afbe4c983c@gmail.com>
Date:   Sun, 24 Jan 2021 02:56:13 +0300
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101
 Thunderbird/78.4.2
MIME-Version: 1.0
In-Reply-To: <CACRpkdZTyBuz240iYuvi91k3dLKKXX=4DNxFEBP7mSNB58XtDw@mail.gmail.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 8bit
Precedence: bulk

24.01.2021 01:50, Linus Walleij пишет:
> On Fri, Jan 22, 2021 at 7:59 PM Dmitry Osipenko <digetx@gmail.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@linaro.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.