linux-kernel - Re: [PATCH 2/2] Input: cs40l50 - Initial support for Cirrus Logic CS40L50

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Message-ID: <3f406442-d46e-7f9e-426d-22a96f893103@linaro.org>
Date:   Thu, 10 Aug 2023 08:12:41 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     James Ogletree <James.Ogletree@...rus.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Fred Treven <Fred.Treven@...rus.com>,
        Ben Bright <Ben.Bright@...rus.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
        Peng Fan <peng.fan@....com>, Jean Delvare <jdelvare@...e.de>,
        Jeff LaBundy <jeff@...undy.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Arnd Bergmann <arnd@...db.de>,
        Eddie James <eajames@...ux.ibm.com>,
        Jacky Bai <ping.bai@....com>,
        Markus Schneider-Pargmann <msp@...libre.com>,
        ChiYuan Huang <cy_huang@...htek.com>,
        Jerome Neanne <jneanne@...libre.com>,
        "patches@...rus.com" <patches@...rus.com>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] Input: cs40l50 - Initial support for Cirrus Logic
 CS40L50

On 09/08/2023 20:02, James Ogletree wrote:
>>> + if (cs40l50->vibe_workqueue) {
>>> + flush_workqueue(cs40l50->vibe_workqueue);
>>> + destroy_workqueue(cs40l50->vibe_workqueue);
>>> + }
>>> +
>>> + gpiod_set_value_cansleep(cs40l50->reset_gpio, 1);
>>> + regulator_bulk_disable(ARRAY_SIZE(cs40l50_supplies), cs40l50_supplies);
>>> +
>>> + return 0;
>>> +}
>>> +EXPORT_SYMBOL_GPL(cs40l50_remove);
>>> +
>>> +MODULE_DESCRIPTION("CS40L50 Advanced Haptic Driver");
>>> +MODULE_AUTHOR("James Ogletree, Cirrus Logic Inc. <james.ogletree@...rus.com>");
>>> +MODULE_LICENSE("GPL");
>>
>> I don't think this is a module.
> 
> It can be compiled as a module with CONFIG_INPUT_CS40L50=m. However, there is a
> typo in the Kconfig entry description: the module will be called “cs40l50” not “cs40l50-core”.
> That will be fixed. 

Really, *this* unit file can be compiled as module? Where is the
module_xxx_driver() then?

Best regards,
Krzysztof