linux-kernel - Re: [PATCH 1/6] thermal: Introduce devm_thermal_of_cooling_device

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Message-ID: <c8a26b7d-2775-e13f-21b7-dbc901ea3b0b@linaro.org>
Date:   Fri, 3 May 2019 10:04:39 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Guenter Roeck <linux@...ck-us.net>, linux-hwmon@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        openbmc@...ts.ozlabs.org, linux-pm@...r.kernel.org
Cc:     Jean Delvare <jdelvare@...e.com>, Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        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>,
        Kamil Debski <kamil@...as.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>
Subject: Re: [PATCH 1/6] thermal: Introduce
 devm_thermal_of_cooling_device_register

On 01/05/2019 18:48, Guenter Roeck wrote:
> On Thu, Apr 18, 2019 at 12:58:15PM -0700, Guenter Roeck wrote:
>> thermal_of_cooling_device_register() and thermal_cooling_device_register()
>> are typically called from driver probe functions, and
>> thermal_cooling_device_unregister() is called from remove functions. This
>> makes both a perfect candidate for device managed functions.
>>
>> Introduce devm_thermal_of_cooling_device_register(). This function can
>> also be used to replace thermal_cooling_device_register() by passing a NULL
>> pointer as device node. The new function requires both struct device *
>> and struct device_node * as parameters since the struct device_node *
>> parameter is not always identical to dev->of_node.
>>
>> Don't introduce a device managed remove function since it is not needed
>> at this point.
>>
> 
> Any feedback / thoughts / comments ?

Hi Guenter,

I have comments about your patch but I need some time to double check in
the current code how the 'of' and 'devm' are implemented.


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