linux-kernel - Re: [PATCH v1 1/3] hwmon: (pwm-fan) Make use of device properties

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Date:   Tue, 9 Aug 2022 12:43:52 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linux Documentation List <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-pwm@...r.kernel.org, linux-hwmon@...r.kernel.org,
        Jonathan Corbet <corbet@....net>,
        Thierry Reding <thierry.reding@...il.com>,
        Jean Delvare <jdelvare@...e.com>
Subject: Re: [PATCH v1 1/3] hwmon: (pwm-fan) Make use of device properties

On 8/7/22 02:20, Andy Shevchenko wrote:
> On Sun, Aug 7, 2022 at 10:38 AM Uwe Kleine-König
> <u.kleine-koenig@...gutronix.de> wrote:
> 
>> at a quick glance this looks nice. I wonder if it makes sense to split
>> the patch. For example the change
>>
>> -       ctx->pwm = devm_of_pwm_get(dev, dev->of_node, NULL);
>> +       ctx->pwm = devm_pwm_get(dev, NULL);
>>
>> could stand alone. Also I think this change is the relevant part in
>> patch #1 that makes patches #2 and #3 possible.
> 
> True.
> 
>> When this patch doesn't get split, the series needs some coordination,
>> as patch #1 is for hwmon and patches #2 and #3 are for pwm.
>>
>> Splitting the series into:
>>
>>          hwmon: (pwm-fan) Use of devm_pwm_get() instead of devm_of_pwm_get()
>>          pwm: core: Get rid of unused devm_of_pwm_get()
>>          pwm: core: Make of_pwm_get() static
>>
>> for pwm and the remainder of this patch for hwmon might make application
>> of the changes here easier to coordinate.
> 
> Either way it will need the hwmon maintainer ACKs or alike.
> Since we have (plenty of) time I will wait a bit for hwmon maintainers
> to react. Guenter, what would you prefer?
> 

I have a substantial number of patches pending for the pwm-fan driver.
Some of those will conflict with this patch. I'll have to spend more time
to be able to understand the implications.

Guenter