linux-kernel - Re: [PATCH v5 1/3] leds: pwm: Remove platform

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Date:   Wed, 30 Sep 2020 19:24:41 +0200
From:   Pavel Machek <pavel@....cz>
To:     Alexander Dahl <ada@...rsis.com>
Cc:     Alexander Dahl <post@...pocky.de>, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Dan Murphy <dmurphy@...com>, Rob Herring <robh+dt@...nel.org>,
        linux-kernel@...r.kernel.org,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Marek Behún <marek.behun@....cz>,
        Denis Osterland-Heim <denis.osterland@...hl.com>
Subject: Re: [PATCH v5 1/3] leds: pwm: Remove platform_data support

Hi!

> > > +__attribute__((nonnull))
> > > 
> > >  static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv,
> > >  
> > >  		       struct led_pwm *led, struct fwnode_handle *fwnode)
> > >  
> > >  {
> > 
> > This normally goes elsewhere -- right? I'd expect:
> > 
> > 
> >   static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv,
> >   		       struct led_pwm *led, struct fwnode_handle *fwnode)
> > 	  __attribute__((nonnull))
> 
> I found both variants in kernel code.  I can live with both variants and have 
> no strong preference.
> 
> My initial intention to add it was to get a compiler warning in case someone 
> does not pass a fwnode here, e.g. when using that old platform_data approach 
> (which is supposed to be removed with this patch).  You might call it a self 
> check on my own changes.  I can also drop that attribute if you don't want 
> that kind of stuff in linux-leds.

I'm okay with it at the second place :-).

Thanks,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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