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

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Date:   Sat, 19 Sep 2020 11:44:18 +0200
From:   Pavel Machek <pavel@....cz>
To:     Alexander Dahl <post@...pocky.de>
Cc:     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>,
        Alexander Dahl <ada@...rsis.com>,
        Denis Osterland-Heim <denis.osterland@...hl.com>
Subject: Re: [PATCH v5 1/3] leds: pwm: Remove platform_data support

Hi!

> Since commit 141f15c66d94 ("leds: pwm: remove header") that platform
> interface is not usable from outside and there seems to be no in tree
> user anymore.  All in-tree users of the leds-pwm driver seem to use DT
> currently.  Getting rid of the old platform interface will allow the
> leds-pwm driver to switch over from 'devm_led_classdev_register()' to
> 'devm_led_classdev_register_ext()' later.

> @@ -61,6 +56,7 @@ static int led_pwm_set(struct led_classdev *led_cdev,
>  	return pwm_apply_state(led_dat->pwm, &led_dat->pwmstate);
>  }
>  
> +__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))

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

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