linux-kernel - Re: [PATCH leds v1 09/10] leds: lm36274: use struct led_init

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Date:   Thu, 17 Sep 2020 17:54:06 +0200
From:   Marek Behun <marek.behun@....cz>
To:     Dan Murphy <dmurphy@...com>
Cc:     <linux-leds@...r.kernel.org>, Pavel Machek <pavel@....cz>,
        Ondřej Jirman <megous@...ous.com>,
        <linux-kernel@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH leds v1 09/10] leds: lm36274: use struct led_init_data
 when registering

On Thu, 17 Sep 2020 10:28:12 -0500
Dan Murphy <dmurphy@...com> wrote:

> Marek
> 
> On 9/16/20 6:16 PM, Marek Behún wrote:
> > By using struct led_init_data when registering we do not need to parse
> > `label` DT property nor `linux,default-trigger` property.
> >
> > A small refactor was also done:
> > - with using devm_led_classdev_register_ext the driver remove method is
> >    not needed
> > - since only one child node is allowed for this driver, use
> >    device_get_next_child_node instead of device_for_each_child_node
> >
> > Previously if the `label` DT property was not present, the code composed
> > name for the LED in the form
> >    "parent_name::"
> > For backwards compatibility we therefore set
> >    init_data->default_label = ":";
> > so that the LED will not get a different name if `label` property is not
> > present.  
> 
> You are going to re-factor this as well a lot of changes in a single 
> patch is hard to review
> 
> Dan
> 
I am trying to do this now.