linux-kernel - Re: [RFC PATCH 2/5] power: generic-adc-battery: Parse more properties from DT

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Message-ID: <CAAfyv34Ur+0S+1498xNkmkbYE+uUepQd7u4UwAEXp=OgEGzNXA@mail.gmail.com>
Date:   Wed, 2 Aug 2017 13:57:31 +0200
From:   Belisko Marek <marek.belisko@...il.com>
To:     Pavel Machek <pavel@....cz>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Linux PM mailing list <linux-pm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "Dr. H. Nikolaus Schaller" <hns@...delico.com>
Subject: Re: [RFC PATCH 2/5] power: generic-adc-battery: Parse more properties
 from DT

Hi Pavel,

On Wed, Aug 2, 2017 at 1:56 PM, Pavel Machek <pavel@....cz> wrote:
> Hi!
>
>> +#ifdef CONFIG_OF
>> +static struct gab_platform_data *gab_dt_probe(struct platform_device *pdev)
>> +{
>> +     struct gab_platform_data *pdata;
>> +     struct device_node *np = pdev->dev.of_node;
>> +     const char *name;
>> +     u32 val;
>> +     int err;
>> +
>> +     pdata = devm_kzalloc(&pdev->dev,
>> +                     sizeof(struct gab_platform_data),
>> +                     GFP_KERNEL);
>> +     if (!pdata)
>> +             return ERR_PTR(-ENOMEM);
>> +
>> +     pdata->gpio_charge_finished  = of_get_gpio(np, 0);
>> +
>> +     /* parse and fill power_supply_info struct */
>> +     err = of_property_read_u32(np, "technology", &val);
>> +     if (err) {
>> +             dev_info(&pdev->dev, "Battery technology unknown\n");
>> +             val = 0;
>> +     }
>> +     pdata->battery_info.technology = val;
>> +
>> +     err = of_property_read_string(np, "battery-name", &name);
>> +     if (err) {
>> +             dev_info(&pdev->dev, "Battery name empty, setting default\n");
>> +     }
>> +     pdata->battery_info.name = name;
>
> Actually ... looking at this once more. These are new properties,
> right?
>
> They'll need to be documented:
>
> pavel@duo:/data/l/linux$ grep -ri battery-name Documentation/devicetree/
>
> shows empty.
You're right. I'll add bindings documentation. Thanks.
>                                                                         Pavel
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

BR,

marek

-- 
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