linux-kernel - Re: [PATCH 1/2] iio: adc: Add driver for Marvell 88PM886 PMIC ADC

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Message-ID: <2453108.NG923GbCHz@radijator>
Date: Fri, 29 Aug 2025 19:40:41 +0200
From: Duje Mihanović <duje@...emihanovic.xyz>
To: Jonathan Cameron <jonathan.cameron@...wei.com>
Cc: Jonathan Cameron <jic23@...nel.org>,
 David Lechner <dlechner@...libre.com>,
 Nuno Sá <nuno.sa@...log.com>,
 Andy Shevchenko <andy@...nel.org>, Karel Balej <balejk@...fyz.cz>,
 Lee Jones <lee@...nel.org>, David Wronek <david@...nlining.org>,
 phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
 linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org
Subject: Re: [PATCH 1/2] iio: adc: Add driver for Marvell 88PM886 PMIC ADC

On Friday, 29 August 2025 18:27:30 Central European Summer Time Jonathan Cameron wrote:
> On Fri, 29 Aug 2025 00:17:41 +0200
> 
> Duje Mihanović <duje@...emihanovic.xyz> wrote:
> > +	iio->name = "88pm886-gpadc";
> > +	iio->dev.parent = dev;
> > +	iio->dev.of_node = parent->of_node;
> 
> Done in core code.
> https://elixir.bootlin.com/linux/v6.16.3/source/drivers/iio/industrialio-core.
> c#L2044 __iio_device_register() so unless you use it before that call
> shouldn't need this.
> 
> I'm not sure what it is used for though.

It was to explicitly bind the ADC (specifically, its IO channels) to
the PMIC devicetree node. However, since the core does this already,
will drop.

Regards,
--
Duje