linux-kernel - Re: [PATCH] media: dt-bindings: sony,imx415: add required clock-names property

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Message-ID: <f088a247-8049-49a7-bab3-5b517cb0c531@wolfvision.net>
Date: Mon, 2 Dec 2024 09:18:56 +0100
From: Michael Riesch <michael.riesch@...fvision.net>
To: Krzysztof Kozlowski <krzk@...nel.org>,
 Matthias Fend <matthias.fend@...end.at>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring
 <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
 Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, linux-media@...r.kernel.org,
 devicetree@...r.kernel.org, imx@...ts.linux.dev,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: dt-bindings: sony,imx415: add required clock-names
 property

Hi Matthias, Krzysztof,

On 12/2/24 08:56, Krzysztof Kozlowski wrote:
> On Sat, Nov 30, 2024 at 03:17:15PM +0100, Matthias Fend wrote:
>> The imx415 driver expects a clock with the name "inck".
>> Document this in the bindings.
> 
> No, fix the driver instead of bypassing review. It was decided to drop
> it during review, so you cannot reintroduce it 2 years later claiming
> that's now ABI. Of course original submission was buggy and never
> tested, but that does not allow review bypass.

Just to make sure I am on the same page here: Between v2 and v3 of the
IMX415 submission the clock-names property was dropped. At that point,
we should have changed the acquisition of the clock from
    sensor->clk = devm_clk_get(sensor->dev, "inck");
to
    sensor->clk = devm_clk_get(sensor->dev, NULL);

Is that correct/the proper fix?

> 
> Best regards,
> Krzysztof
> 

Best regards,
Michael