linux-kernel - Re: [PATCH v2] nvmem: layouts: fix automatic module loading

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Message-ID: <87frdgk8ea.fsf@bootlin.com>
Date: Sun, 24 Aug 2025 18:10:37 +0200
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Michael Walle <mwalle@...nel.org>
Cc: Srinivas Kandagatla <srini@...nel.org>,  Greg Kroah-Hartman
 <gregkh@...uxfoundation.org>,  linux-kernel@...r.kernel.org,
  stable@...r.kernel.org
Subject: Re: [PATCH v2] nvmem: layouts: fix automatic module loading

Hello,

On 19/08/2025 at 13:21:03 +02, Michael Walle <mwalle@...nel.org> wrote:

> To support loading of a layout module automatically the MODALIAS
> variable in the uevent is needed. Add it.
>
> Fixes: fc29fd821d9a ("nvmem: core: Rework layouts to become regular devices")
> Cc: stable@...r.kernel.org
> Signed-off-by: Michael Walle <mwalle@...nel.org>
> ---
> I'm still not sure if the sysfs modalias file is required or not. It
> seems to work without it. I could't find any documentation about it.

I do not recall how this worked on my side, nor if it actually did with
the latest version (there's been a version where module loading was
requested in kernel code, and this was working well with an initamfs
IIRC), but that change sound reasonable.

Reviewed-by: Miquel Raynal <miquel.raynal@...tlin.com>

Thanks,
Miquèl