linux-kernel - Re: [PATCH] ASoC: cs42l56: fix DT probe

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Date:   Thu, 26 Jan 2023 14:03:35 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     James Schulman <james.schulman@...rus.com>,
        David Rhodes <david.rhodes@...rus.com>,
        Lucas Tanure <tanureal@...nsource.cirrus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>,
        linux-gpio@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Wolfram Sang <wsa@...nel.org>, alsa-devel@...a-project.org,
        patches@...nsource.cirrus.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: cs42l56: fix DT probe

On Thu, Jan 26, 2023 at 02:55:29PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> While looking through legacy platform data users, I noticed that
> this one could never be used with DT based probing as the
> platform_data structure gets overwritten directly after it
> is initialized.
> 
> There have never been any boards defining the platform_data in
> the mainline kernel either, so this driver so far only worked
> with patched kernels.

Or there is no mandatory properties/platform data and the
defaults are fine for most systems (which is a common case).

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