linux-kernel - Re: [RFC PATCH 1/2] dt-bindings: tas2562: Add firmware support for tas2563

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Message-ID: <20200618105722.GA5789@sirena.org.uk>
Date:   Thu, 18 Jun 2020 11:57:22 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Dan Murphy <dmurphy@...com>, lgirdwood@...il.com, perex@...ex.cz,
        tiwai@...e.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [RFC PATCH 1/2] dt-bindings: tas2562: Add firmware support for
 tas2563

On Wed, Jun 17, 2020 at 04:04:59PM -0600, Rob Herring wrote:

> Given bus numbering may not be constant, that seems like not the best 
> way to match up devices. I'd assume that userspace needs some way to 
> identify which instance is which already, so maybe there's other data 
> you can use already.

There isn't really, you're putting stuff in the DT for that - usually as
part of the card binding.  I guess we could use that string rather than
the dev_name().

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