linux-kernel - Re: ASoC: About graph node issue without 'reg' property

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Message-ID: <20181213162428.GR10669@sirena.org.uk>
Date:   Thu, 13 Dec 2018 16:24:28 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Cc:     Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Masami Hiramatsu <masami.hiramatsu@...aro.org>
Subject: Re: ASoC: About graph node issue without 'reg' property

On Thu, Dec 13, 2018 at 07:39:45PM +0900, Kunihiko Hayashi wrote:

> Maybe I think that we'd better add 'reg' properties to each port,
> however, there might be same matter in other SoCs, so I'm not sure
> whether your patch breaks the backword compatibility or
> our devicetrees are wrong.

> I'd be glad if I could hear something about this issue from you.

There's an ongoing thread between Morimoto-san and Tony Lindgren around
the graph card including this issue, there Morimoto-san proposed some
code which would let the reg property be optional.  Device trees should
still be updated but that way we wouldn't actually break anything which
would be good.

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