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Date:   Thu, 8 Mar 2018 11:25:28 +0000
From:   Mark Brown <broonie@kernel.org>
To:     Lee Jones <lee.jones@linaro.org>
Cc:     Sebastian Reichel <sebastian.reichel@collabora.co.uk>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Tony Lindgren <tony@atomide.com>,
        Jaroslav Kysela <perex@perex.cz>,
        Takashi Iwai <tiwai@suse.com>, alsa-devel@alsa-project.org,
        linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, kernel@collabora.com
Subject: Re: [PATCHv5 3/5] mfd: motorola-cpcap: Add audio-codec support
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On Thu, Mar 08, 2018 at 10:48:31AM +0000, Lee Jones wrote:
> On Thu, 08 Mar 2018, Sebastian Reichel wrote:

> > I had it in PATCHv1-PATCHv4. It was removed, since Mark didn't want
> > to have it in the DT ABI.

> Right, but why?  Is it not a hardware device?  I think converting from
> devm_of_platform_populate() for one sub-device is a bit drastic.

It's not a separate physical device or IP and doesn't exist outside of
the MFD, it's just how Linux is currently choosing to divide up the chip
right now but that's totally open to change even in future versions of
Linux.  Clocks are a big issue with audio stuff, right now sections of
the clock tree get handled in the CODEC driver but we're going to want
to push them out to a clock driver so we're not reimplementing handling
for clocks.

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