linux-kernel - Re: [PATCH 4.20 066/352] ASoC: sunxi: sun50i-codec-analog: Add support for cpvdd regulator supply

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Date:   Mon, 11 Feb 2019 16:58:39 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Chen-Yu Tsai <wens@...e.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.20 066/352] ASoC: sunxi: sun50i-codec-analog: Add
 support for cpvdd regulator supply

On Mon, Feb 11, 2019 at 05:50:08PM +0100, Greg Kroah-Hartman wrote:
> On Mon, Feb 11, 2019 at 02:39:24PM +0000, Mark Brown wrote:

> > This is more a new feature than a bug fix, it doesn't look like obvious
> > stable material.

> Normally we take "new quirks and device ids", and given that this is a
> tiny 2 line patch, that seems to fit that requirement.

It's definitely not a quirk, it's changing from completely ignoring a
supply to actively managing it at runtime which if it has any effect on
existing systems is more likely to break something than fix it.  It's
not like the fixes for build problems which can't be triggered in old
kernels, it'll start us things we never used to do.

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