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 18:12:34 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Mark Brown <broonie@...nel.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 04:58:39PM +0000, Mark Brown wrote:
> 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.

Ok, that's fair enough, now dropped.

greg k-h