linux-kernel - Re: [PATCH 0/2] ARM: dts: sun6i: Drop constraints on dc1sw regulator

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Message-ID: <20160511124344.GO3733@lukather>
Date:	Wed, 11 May 2016 14:43:44 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Chen-Yu Tsai <wens@...e.org>
Cc:	arm@...nel.org, Arnd Bergmann <arnd@...db.de>,
	Olof Johansson <olof@...om.net>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
	Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH 0/2] ARM: dts: sun6i: Drop constraints on dc1sw regulator

On Wed, May 11, 2016 at 01:23:12PM +0800, Chen-Yu Tsai wrote:
> Hi Arnd, Olof,
> 
> Here are 2 last minute fixes for 4.6. The 2 patches drop constaints on
> the dc1sw regulator for 2 A31s tablets. I checked with Maxime and he said
> to send them directly to you.
> 
> The issue was first brought up and fixed for A23/A33 Q8 tablets in commit
> dcf5341f0150 ("ARM: dts: sun8i-q8-common: Do not set constraints on dc1sw
> regulator"). It was brought up again yesterday on IRC, and I realized that
> 2 sun6i A31s tablet DTS files also had this setting. The setting causes
> PMIC regulator registration to fail, and since among other things, mmc
> depends on the regulators, the system will likely hang.
> 
> There seems to be a fix for this queued up for 4.7: commit 45389c47526d
> ("regulator: core: Add early supply resolution for regulators") in the
> regulator "supply" topic branch. So we should be able to revert these
> fixes in 4.7.

Acked-by: Maxime Ripard <maxime.ripard@...e-electrons.com>

For the two patches.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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