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References: <1438543386-7253-1-git-send-email-public_timo.s@silentcreek.de><20150803091300.GY2564@lukather>
Subject: Re: [PATCH] ARM: dts: sunxi: Raise minimum CPU voltage for sun7i-a20 to a level all boards can supply
From: "Timo Sigurdsson" <public_timo.s@silentcreek.de>
To: maxime.ripard@free-electrons.com
Cc: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com,
        ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
        linux@arm.linux.org.uk, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-sunxi@googlegroups.com, wens@csie.org
Message-Id: <20150804083819.2F3EE6C83EF9@dd34104.kasserver.com>
Date: Tue,  4 Aug 2015 10:38:19 +0200 (CEST)
Sender: linux-kernel-owner@vger.kernel.org
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Hi Maxime,

Maxime Ripard schrieb am 03.08.2015 11:13:
> On Sun, Aug 02, 2015 at 09:23:06PM +0200, Timo Sigurdsson wrote:
>> sun7i-a20.dtsi contains an cpufreq operating point at 0.9 volts. Most A20
>> boards
>> (or all?), however, do not allow the voltage to go below 1.0V. Thus, raise the
>> voltage for the lowest operating point to 1.0V so all boards can actually use
>> it.
> 
> This is not a property of a board, but is the actual limit documented
> by Allwinner for the A20. Some individual SoCs might have wider
> tolerances, but that's not a property of a board, it's really a
> property of a single SoC, and we cannot make any assumption on the
> board.

Thanks for the clarification. That was a misunderstanding on my side. I can 
update the commit message in a second version of the patch, but the actual
code change can be kept as is then, I guess.

> (and please make sure to run checkpatch before sending your patches)

Sorry about that. Will do when I post a second version of the patch.

Thanks,

Timo
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