linux-kernel - Re: [PATCH] ARM: sun8i: a33: remove highest OPP to fix CPU crashes

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Message-ID: <20170321155632.k7vtmkorucsspnun@lukather>
Date:   Tue, 21 Mar 2017 16:56:32 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Quentin Schulz <quentin.schulz@...e-electrons.com>
Cc:     robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.u,
        wens@...e.org, icenowy@...c.xyz, linux-sunxi@...glegroups.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, thomas.petazzoni@...e-electrons.com
Subject: Re: [PATCH] ARM: sun8i: a33: remove highest OPP to fix CPU crashes

On Mon, Mar 20, 2017 at 12:25:51PM +0100, Quentin Schulz wrote:
> The highest supported frequency (1.2GHz) requires to "overvolt" the CPU.
> However, some boards still do not have the cpu-supply DT property in the
> cpu DT node which means that the CPU will always run with the same input
> voltage but try to run at 1.2GHz frequency. This is the source of
> (experienced) CPU crashes.
> 
> Remove the OPP which requires overvolting the CPU until all boards have
> a cpu-supply property.
> 
> Fixes: 03749eb88e635ad67818827adde8e5eea7b64571 ("ARM: dts: sun8i: add
> opp-v2 table for A33")

The commit ID must be 12 chars, as documented in
Documentation/process/submitting-patches.rst.

You can also use the pretty format given there to be sure to have it
right.

> 
> Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com>

Applied, thanks!
Maxime

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

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