linux-kernel - Re: [PATCH v3 02/11] ARM: sun8i: a33: add all operating points

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 22 Mar 2017 08:16:57 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Quentin Schulz <quentin.schulz@...e-electrons.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Lee Jones <lee.jones@...aro.org>,
        Russell King <linux@...linux.org.uk>,
        Jonathan Cameron <jic23@...nel.org>, knaack.h@....de,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-iio@...r.kernel.org,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        Icenowy Zheng <icenowy@...c.xyz>
Subject: Re: [PATCH v3 02/11] ARM: sun8i: a33: add all operating points

On Wed, Mar 22, 2017 at 11:31:54AM +0800, Chen-Yu Tsai wrote:
> On Tue, Mar 21, 2017 at 11:36 PM, Quentin Schulz
> <quentin.schulz@...e-electrons.com> wrote:
> > This adds almost all operating points allowed for the A33 as defined by
> > fex files available at:
> > https://github.com/linux-sunxi/sunxi-boards/tree/master/sys_config/a33
> >
> > There are more possible frequencies in this patch than there are in the
> > fex files because the fex files only give an interval of possible
> > frequencies for a given voltage. All supported frequencies are defined
> > in the original driver code in Allwinner vendor tree.
> >
> > There are two missing frequencies though: 1104MHz and 1200MHz which
> > require the CPU to have 1.32V supplied, which is higher than the default
> > voltage.
> >
> > Without all A33 boards defining the CPU regulator, we cannot have these
> > two frequencies as it would cause the CPU to try to run a higher
> > frequency without "overvolting" which is very likely to crash the CPU.
> >
> > Therefore, these two frequencies must be enabled on a per-board basis.
> >
> > Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com>
> 
> Acked-by: Chen-Yu Tsai <wens@...e.org>

Applied, thanks!
Maxime

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

Download attachment "signature.asc" of type "application/pgp-signature" (802 bytes)