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From: wens@csie.org (Chen-Yu Tsai)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] ARM: dts: sunxi: Remove overclocked/overvoltaged OPP
Date: Thu, 19 Mar 2015 16:14:00 +0800	[thread overview]
Message-ID: <CAGb2v64O5HbmZXtqrVCpTLVpkWgY=R7gNbNBuNKzeE7pS6oNvw@mail.gmail.com> (raw)
In-Reply-To: <CAGb2v678kt6vL7j0sbJn-ftNkQuXTDiJMChhdX7k=NvRUE22Lw@mail.gmail.com>

On Thu, Mar 19, 2015 at 3:11 PM, Chen-Yu Tsai <wens@csie.org> wrote:
> On Thu, Mar 19, 2015 at 2:59 PM, Siarhei Siamashka
> <siarhei.siamashka@gmail.com> wrote:
>> On Thu, 19 Mar 2015 10:39:33 +0800
>> Chen-Yu Tsai <wens@csie.org> wrote:
>>
>>> Without proper regulator support for individual boards, it is dangerous
>>> to have overclocked/overvoltaged OPPs in the list. Cpufreq will increase
>>> the frequency without the accompanying voltage increase, resulting in
>>> an unstable system.
>>>
>>> Remove them for now. We can revisit them with the new version of OPP
>>> bindings, which support boost settings and frequency ranges, among
>>> other things.
>>>
>>> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
>>> ---
>>>  arch/arm/boot/dts/sun5i-a13.dtsi | 3 +--
>>>  arch/arm/boot/dts/sun7i-a20.dtsi | 3 +--
>>>  2 files changed, 2 insertions(+), 4 deletions(-)
>>
>> What about the sun4i-a10.dtsi file? Was it forgotten or skipped
>> deliberately?
>
> sun4i-a10.dtsi does not have any overclocked/overvoltaged settings.
> The highest setting is 1008MHz @ 1.4V.

Oops. Sorry. I missed it. Will send v2.

ChenYu

      reply	other threads:[~2015-03-19  8:14 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-19  2:39 [PATCH 0/2] ARM: dts: sunxi: Fix cpufreq instabilities Chen-Yu Tsai
2015-03-19  2:39 ` [PATCH 1/2] ARM: dts: sun4i: a10-lime: Override and remove 1008MHz OPP setting Chen-Yu Tsai
2015-03-19  6:57   ` Siarhei Siamashka
2015-03-19  8:17     ` Chen-Yu Tsai
2015-03-19 10:28       ` Siarhei Siamashka
2015-03-26 16:58     ` [linux-sunxi] " Iain Paton
2015-03-26 17:56       ` Chen-Yu Tsai
2015-03-19  2:39 ` [PATCH 2/2] ARM: dts: sunxi: Remove overclocked/overvoltaged OPP Chen-Yu Tsai
2015-03-19  6:59   ` Siarhei Siamashka
2015-03-19  7:11     ` Chen-Yu Tsai
2015-03-19  8:14       ` Chen-Yu Tsai [this message]

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