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From: "Timo Sigurdsson" <public_timo.s@silentcreek.de>
To: monnier@iro.umontreal.ca
Cc: maxime.ripard@free-electrons.com, hdegoede@redhat.com,
	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
Subject: Re: [linux-sunxi] [RFC] ARM: dts: sunxi: Add regulators and board-specific operating points for LeMaker BananaPi
Date: Mon,  3 Aug 2015 00:00:06 +0200 (CEST)	[thread overview]
Message-ID: <20150802220006.E5BE06C810BC@dd34104.kasserver.com> (raw)
In-Reply-To: <55B79FCA.7070907@redhat.com>

Hi Stefan,

you didn't include me in your answer, hence the late reply...

Stefan Monnier schrieb am 29.07.2015 02:02:
>> IMHO for a common maximum opp that's a good approach. But for the lowest
>> frequency setting, it would seem more logical to me, to raise the voltage
>> to a point where all boards will run fine with them, unless those boards
>> cannot handle the frequency regardless of the higher voltage.

> I generally agre, tho IIRC some measurements seem to indicate that the
> lowest frequency settings did not bring much (if any) reduction in power
> consumption, making them rather useless.

That's an interesting point. However, that would be a different discussion. I
wouldn't mind if the 144MHz would be removed - my point was just that if it's 
supposed to be a common setting, it should work on all boards. I posted a patch
today to fix this. [1] That might be a good place to discuss whether this
setting should be removed entirely.

Regards,

Timo

[1] https://groups.google.com/forum/#!topic/linux-sunxi/fIfbdn7mrQA


  reply	other threads:[~2015-08-02 22:00 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-27  1:28 Timo Sigurdsson
2015-07-27  8:07 ` [linux-sunxi] " Hans de Goede
2015-07-27 12:09   ` public_timo.s
2015-07-27 12:43     ` Hans de Goede
2015-07-28  9:02       ` Timo Sigurdsson
2015-07-28 12:55         ` Maxime Ripard
2015-07-28 14:57           ` Timo Sigurdsson
2015-07-28 12:49       ` Maxime Ripard
2015-07-28 14:24         ` Hans de Goede
2015-07-28 15:09           ` Timo Sigurdsson
2015-07-28 15:29             ` Hans de Goede
2015-08-02 22:00               ` Timo Sigurdsson [this message]
2015-07-28 14:45         ` Timo Sigurdsson
2015-07-27 12:36   ` public_timo.s
2015-07-27 12:54     ` Hans de Goede
     [not found]       ` <CAGb2v65ApKvrj6K+kw43u=0q6=auTsmQjCXhibgZkW+vd5nDqA@mail.gmail.com>
2015-07-28  9:02         ` Timo Sigurdsson
2015-07-28 12:55           ` Maxime Ripard
2015-07-28 15:01             ` Timo Sigurdsson

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