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From: Mark Brown <broonie@kernel.org>
To: Doug Anderson <dianders@chromium.org>
Cc: David Collins <collinsd@codeaurora.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	linux-arm-msm@vger.kernel.org,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	devicetree@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	Rajendra Nayak <rnayak@codeaurora.org>,
	Stephen Boyd <sboyd@kernel.org>
Subject: Re: [PATCH v3 1/2] regulator: dt-bindings: add QCOM RPMh regulator bindings
Date: Wed, 30 May 2018 16:02:41 +0100	[thread overview]
Message-ID: <20180530150241.GO6920@sirena.org.uk> (raw)
In-Reply-To: <CAD=FV=W-MLU9c-SvfLgKAKGP1eHN5xO-013f2M09XUa+QeHzrA@mail.gmail.com>

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On Wed, May 30, 2018 at 07:46:50AM -0700, Doug Anderson wrote:
> On Wed, May 30, 2018 at 2:37 AM, Mark Brown <broonie@kernel.org> wrote:

> >> Linux vote for the lowest voltage it's comfortable with.  Linux keeps
> >> track of the true voltage that the driver wants and will always change
> >> its vote back to that before enabling.  Thus (assuming Linux is OK
> >> with 1.2 V - 1.4 V for a rail):

> > That's pretty much what it should do anyway with normally designed
> > hardware.

> I guess the question is: do we insist that the driver include this
> workaround, or are we OK with letting the hardware behave as the
> hardware does?

What you're describing sounds like what we should be doing normally, if
we're not doing that we should probably be fixing the core.

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  reply	other threads:[~2018-05-30 15:02 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-12  2:28 [PATCH v3 0/2] regulator: add QCOM RPMh regulator driver David Collins
2018-05-12  2:28 ` [PATCH v3 1/2] regulator: dt-bindings: add QCOM RPMh regulator bindings David Collins
2018-05-17 21:22   ` Doug Anderson
2018-05-18  0:16     ` David Collins
2018-05-18  1:01       ` Doug Anderson
2018-05-19  0:46         ` David Collins
2018-05-21 18:01           ` Doug Anderson
2018-05-22  0:00             ` David Collins
2018-05-22 16:43               ` Doug Anderson
2018-05-22 16:55                 ` Mark Brown
2018-05-22 22:46                 ` David Collins
2018-05-23  0:08                   ` Doug Anderson
2018-05-23  1:19                     ` David Collins
2018-05-23  5:10                       ` Doug Anderson
2018-05-23  8:29                     ` Mark Brown
2018-05-23 15:23                       ` Doug Anderson
2018-05-23 15:40                         ` Mark Brown
2018-05-23 15:50                           ` Doug Anderson
2018-05-23 15:56                             ` Mark Brown
2018-05-30  5:30                               ` Doug Anderson
2018-05-30  9:37                                 ` Mark Brown
2018-05-30 14:46                                   ` Doug Anderson
2018-05-30 15:02                                     ` Mark Brown [this message]
2018-05-30 15:34                                       ` Doug Anderson
2018-05-30 15:48                                         ` Mark Brown
2018-05-30 16:06                                           ` Doug Anderson
2018-05-30 16:07                                             ` Mark Brown
2018-05-30 16:09                                               ` Doug Anderson
2018-05-30 16:13                                                 ` Mark Brown
2018-05-30 16:31                                                   ` Doug Anderson
2018-05-30 16:36                                                     ` Mark Brown
2018-05-30 16:41                                                       ` Doug Anderson
2018-05-30 16:59                                                         ` Mark Brown
2018-05-18 22:24       ` Rob Herring
2018-05-12  2:28 ` [PATCH v3 2/2] regulator: add QCOM RPMh regulator driver David Collins
2018-05-17 21:23   ` Doug Anderson
2018-05-18  0:16     ` David Collins

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