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From: Mark Brown <broonie@kernel.org>
To: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	Lee Jones <lee.jones@linaro.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Pawel Moll <pawel.moll@arm.com>, Rob Herring <robh+dt@kernel.org>,
	Andy Gross <agross@codeaurora.org>,
	Chanwoo Choi <cw00.choi@samsung.com>,
	Krzysztof Kozlowski <k.kozlowski@samsung.com>,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>
Subject: Re: [PATCH 4/4] regulator: qcom: Rework to single platform device
Date: Tue, 3 Mar 2015 23:52:09 +0000	[thread overview]
Message-ID: <20150303235209.GG21293@sirena.org.uk> (raw)
In-Reply-To: <20150303223235.GK26334@sonymobile.com>

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On Tue, Mar 03, 2015 at 02:32:35PM -0800, Bjorn Andersson wrote:
> On Tue 03 Mar 14:09 PST 2015, Stephen Boyd wrote:

> > How does this work for the case where we may not want to add all the
> > regulators that a PMIC supports. I'm mostly thinking about the case
> > where we want to use the pm8xxx-regulator driver for a few regulators
> > and so we omit them from the DT for the RPM regulators.

> An empty or non-existing regulator of_node will still be registered, but
> without REGULATOR_CHANGE_STATUS nor REGULATOR_CHANGE_VOLTAGE; so any
> operation on this regulator will fail with an -EPERM.

...but of course we'd never try any operations on it anyway as there
would be no consumers.

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  reply	other threads:[~2015-03-03 23:52 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-03  4:25 [PATCH 0/4] Refactor Qualcomm RPM regulator to single platform_device Bjorn Andersson
2015-03-03  4:25 ` [PATCH 1/4] mfd: devicetree: bindings: Add Qualcomm RPM regulator subnodes Bjorn Andersson
2015-03-03 12:47   ` Mark Brown
2015-03-03 16:02     ` Bjorn Andersson
2015-03-05  0:33       ` Mark Brown
2015-03-03 18:53   ` Stephen Boyd
2015-03-03 21:54     ` Bjorn Andersson
2015-03-03 22:02       ` Stephen Boyd
2015-03-03 22:17         ` Bjorn Andersson
2015-03-03 23:25           ` Stephen Boyd
2015-03-03  4:25 ` [PATCH 2/4] regulator: core: Expose init_data to of_parse_cb Bjorn Andersson
2015-03-03 12:50   ` Mark Brown
2015-03-03 16:15     ` Bjorn Andersson
2015-03-05  0:42       ` Mark Brown
2015-03-03  4:25 ` [PATCH 3/4] regulator: qcom: Refactor of-parsing code Bjorn Andersson
2015-03-03 14:13   ` Mark Brown
2015-03-03 16:26     ` Bjorn Andersson
2015-03-03 18:56   ` Stephen Boyd
2015-03-03 22:07     ` Bjorn Andersson
2015-03-03  4:25 ` [PATCH 4/4] regulator: qcom: Rework to single platform device Bjorn Andersson
2015-03-03 22:09   ` Stephen Boyd
2015-03-03 22:32     ` Bjorn Andersson
2015-03-03 23:52       ` Mark Brown [this message]
2015-03-04  0:01         ` Stephen Boyd
2015-03-04  0:09           ` Mark Brown
2015-03-04 19:35   ` Stephen Boyd
2015-03-04 23:51     ` Bjorn Andersson
2015-03-05  0:56       ` Mark Brown
2015-03-05  0:30     ` Mark Brown
2015-03-05  1:46       ` Stephen Boyd
2015-03-05 10:38         ` Mark Brown

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