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From: Mark Brown <broonie@kernel.org>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: Bjorn Andersson <bjorn.andersson@sonymobile.com>,
	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, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH 4/4] regulator: qcom: Rework to single platform device
Date: Thu, 5 Mar 2015 10:38:10 +0000	[thread overview]
Message-ID: <20150305103810.GF21293@sirena.org.uk> (raw)
In-Reply-To: <54F7B571.7090705@codeaurora.org>

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On Wed, Mar 04, 2015 at 05:46:25PM -0800, Stephen Boyd wrote:
> On 03/04/15 16:30, Mark Brown wrote:
> > On Wed, Mar 04, 2015 at 11:35:43AM -0800, Stephen Boyd wrote:

> > Dependency resolution isn't anything new, I'm not sure why you think
> > this is related to of_parse_cb()?  Open coding does exactly the same

> I was just using of_parse_cb to indicate the difference from
> of_regulator_match(). I could have said "between your design and my design".

Please do things like that - it makes things harder to follow if people
throw in random unrelated terms for things.

> > of.  There was a proposal quite recently from someone at Samsung Poland
> > to do something more coreish and basically split registrations in two,
> > one half registering the things needed for each resource and then a
> > second half which runs once the required resources are registered.
> > Pushing that along might be best, it's a more general approach.  The
> > component stuff Russell did has some similarities here.

> Ah you're talking about the res track stuff[1]? That patchset seemed to
> be doing a *lot* of different stuff where probe defer was just a part of
> it. Frmo what I recall that still operates on the device level, where
> here we want to be able to say that a particular regulator needs another
> resource, but it's ok to register it's sibling regulator within this
> device because that regulator doesn't need anything. Are you saying you
> want the restrack stuff to work at the regulator level? If we went that
> way we could do the same thing in the clock framework and get rid of the
> orphan list and rely on the notifications from restrack to figure out
> when a clock resource becomes fully available.

Yes, that's it.  It's not quite the same thing as registering individual
resources and there are definite issues to be addressed but I think it's
a promising approach for addressing the deferred probe problem in a more
elegant way.

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      reply	other threads:[~2015-03-05 10:38 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
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 [this message]

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