linux-kernel - Re: [PATCH v3 0/3] Qualcomm Resource Power Manager driver

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Date:	Wed, 18 Jun 2014 08:53:40 -0700
From:	Kevin Hilman <khilman@...aro.org>
To:	Bjorn Andersson <bjorn@...o.se>
Cc:	Lee Jones <lee.jones@...aro.org>,
	Bjorn Andersson <bjorn.andersson@...ymobile.com>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Kumar Gala <galak@...eaurora.org>,
	Josh Cartwright <joshc@...eaurora.org>,
	"devicetree\@vger.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel\@lists.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-arm-msm <linux-arm-msm@...r.kernel.org>,
	Paul Walmsley <paul@...an.com>
Subject: Re: [PATCH v3 0/3] Qualcomm Resource Power Manager driver

Bjorn Andersson <bjorn@...o.se> writes:

> On Tue, Jun 17, 2014 at 10:07 AM, Kevin Hilman <khilman@...aro.org> wrote:
>> +Paul Walmsley
>>
>> Bjorn Andersson <bjorn.andersson@...ymobile.com> writes:
>>
>>> This series adds a regulator driver for the Resource Power Manager found in
>>> Qualcomm 8660, 8960 and 8064 based devices.
>>>
>>> The RPM driver exposes resources to its child devices, that can be accessed to
>>> implement drivers for the regulators, clocks and bus frequency control that's
>>> owned by the RPM in these devices.
>>>
>>> Changes since v2:
>>>   - Fix copy-paste error in dt binding
>>>   - Correct incomplete move from mfd to soc
>>>   - Correct const mistake in regulator driver
>>>
>>> Changes since v1:
>>>   - Moved rpm driver to drivers/soc
>>
>> I'm not sure I follow the motivation for having this under drivers/soc?
>>
> Hi Kevin,
>
> I've made the argument that to me this is conceptually a black box
> handling regulators, clocks and other stuff; hence similar to a PMIC,
> which would fit nicely into drivers/mfd.
>
> I still think this is the case and now that I look back I didn't get
> any pushback from Lee Jones so maybe the move was premature?

Yes, IMO, the move was premature, but hopefully the drivers/soc folks
can chime in an clarify the criteria for inclusion there.

Kevin

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