Date:	Thu, 13 Nov 2014 10:41:26 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Aaron Lu <aaron.lu@...el.com>, linux-acpi@...r.kernel.org,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: Re: [PATCH 0/3] Support PMIC operation region for CrystalCove and
 XPower

On Thu, 13 Nov 2014, Rafael J. Wysocki wrote:

> On Wednesday, November 12, 2014 09:44:19 AM Lee Jones wrote:
> > On Wed, 12 Nov 2014, Rafael J. Wysocki wrote:
> > 
> > > On Tuesday, November 11, 2014 11:11:52 AM Lee Jones wrote:
> > > > On Tue, 11 Nov 2014, Aaron Lu wrote:
> > > > 
> > > > > On 10/31/2014 02:08 PM, Aaron Lu wrote:
> > > > > > On Intel Baytrail-T and Baytrail-T-CR platforms, there are two customized
> > > > > > ACPI operation regions defined for the Power Management Integrated Circuit
> > > > > > device, one is for power resource handling and one is for thermal: sensor
> > > > > > temperature reporting, trip point setting, etc. There are different PMIC
> > > > > > chips used on those platforms and though each has the same two operation
> > > > > > regions and functionality, their implementation is different so every PMIC
> > > > > > will need a driver. But since their functionality is similar, some common
> > > > > > code is abstracted into the intel_soc_pmic_opregion.c.
> > > > > > 
> > > > > > The last version is posted here:
> > > > > > https://lkml.org/lkml/2014/9/8/801
> > > > > > 
> > > > > > Changes since then:
> > > > > > 1 Move to drivers/acpi as discussed on the above thread;
> > > > > > 2 Added support for XPower AXP288 PMIC operation region support;
> > > > > > 3 Since operation region handler can not be removed(at the moment at least),
> > > > > >   use bool for the two operation region driver configs instead of tristate;
> > > > > >   Another reason to do this is that, with Mika's MFD ACPI support patch, all
> > > > > >   those MFD cell devices created will have the same modalias as their parent's
> > > > > >   so it doesn't make much sense to compile these drivers into modules.
> > > > > > 
> > > > > > Patch 1 applies on top of Rafael's pm-next branch, and then patch 2 and
> > > > > > patch 3 needs merge of Lee's mfd/ib-mfd-iio-3.19 branch where the PMIC
> > > > > > driver XPower AXP288 and iio driver axp288_adc is located.
> > > > > 
> > > > > Since patch 2-3 are based on top of the mfd/ib-mfd-iio-3.19 branch, it
> > > > > would be easy to go through the mfd/ib-mfd-iio-3.19 branch.
> > > > > 
> > > > > Rafael,
> > > > > Can I get your ACK for the three patches?
> > > > > 
> > > > > Lee,
> > > > > Can you please take the series if Rafael gives it ack?
> > > > 
> > > > Yes, no problem.
> > > 
> > > Well, since the code is going to reside mostly in drivers/acpi, I think I should
> > > be applying the patches and from your response it looks like you are fine with
> > > them.  Is that correct?
> > 
> > I read that this set has dependencies on patches which are already in
> > the MFD tree.  If that's not the case please go ahead and apply them
> > with my Ack for the MFD components.
> 
> I thought you had a branch that I could pull into my tree and apply the patches
> on top of it.  At least that was my understanding of the Aaron's message, so
> please let me know if that's not the case.

That is absolutely the case.  'mfd/ib-mfd-iio-3.19' is good to go.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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