linux-kernel - Re: [PATCH v7 3/3] regulator: qcom-rpm: Regulator driver for the Qualcomm RPM

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Message-ID: <20140930153353.GO28481@sonymobile.com>
Date:	Tue, 30 Sep 2014 08:33:54 -0700
From:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
To:	Kumar Gala <galak@...eaurora.org>, Mark Brown <broonie@...nel.org>
CC:	Rob Herring <robh+dt@...nel.org>, Lee Jones <lee.jones@...aro.org>,
	Pawel Moll <pawel.moll@....com>,
	Andy Gross <agross@...eaurora.org>,
	Mark Rutland <mark.rutland@....com>,
	Kevin Hilman <khilman@...aro.org>,
	Josh Cartwright <joshc@...eaurora.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH v7 3/3] regulator: qcom-rpm: Regulator driver for the
 Qualcomm RPM

On Wed 24 Sep 06:50 PDT 2014, Kumar Gala wrote:

> 
> On Sep 24, 2014, at 3:35 AM, Mark Brown <broonie@...nel.org> wrote:
> 
> > On Mon, Sep 22, 2014 at 04:25:29PM -0700, Bjorn Andersson wrote:
> >> Driver for regulators exposed by the Resource Power Manager (RPM) found
> >> in Qualcomm 8660, 8960 and 8064 based devices.
> > 
> > Applied, thanks.

Thanks Mark, sorry for sending this to you so many times.  I'll keep the smd
rpm regulator separate from the smd series (after the RFC) to reduce the
traffic.

> 
> Mark, can you drop this until we see at least an RFC patch for the RPM
> support for b-family SoCs (8074, 8084, etc) chips.  The regulator could
> should either be the same or highly similar for b-family, but until we see
> the core RPM driver on the b-family SoCs we will not know that.
> 

As you can see in the smd rpm regulator driver, the protocol for regulator
updates are completely different in the two cases.  I'm not sure about msm_bus,
but the clocks implementation is equivalent, so there's some room for re-use.

So I think we're good here.

Regards,
Bjorn
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