linux-kernel - Re: [PATCH v7 1/2] DT: hwspinlock: Add binding documentation for Qualcomm hwmutex

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Message-ID: <20150320214206.GB8189@qualcomm.com>
Date:	Fri, 20 Mar 2015 16:42:06 -0500
From:	Andy Gross <agross@...eaurora.org>
To:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Ohad Ben-Cohen <ohad@...ery.com>,
	Kumar Gala <galak@...eaurora.org>, Suman Anna <s-anna@...com>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	Jeffrey Hugo <jhugo@...eaurora.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 1/2] DT: hwspinlock: Add binding documentation for
 Qualcomm hwmutex

On Fri, Mar 20, 2015 at 01:49:12PM -0700, Bjorn Andersson wrote:
> On Fri 20 Mar 13:29 PDT 2015, Andy Gross wrote:
> 
> > On Thu, Mar 19, 2015 at 06:48:10PM -0700, Bjorn Andersson wrote:
> > 
> > <snip>
> > 
> > > +Example:
> > > +
> > > +	tcsr: syscon@...00000 {
> > 
> > typo here, syscon@...84000.  And this syscon is specifically for the tcsr mutex
> > reg area.
> > 
> 
> You're right, I didn't read the documentation good enough; let's name it
> tcsr-mutex and as this is not the main tcsr region we should fall back
> to just having syscon as compatible.

Agreed.  A generic syscon will work until we need to support the other registers
in that block.

> But there's still a bunch of other registers in the tcsr-mutex range -
> that probably will be consumed by various drivers, so it still makes
> sense to have a syscon there.

Agreed.

-- 
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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