linux-kernel - Re: [PATCH 1/3] PM / OPP: Add "opp-supported-hw" binding

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Message-ID: <20151104220814.GS19782@codeaurora.org>
Date:	Wed, 4 Nov 2015 14:08:14 -0800
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	Rafael Wysocki <rjw@...ysocki.net>, robh+dt@...nel.org,
	lee.jones@...aro.org, linaro-kernel@...ts.linaro.org,
	linux-pm@...r.kernel.org, mark.rutland@....com, pawel.moll@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org, nm@...com,
	devicetree@...r.kernel.org,
	open list <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH 1/3] PM / OPP: Add "opp-supported-hw" binding

On 11/03, Viresh Kumar wrote:
> On 30-10-15, 15:18, Stephen Boyd wrote:
> > A side-note. I wonder if it would be better style to have the
> > node name be:
> > 
> > 		opp@...000000 {
> > 
> > At least it seems that the assumption is we can store all the
> > possible combinations of OPP values for a particular frequency in
> > the same node. Following this style would make dt compilation
> > fail if two nodes have the same frequency.
> 
> From: Viresh Kumar <viresh.kumar@...aro.org>
> Date: Tue, 3 Nov 2015 07:51:09 +0530
> Subject: [PATCH] PM / OPP: Rename OPP nodes as opp@<opp-hz>
> 
> It would be better to name OPP nodes as opp@<opp-hz> as that will ensure
> that multiple DT nodes don't contain the same frequency. Of course we
> expect the writer to name the node with its opp-hz frequency and not any
> other frequency.
> 
> And that will let the compile error out if multiple nodes are using the
> same opp-hz frequency.
> 
> Suggested-by: Stephen Boyd <sboyd@...eaurora.org>
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---

Reviewed-by: Stephen Boyd <sboyd@...eaurora.org>

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