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

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Date:	Wed, 4 Nov 2015 14:10:06 -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 02-11-15, 11:21, Stephen Boyd wrote:
> > Ah I see that after looking at the previous thread. Perhaps we
> > can add such information into the documentation so that people
> > aren't misled into thinking they're limited to 32 bits?
> 
> What about these changes:

Yep looks good. Assuming this is squashed into the original:

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

One typo below.

> 
> diff --git a/Documentation/devicetree/bindings/opp/opp.txt b/Documentation/devicetree/bindings/opp/opp.txt
> index 96892057586a..b6ca2239838b 100644
> --- a/Documentation/devicetree/bindings/opp/opp.txt
> +++ b/Documentation/devicetree/bindings/opp/opp.txt
> @@ -123,11 +123,15 @@ properties.
>  - opp-suspend: Marks the OPP to be used during device suspend. Only one OPP in
>    the table should have this.
>  
> -- opp-supported-hw: User defined array containing a hierarchy of hardware
> -  version numbers, supported by the OPP. For example: a platform with hierarchy
> -  of three levels of versions (A, B and C), this field should be like <X Y Z>,
> -  where X corresponds to Version hierarchy A, Y corresponds to version hierarchy
> -  B and Z corresponds to version hierarchy C.
> +- opp-supported-hw: This enables us to select only a subset of OPPs from the
> +  larger OPP table, based on what version of the hardware we are running on. We
> +  still can't have multiple nodes with the same opp-hz value in OPP table.
> +
> +  Its an user defined array containing a hierarchy of hardware version numbers,

s/Its/It's/

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