linux-kernel - Re: [PATCH V2] PM / OPP: of_property_count_u32

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Message-ID: <2265537.PORMnUrJPF@vostro.rjw.lan>
Date:	Fri, 25 Sep 2015 23:40:33 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	Viresh Kumar <viresh.kumar@...aro.org>,
	linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.org,
	nm@...com, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Len Brown <len.brown@...el.com>,
	open list <linux-kernel@...r.kernel.org>,
	Pavel Machek <pavel@....cz>
Subject: Re: [PATCH V2] PM / OPP: of_property_count_u32_elems() can return errors

On Tuesday, September 22, 2015 09:51:27 AM Stephen Boyd wrote:
> On 09/22, Viresh Kumar wrote:
> > of_property_count_u32_elems() will never return 0, but a -ve error value
> > of a positive count. And so the current !count check is wrong.
> > 
> > Also, a missing "opp-microvolt" property isn't a problem and so we need
> > to do of_find_property() separately to confirm that.
> > 
> > Fixes: 274659029c9d ("PM / OPP: Add support to parse "operating-points-v2" bindings")
> > Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> > ---
> 
> Reviewed-by: Stephen Boyd <sboyd@...eaurora.org>

Applied, thanks!

Rafael

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