linux-kernel - Re: [PATCH Resend] driver/core: cpu: initialize opp table

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Message-ID: <2173444.bOnmhZJafF@vostro.rjw.lan>
Date:	Thu, 22 May 2014 01:57:29 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Arvind Chauhan <arvind.chauhan@....com>,
	Ips Gandhi <inderpal.s@...sung.com>,
	Pavel Machek <pavel@....cz>, Nishanth Menon <nm@...com>,
	Chander Kashyap <chander.kashyap@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Amit Daniel Kachhap <amit.daniel@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Shawn Guo <shawn.guo@...aro.org>,
	Sudeep Holla <sudeep.holla@....com>
Subject: Re: [PATCH Resend] driver/core: cpu: initialize opp table

On Tuesday, May 20, 2014 08:08:11 AM Viresh Kumar wrote:
> On 20 May 2014 02:43, Rafael J. Wysocki <rjw@...ysocki.net> wrote:
> > What about
> >
> >         if (error)
> >                 return error;
> >
> > and then you'd save an indentation level?
> 
> Yes.
> 
> > Anyway, I find adding of_node* stuff directly to the driver core this way
> > kind of disgusting as there still are platforms that don't use it.
> >
> > Can we have a call to a function that will change into an empty stub on such
> > platforms here, please?
> 
> Okay. But can you explain a bit more about how and where those stubs
> would be implemented?

In a header file included by cpu.c.  Something like

#if defined(CONFIG_OF) && defined(CONFIG_PM_OPP)
<function header>
#else
static inline <stub>
#endif


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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