linux-kernel - Re: [PATCH v2] ARM: EXYNOS: mcpm: Don't rely on firmware's secondary_cpu

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Message-ID: <alpine.LFD.2.11.1406091649290.25775@knanqh.ubzr>
Date:	Mon, 9 Jun 2014 16:55:58 -0400 (EDT)
From:	Nicolas Pitre <nicolas.pitre@...aro.org>
To:	Kevin Hilman <khilman@...aro.org>
cc:	Andrew Bresticker <abrestic@...omium.org>,
	Doug Anderson <dianders@...omium.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Abhilash Kesavan <a.kesavan@...sung.com>,
	Inderpal Singh <inderpal.s@...sung.com>,
	Thomas Abraham <thomas.ab@...sung.com>,
	Olof Johansson <olof@...om.net>,
	Tushar Behera <trblinux@...il.com>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] ARM: EXYNOS: mcpm: Don't rely on firmware's
 secondary_cpu_start

On Mon, 9 Jun 2014, Kevin Hilman wrote:

> On Mon, Jun 9, 2014 at 1:22 PM, Nicolas Pitre <nicolas.pitre@...aro.org> wrote:
> > On Mon, 9 Jun 2014, Andrew Bresticker wrote:
> >
> >> > [1] While waiting for the forth-coming patch from Andrew to enable the
> >> >     CCI port for the boot cluster), I do this from u-boot before starting
> >> >     the kernel (based on earlier email from Doug):
> >> >
> >> >     mw.l 10d25000 3  # Enable CCI from U-Boot
> >>
> >> From the other thread, it sounds like Nicolas wants enabling of the
> >> boot cluster's CCI port to be done unconditionally for all MCPM
> >> platforms.  Nicolas, are you preparing a patch for this or should I?
> >
> > I would like confirmation this indeed solves your problem first before I
> > go ahead with it.
> 
> FYI... I confirmed on the other thread.  It works on the Chromebook2.

OK I'll clean it up for mainline.


Nicolas
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