linux-kernel - Re: [PATCH 095/105] ARM: 7762/1: kernel: fix arm_dt_init_cpu

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Message-ID: <1372515760.12249.172.camel@fourier>
Date:	Sat, 29 Jun 2013 07:22:40 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>,
	"kernel-team@...ts.ubuntu.com" <kernel-team@...ts.ubuntu.com>,
	Russell King <rmk+kernel@....linux.org.uk>
Subject: Re: [PATCH 095/105] ARM: 7762/1: kernel: fix arm_dt_init_cpu_maps()
 to skip non-cpu nodes

On Sat, 2013-06-29 at 00:53 +0100, Lorenzo Pieralisi wrote:
> On Fri, Jun 28, 2013 at 07:51:57PM +0100, Kamal Mostafa wrote:
> > 3.8.13.4 -stable review patch.  If anyone has any objections, please let me know.
> 
> Owing to dependencies on other patches getting upstreamed but not
> necessarily backported to stable, waiting for a decision on how to solve
> dependencies to be made asap, please drop this patch from the queue since
> it can trigger regressions.
> 
> Thanks and apologies,
> Lorenzo


Dropped from the 3.8.y queue.  Thanks Lorenzo.

 -Kamal


> > 
> > ------------------
> > 
> > From: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> > 
> > commit 1ba9bf0a9ae779c1a2b3eb64951e4161d9bad7a9 upstream.
> > 
> > The introduction of the cpu-map topology node in the cpus node implies
> > that cpus node might have children that are not cpu nodes. The DT
> > parsing code needs updating otherwise it would check for cpu nodes
> > properties in nodes that are not required to contain them, resulting
> > in warnings that have no bearing on bindings defined in the dts source file.
> > 
> > Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> > Acked-by: Nicolas Pitre <nico@...aro.org>
> > Signed-off-by: Russell King <rmk+kernel@....linux.org.uk>
> > Signed-off-by: Kamal Mostafa <kamal@...onical.com>
> > ---
> >  arch/arm/kernel/devtree.c | 3 +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
> > index 70f1bde..93fde23 100644
> > --- a/arch/arm/kernel/devtree.c
> > +++ b/arch/arm/kernel/devtree.c
> > @@ -92,6 +92,9 @@ void __init arm_dt_init_cpu_maps(void)
> >  	for_each_child_of_node(cpus, cpu) {
> >  		u32 hwid;
> >  
> > +		if (of_node_cmp(cpu->type, "cpu"))
> > +			continue;
> > +
> >  		pr_debug(" * %s...\n", cpu->full_name);
> >  		/*
> >  		 * A device tree containing CPU nodes with missing "reg"
> > -- 
> > 1.8.1.2
> > 
> > 
> 


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