Re: [PATCH 095/105] ARM: 7762/1: kernel: fix arm_dt_init_cpu_maps()to skip non-cpu nodes

[Lorenzo Pieralisi]

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

> 
> ------------------
> 
> From: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> 
> 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@xxxxxxx>
> Acked-by: Nicolas Pitre <nico@xxxxxxxxxx>
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
> Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
> ---
>  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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