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[3.8.y.z,extended,stable] Patch "ARM: 7762/1: kernel: fix arm_dt_init_cpu_maps() to skip non-cpu nodes" has been added to staging queue

Message ID 1372290223-14819-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa June 26, 2013, 11:43 p.m. UTC
This is a note to let you know that I have just added a patch titled

    ARM: 7762/1: kernel: fix arm_dt_init_cpu_maps() to skip non-cpu nodes

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.4.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From 945aef3a203a7433f38c6c7f89746f94bdf86ecd Mon Sep 17 00:00:00 2001
From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Date: Wed, 19 Jun 2013 10:36:26 +0100
Subject: ARM: 7762/1: kernel: fix arm_dt_init_cpu_maps() to skip non-cpu nodes

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@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 arch/arm/kernel/devtree.c | 3 +++
 1 file changed, 3 insertions(+)

--
1.8.1.2
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Patch

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"