This is a note to let you know that I've just added the patch titled
ARM: BCM63xx: fix parameter to of_get_cpu_node in bcm63138_smp_boot_secondary
to the 4.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-bcm63xx-fix-parameter-to-of_get_cpu_node-in-bcm63138_smp_boot_secondary.patch
and it can be found in the queue-4.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a6b4b25bd15c0a490769422a7eee355e9e91a57b Mon Sep 17 00:00:00 2001
From: Sudeep Holla <sudeep.holla@xxxxxxx>
Date: Fri, 10 Jul 2015 18:36:11 +0100
Subject: ARM: BCM63xx: fix parameter to of_get_cpu_node in bcm63138_smp_boot_secondary
From: Sudeep Holla <sudeep.holla@xxxxxxx>
commit a6b4b25bd15c0a490769422a7eee355e9e91a57b upstream.
of_get_cpu_node provides the device node associated with the given
logical CPU and cpu_logical_map contains the physical id for each CPU
in the logical ordering. Passing cpu_logical_map(cpu) to of_get_cpu_node
is incorrect.
This patch fixes the issue by passing the logical CPU number to
of_get_cpu_node
Fixes: ed5cd8163da8 ("ARM: BCM63xx: Add SMP support for BCM63138")
Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>
Cc: bcm-kernel-feedback-list@xxxxxxxxxxxx
Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-bcm/bcm63xx_smp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm/mach-bcm/bcm63xx_smp.c
+++ b/arch/arm/mach-bcm/bcm63xx_smp.c
@@ -127,7 +127,7 @@ static int bcm63138_smp_boot_secondary(u
}
/* Locate the secondary CPU node */
- dn = of_get_cpu_node(cpu_logical_map(cpu), NULL);
+ dn = of_get_cpu_node(cpu, NULL);
if (!dn) {
pr_err("SMP: failed to locate secondary CPU%d node\n", cpu);
ret = -ENODEV;
Patches currently in stable-queue which might be from sudeep.holla@xxxxxxx are
queue-4.2/arm-bcm63xx-fix-parameter-to-of_get_cpu_node-in-bcm63138_smp_boot_secondary.patch
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