Skip 'disabled' cpu nodes when building the cpu logical map. This avoids
booting cpus that have been disabled in the device tree.
Signed-off-by: Jürg Billeter <j@xxxxxxxxx>
Reviewed-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
---
arch/arm/kernel/devtree.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 739c3df..9aed299 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -95,6 +95,10 @@ void __init arm_dt_init_cpu_maps(void)
if (of_node_cmp(cpu->type, "cpu"))
continue;
+ /* Check if CPU is enabled */
+ if (!of_device_is_available(cpu))
+ continue;
+
pr_debug(" * %s...\n", cpu->full_name);
/*
* A device tree containing CPU nodes with missing "reg"
--
1.9.0
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