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-rw-r--r--arch/powerpc/kernel/smp.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index f7440f4eca2e..c23ee842c4c3 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -1313,18 +1313,13 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
int cpu_to_core_id(int cpu)
{
struct device_node *np;
- const __be32 *reg;
int id = -1;
np = of_get_cpu_node(cpu, NULL);
if (!np)
goto out;
- reg = of_get_property(np, "reg", NULL);
- if (!reg)
- goto out;
-
- id = be32_to_cpup(reg);
+ id = of_get_cpu_hwid(np, 0);
out:
of_node_put(np);
return id;