arm64: topology: Correct handling of thread zero in DT parsing

Reported-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c
index 8828e0bfc328b8f87123398caf5dbe826a3598e0..f9ffa81b3817e29f37b3b1102b0c26d091f81f73 100644 (file)
--- a/arch/arm64/kernel/topology.c
+++ b/arch/arm64/kernel/topology.c
@@ -115,7 +115,7 @@ static void __init parse_core(struct device_node *core, int core_id)
                if (t) {
                        leaf = false;
                        cpu = get_cpu_for_node(t);
-                       if (cpu) {
+                       if (cpu >= 0) {
                                pr_info("CPU%d: socket %d core %d thread %d\n",
                                        cpu, cluster_id, core_id, i);
                                cpu_topology[cpu].socket_id = cluster_id;