diff --git a/drivers/hwtracing/coresight/coresight-ctcu-core.c b/drivers/hwtracing/coresight/coresight-ctcu-core.c
index 6813ae6e929b..9043cad42f01 100644
--- a/drivers/hwtracing/coresight/coresight-ctcu-core.c
+++ b/drivers/hwtracing/coresight/coresight-ctcu-core.c
@@ -226,6 +226,7 @@ static int ctcu_probe(struct platform_device *pdev)
 	desc.dev = dev;
 	desc.ops = &ctcu_ops;
 	desc.access = CSDEV_ACCESS_IOMEM(base);
+	raw_spin_lock_init(&drvdata->spin_lock);
 
 	drvdata->csdev = coresight_register(&desc);
 	if (IS_ERR(drvdata->csdev))