struct device_node *np;
        struct sti_vtg *vtg;
        struct resource *res;
-       char irq_name[32];
        int ret;
 
        vtg = devm_kzalloc(dev, sizeof(*vtg), GFP_KERNEL);
                        return vtg->irq;
                }
 
-               snprintf(irq_name, sizeof(irq_name), "vsync-%s",
-                               dev_name(vtg->dev));
-
                RAW_INIT_NOTIFIER_HEAD(&vtg->notifier_list);
 
                ret = devm_request_threaded_irq(dev, vtg->irq, vtg_irq,
-                               vtg_irq_thread, IRQF_ONESHOT, irq_name, vtg);
+                               vtg_irq_thread, IRQF_ONESHOT,
+                               dev_name(dev), vtg);
                if (IS_ERR_VALUE(ret)) {
                        DRM_ERROR("Failed to register VTG interrupt\n");
                        return ret;