diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 886e80347b32..c7ddc87d6c87 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -257,13 +257,11 @@ int __init early_irq_init(void)
 	count = ARRAY_SIZE(irq_desc);
 
 	for (i = 0; i < count; i++) {
-		desc[i].irq_data.irq = i;
-		desc[i].irq_data.chip = &no_irq_chip;
 		desc[i].kstat_irqs = alloc_percpu(unsigned int);
-		irq_settings_clr_and_set(desc, ~0, _IRQ_DEFAULT_INIT_FLAGS);
-		alloc_masks(desc + i, GFP_KERNEL, node);
-		desc_smp_init(desc + i, node);
+		alloc_masks(&desc[i], GFP_KERNEL, node);
+		raw_spin_lock_init(&desc[i].lock);
 		lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);
+		desc_set_defaults(i, &desc[i], node);
 	}
 	return arch_early_irq_init();
 }