1 files changed, 3 insertions, 1 deletions

diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 13539e12cd80..c52b737ab8e3 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -275,11 +275,12 @@ static struct attribute *irq_attrs[] = {
         &actions_attr.attr,
         NULL
 };
+ATTRIBUTE_GROUPS(irq);
 
 static struct kobj_type irq_kobj_type = {
         .release        = irq_kobj_release,
         .sysfs_ops      = &kobj_sysfs_ops,
-        .default_attrs  = irq_attrs,
+        .default_groups = irq_groups,
 };
 
 static void irq_sysfs_add(int irq, struct irq_desc *desc)
@@ -558,6 +559,7 @@ int __init early_irq_init(void)
                 alloc_masks(&desc[i], node);
                 raw_spin_lock_init(&desc[i].lock);
                 lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);
+                mutex_init(&desc[i].request_mutex);
                 desc_set_defaults(i, &desc[i], node, NULL, NULL);
         }
         return arch_early_irq_init();