diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 07ec8b390161..2e29bba9e6fa 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -35,6 +35,8 @@
 #include <linux/of.h>
 #include <linux/mutex.h>
 #include <linux/radix-tree.h>
+#include <linux/slab.h>
+#include <linux/irq.h>
 
 struct device_node;
 struct irq_domain;
@@ -380,6 +382,37 @@ extern unsigned int irq_create_mapping(struct irq_domain *host,
 extern unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec);
 extern void irq_dispose_mapping(unsigned int virq);
 
+/**
+* irq_dispose_all_tree_mappings() - Unmaps all interrupts from a domain
+* @domain: domain owning the interrupt range
+*
+* This routine helps unmap all the interrupts that were mapped to the
+* domain using a radix tree.
+*/
+static inline void irq_dispose_all_tree_mappings(
+					struct irq_domain *domain)
+{
+	struct irq_data **irq_data;
+	unsigned int num_irqs = 0;
+	unsigned int max_irqs = domain->mapcount;
+	unsigned int index = 0;
+
+	if (!max_irqs)
+		return;
+
+	irq_data = kcalloc(max_irqs, sizeof(*irq_data), GFP_KERNEL);
+	if (!irq_data)
+		return;
+
+	rcu_read_lock();
+	num_irqs = radix_tree_gang_lookup(&domain->revmap_tree,
+					(void **)irq_data, 0, max_irqs);
+	rcu_read_unlock();
+	for (index = 0; index < num_irqs; index++)
+		irq_dispose_mapping(irq_data[index]->irq);
+	kfree(irq_data);
+}
+
 /**
  * irq_linear_revmap() - Find a linux irq from a hw irq number.
  * @domain: domain owning this hardware interrupt