1 files changed, 19 insertions, 0 deletions

diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index cb1a31e448ae..faf433af425e 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -12,6 +12,8 @@ struct irq_affinity_notify;
 struct proc_dir_entry;
 struct module;
 struct irq_desc;
+struct irq_domain;
+struct pt_regs;
 
 /**
  * struct irq_desc - interrupt descriptor
@@ -128,6 +130,23 @@ static inline void generic_handle_irq_desc(unsigned int irq, struct irq_desc *de
 
 int generic_handle_irq(unsigned int irq);
 
+#ifdef CONFIG_HANDLE_DOMAIN_IRQ
+/*
+ * Convert a HW interrupt number to a logical one using a IRQ domain,
+ * and handle the result interrupt number. Return -EINVAL if
+ * conversion failed. Providing a NULL domain indicates that the
+ * conversion has already been done.
+ */
+int __handle_domain_irq(struct irq_domain *domain, unsigned int hwirq,
+                        bool lookup, struct pt_regs *regs);
+
+static inline int handle_domain_irq(struct irq_domain *domain,
+                                    unsigned int hwirq, struct pt_regs *regs)
+{
+        return __handle_domain_irq(domain, hwirq, true, regs);
+}
+#endif
+
 /* Test to see if a driver has successfully requested an irq */
 static inline int irq_has_action(unsigned int irq)
 {