+}
+
+/* Handling of unhandled and spurious interrupts: */
+extern void note_interrupt(unsigned int irq, struct irq_desc *desc,
+ int action_ret);
+
+/* Resending of interrupts :*/
+void check_irq_resend(struct irq_desc *desc, unsigned int irq);
+
+/* Initialize /proc/irq/ */
+extern void init_irq_proc(void);
+
+/* Enable/disable irq debugging output: */
+extern int noirqdebug_setup(char *str);
+
+/* Checks whether the interrupt can be requested by request_irq(): */
+extern int can_request_irq(unsigned int irq, unsigned long irqflags);
+
+/* Dummy irq-chip implementations: */
+extern struct irq_chip no_irq_chip;
+extern struct irq_chip dummy_irq_chip;
+
+extern void
+set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip,
+ irq_flow_handler_t handle);
+extern void
+set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
+ irq_flow_handler_t handle, const char *name);
+
+extern void
+__set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
+ const char *name);
+
+/*
+ * Set a highlevel flow handler for a given IRQ:
+ */
+static inline void
+set_irq_handler(unsigned int irq, irq_flow_handler_t handle)
+{
+ __set_irq_handler(irq, handle, 0, NULL);
+}
+
+/*
+ * Set a highlevel chained flow handler for a given IRQ.
+ * (a chained handler is automatically enabled and set to
+ * IRQ_NOREQUEST and IRQ_NOPROBE)
+ */
+static inline void
+set_irq_chained_handler(unsigned int irq,
+ irq_flow_handler_t handle)
+{
+ __set_irq_handler(irq, handle, 1, NULL);
+}
+
+/* Handle dynamic irq creation and destruction */
+extern int create_irq(void);
+extern void destroy_irq(unsigned int irq);
+
+/* Test to see if a driver has successfully requested an irq */
+static inline int irq_has_action(unsigned int irq)
+{
+ struct irq_desc *desc = irq_desc + irq;
+ return desc->action != NULL;
+}
+
+/* Dynamic irq helper functions */
+extern void dynamic_irq_init(unsigned int irq);
+extern void dynamic_irq_cleanup(unsigned int irq);
+
+/* Set/get chip/data for an IRQ: */
+extern int set_irq_chip(unsigned int irq, struct irq_chip *chip);
+extern int set_irq_data(unsigned int irq, void *data);
+extern int set_irq_chip_data(unsigned int irq, void *data);
+extern int set_irq_type(unsigned int irq, unsigned int type);
+
+#define get_irq_chip(irq) (irq_desc[irq].chip)
+#define get_irq_chip_data(irq) (irq_desc[irq].chip_data)
+#define get_irq_data(irq) (irq_desc[irq].handler_data)
+
+#endif /* CONFIG_GENERIC_HARDIRQS */
+
+#endif /* !CONFIG_S390 */