diff --git a/include/linux/irq.h b/include/linux/irq.h
index 451481c..4d9b26e 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -400,7 +400,9 @@
 
 /* Dynamic irq helper functions */
 extern void dynamic_irq_init(unsigned int irq);
+void dynamic_irq_init_keep_chip_data(unsigned int irq);
 extern void dynamic_irq_cleanup(unsigned int irq);
+void dynamic_irq_cleanup_keep_chip_data(unsigned int irq);
 
 /* Set/get chip/data for an IRQ: */
 extern int set_irq_chip(unsigned int irq, struct irq_chip *chip);