diff --git a/include/linux/irq.h b/include/linux/irq.h
index 38709a3a..7f1f015 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -704,10 +704,12 @@
  * @IRQ_GC_INIT_NESTED_LOCK:	Set the lock class of the irqs to nested for
  *				irq chips which need to call irq_set_wake() on
  *				the parent irq. Usually GPIO implementations
+ * @IRQ_GC_MASK_CACHE_PER_TYPE:	Mask cache is chip type private
  */
 enum irq_gc_flags {
 	IRQ_GC_INIT_MASK_CACHE		= 1 << 0,
 	IRQ_GC_INIT_NESTED_LOCK		= 1 << 1,
+	IRQ_GC_MASK_CACHE_PER_TYPE	= 1 << 2,
 };
 
 /* Generic chip callback functions */