diff --git a/drivers/serial/8250.h b/drivers/serial/8250.h
index 5202603..6e19ea3 100644
--- a/drivers/serial/8250.h
+++ b/drivers/serial/8250.h
@@ -25,6 +25,7 @@
 	unsigned char io_type;
 	unsigned char *iomem_base;
 	unsigned short iomem_reg_shift;
+	unsigned long irqflags;
 };
 
 /*