diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index b046b0711e13565414b5d076563f2a96ec2ca895..5d42d18bd4550173ff133e0b117bb4ee9e599e15 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -25,6 +25,8 @@
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/poll.h>
+#include <linux/dma-mapping.h>
+
 #include <asm/uaccess.h>
 #include <asm/semaphore.h>