diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
index 7ce0ea64465ccd666b5b2c234db58ac497cd7e03..28958101061f9a922cf4c79f7cd41c8ec3472e45 100644
--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -36,6 +36,7 @@
 #include <linux/completion.h>
 #include <linux/device.h>
 #include <linux/kthread.h>
+#include <linux/platform_device.h>
 
 #include <asm/uaccess.h>
 #include <asm/semaphore.h>