[PATCH] ieee1394: update #include directives in midlayer header files

Remove unnecessary includes, add missing includes.
Use forward type declarations for some structs.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
diff --git a/drivers/ieee1394/dma.c b/drivers/ieee1394/dma.c
index ca5167d..c68f328 100644
--- a/drivers/ieee1394/dma.c
+++ b/drivers/ieee1394/dma.c
@@ -7,10 +7,13 @@
  * directory of the kernel sources for details.
  */
 
-#include <linux/module.h>
-#include <linux/vmalloc.h>
-#include <linux/slab.h>
 #include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <asm/scatterlist.h>
+
 #include "dma.h"
 
 /* dma_prog_region */