ieee1394: eth1394: coding style

Adjust white space and line wraps.  Remove unnecessary parentheses and
braces, unused macros, and some of the more redundant comments.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

drivers/ieee1394/eth1394.h

@@ -25,6 +25,8 @@
 #define __ETH1394_H
 
 #include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <asm/byteorder.h>
 
 #include "ieee1394.h"
 #include "ieee1394_types.h"
@@ -35,22 +37,15 @@
 
 /* GASP identifier numbers for IPv4 over IEEE 1394 */
 #define ETHER1394_GASP_SPECIFIER_ID	0x00005E
-#define ETHER1394_GASP_SPECIFIER_ID_HI	((ETHER1394_GASP_SPECIFIER_ID >> 8) & 0xffff)
-#define ETHER1394_GASP_SPECIFIER_ID_LO	(ETHER1394_GASP_SPECIFIER_ID & 0xff)
+#define ETHER1394_GASP_SPECIFIER_ID_HI	((0x00005E >> 8) & 0xffff)
+#define ETHER1394_GASP_SPECIFIER_ID_LO	(0x00005E & 0xff)
 #define ETHER1394_GASP_VERSION		1
 
-#define ETHER1394_GASP_OVERHEAD (2 * sizeof(quadlet_t))  /* GASP header overhead */
+#define ETHER1394_GASP_OVERHEAD	(2 * sizeof(quadlet_t))	/* for GASP header */
 
 #define ETHER1394_GASP_BUFFERS	16
 
-/* rawiso buffer size - due to a limitation in rawiso, we must limit each
- * GASP buffer to be less than PAGE_SIZE. */
-#define ETHER1394_ISO_BUF_SIZE	ETHER1394_GASP_BUFFERS *                        \
-				   min((unsigned int)PAGE_SIZE,                 \
-				       2 * (1U << (priv->host->csr.max_rec + 1)))
-
-/* Node set == 64 */
-#define NODE_SET			(ALL_NODES + 1)
+#define NODE_SET		(ALL_NODES + 1)		/* Node set == 64 */
 
 enum eth1394_bc_states { ETHER1394_BC_ERROR,
 			 ETHER1394_BC_RUNNING,
@@ -86,19 +81,14 @@ struct eth1394hdr {
 	unsigned short	h_proto;		/* packet type ID field	*/
 }  __attribute__((packed));
 
-#ifdef __KERNEL__
-#include <linux/skbuff.h>
-
 static inline struct eth1394hdr *eth1394_hdr(const struct sk_buff *skb)
 {
 	return (struct eth1394hdr *)skb_mac_header(skb);
 }
-#endif
 
 typedef enum {ETH1394_GASP, ETH1394_WRREQ} eth1394_tx_type;
 
 /* IP1394 headers */
-#include <asm/byteorder.h>
 
 /* Unfragmented */
 #if defined __BIG_ENDIAN_BITFIELD