commit 7af729b5d56fbe45abf466b656ccab65aa6f6646
Author: Jiri Slaby <ku@bellona.localdomain>
Date:   Tue Jul 24 08:51:32 2007 +0200

    add unaligned access macros

diff --git a/ath.c b/ath.c
index d2c9214..81cd577 100644
--- a/ath.c
+++ b/ath.c
@@ -35,6 +35,7 @@
 #include <net/ieee80211_radiotap.h>
 
 #include <asm/uaccess.h>
+#include <asm/unaligned.h>
 
 #include "ath.h"
 #include "ath5k_reg.h"
@@ -43,6 +44,10 @@
 #define ATH_DUMP_SKB		0 /* show skb contents */
 #define AR_DEBUG		1
 
+/* unaligned little endian access */
+#define LE_READ_2(_p) (le16_to_cpu(get_unaligned((__le16 *)(_p))))
+#define LE_READ_4(_p) (le32_to_cpu(get_unaligned((__le32 *)(_p))))
+
 #if AR_DEBUG
 #define	DPRINTF(sc, _m, _fmt...) do {				\
 	if (unlikely(((sc)->debug & (_m)) && net_ratelimit()))	\