mac802154: use put and get unaligned functions

This patch removes the swap pointer and memmove functionality. Instead
we use the well known put/get unaligned access with specific byte order
handling.
Signed-off-by: NAlexander Aring <aar@pengutronix.de>
Suggested-by: NMarc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

include/net/mac802154.h

@@ -16,10 +16,10 @@
 #ifndef NET_MAC802154_H
 #define NET_MAC802154_H
 
+#include <asm/unaligned.h>
 #include <net/af_ieee802154.h>
 #include <linux/ieee802154.h>
 #include <linux/skbuff.h>
-#include <linux/unaligned/memmove.h>
 
 #include <net/cfg802154.h>
 
@@ -254,7 +254,7 @@ static inline __le16 ieee802154_get_fc_from_skb(const struct sk_buff *skb)
 		return cpu_to_le16(0);
 	}
 
-	return (__force __le16)__get_unaligned_memmove16(skb_mac_header(skb));
+	return get_unaligned_le16(skb_mac_header(skb));
 }
 
 /**
@@ -264,7 +264,7 @@ static inline __le16 ieee802154_get_fc_from_skb(const struct sk_buff *skb)
  */
 static inline void ieee802154_be64_to_le64(void *le64_dst, const void *be64_src)
 {
-	__put_unaligned_memmove64(swab64p(be64_src), le64_dst);
+	put_unaligned_le64(get_unaligned_be64(be64_src), le64_dst);
 }
 
 /**
@@ -274,7 +274,7 @@ static inline void ieee802154_be64_to_le64(void *le64_dst, const void *be64_src)
  */
 static inline void ieee802154_le64_to_be64(void *be64_dst, const void *le64_src)
 {
-	__put_unaligned_memmove64(swab64p(le64_src), be64_dst);
+	put_unaligned_be64(get_unaligned_le64(le64_src), be64_dst);
 }
 
 /**
@@ -284,7 +284,7 @@ static inline void ieee802154_le64_to_be64(void *be64_dst, const void *le64_src)
  */
 static inline void ieee802154_le16_to_be16(void *be16_dst, const void *le16_src)
 {
-	__put_unaligned_memmove16(swab16p(le16_src), be16_dst);
+	put_unaligned_be16(get_unaligned_le16(le16_src), be16_dst);
 }
 
 /**