mac80211: remove Hi16, Lo16 helpers

index 9a36e83..264e392 100644
@@ -65,31 +65,16 @@ static inline u8 Hi8(u16 v)
 	return v >> 8;
 }
 
-
 static inline u8 Lo8(u16 v)
 {
 	return v & 0xff;
 }
 
-
-static inline u16 Hi16(u32 v)
-{
-	return v >> 16;
-}
-
-
-static inline u16 Lo16(u32 v)
-{
-	return v & 0xffff;
-}
-
 static u16 tkip_S(u16 val)
 {
 	return tkip_sbox[val & 0xff] ^ swab16(tkip_sbox[val >> 8]);
 }
 
-
-
 /* P1K := Phase1(TA, TK, TSC)
  * TA = transmitter address (48 bits)
  * TK = dot11DefaultKeyValue or dot11KeyMappingValue (128 bits)

@@ -102,8 +87,8 @@ static void tkip_mixing_phase1(const u8 *ta, const u8 *tk, u32 tsc_IV32,
 	int i, j;
 	__le16 *leptr = (__le16 *)ta;
 
-	p1k[0] = Lo16(tsc_IV32);
-	p1k[1] = Hi16(tsc_IV32);
+	p1k[0] = tsc_IV32 & 0xffff;
+	p1k[1] = tsc_IV32 >> 16;
 	p1k[2] = le16_to_cpup(leptr++);
 	p1k[3] = le16_to_cpup(leptr++);
 	p1k[4] = le16_to_cpup(leptr++);