generic swap(): ath9k: rename swap() to swap_array()

In preparation for the introduction of a generic swap() macro.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Cc: Luis R. Rodriguez <lrodriguez@atheros.com>
Cc: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Cc: Senthil Balasubramanian <senthilkumar@atheros.com>
Cc: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath9k/regd.c

@@ -42,7 +42,7 @@ ath9k_regd_sort(void *a, u32 n, u32 size, ath_hal_cmp_t *cmp)
 			u8 *u = t - size;
 			if (cmp(u, t) <= 0)
 				break;
-			swap(u, t, size);
+			swap_array(u, t, size);
 		}
 }
 

drivers/net/wireless/ath9k/regd.h

@@ -125,7 +125,7 @@
 
 #define CHAN_FLAGS      (CHANNEL_ALL|CHANNEL_HALF|CHANNEL_QUARTER)
 
-#define swap(_a, _b, _size) {                   \
+#define swap_array(_a, _b, _size) {                   \
 	u8 *s = _b;                       \
 	int i = _size;                          \
 	do {                                    \