ath9k_hw: Move code which populates ds_data to ath9k_hw

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index ae9d54c..0c9c378 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -220,10 +220,13 @@
 
 void ath9k_hw_filltxdesc(struct ath_hw *ah, struct ath_desc *ds,
 			 u32 segLen, bool firstSeg,
-			 bool lastSeg, const struct ath_desc *ds0)
+			 bool lastSeg, const struct ath_desc *ds0,
+			 dma_addr_t buf_addr)
 {
 	struct ar5416_desc *ads = AR5416DESC(ds);
 
+	ads->ds_data = buf_addr;
+
 	if (firstSeg) {
 		ads->ds_ctl1 |= segLen | (lastSeg ? 0 : AR_TxMore);
 	} else if (lastSeg) {