ath9k: Wakeup the chip in an appropriate place in ath_paprd_calibrate()

Move ath9k_ps_wakeup() down just before accessing hw registers.

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/main.c b/drivers/net/wireless/ath/ath9k/main.c
index c070e01..87356fc 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -268,7 +268,6 @@
 	int time_left;
 	int i;
 
-	ath9k_ps_wakeup(sc);
 	skb = alloc_skb(len, GFP_KERNEL);
 	if (!skb)
 		return;
@@ -289,6 +288,7 @@
 	qnum = sc->tx.hwq_map[WME_AC_BE];
 	txctl.txq = &sc->tx.txq[qnum];
 
+	ath9k_ps_wakeup(sc);
 	ar9003_paprd_init_table(ah);
 	for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
 		if (!(ah->caps.tx_chainmask & BIT(chain)))