wl12xx: move ps_compl into wlvif

move ps_compl into the per-interface data, rather than
being global.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 76f4663..cb23553 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -1636,7 +1636,7 @@
 	if (!test_bit(WL1271_FLAG_PSM, &wl->flags)) {
 		DECLARE_COMPLETION_ONSTACK(compl);
 
-		wl->ps_compl = &compl;
+		wlvif->ps_compl = &compl;
 		ret = wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE,
 				   wlvif->basic_rate, true);
 		if (ret < 0)