wl12xx: move pspoll_work into wlvif

move pspoll_work 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 09983de..76f4663 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -1766,7 +1766,7 @@
 
 	wl1271_enable_interrupts(wl);
 	flush_work(&wl->tx_work);
-	flush_delayed_work(&wl->pspoll_work);
+	flush_delayed_work(&wlvif->pspoll_work);
 	flush_delayed_work(&wl->elp_work);
 
 	return 0;
@@ -1902,6 +1902,8 @@
 	wlvif->rate_set = CONF_TX_RATE_MASK_BASIC;
 	wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT;
 
+	INIT_DELAYED_WORK(&wlvif->pspoll_work, wl1271_pspoll_work);
+
 	return 0;
 }
 
@@ -1941,6 +1943,7 @@
 	if (ret < 0)
 		goto out;
 
+	wlvif->wl = wl;
 	role_type = wl12xx_get_role_type(wl, wlvif);
 	if (role_type == WL12XX_INVALID_ROLE_TYPE) {
 		ret = -EINVAL;
@@ -2126,7 +2129,7 @@
 	del_timer_sync(&wl->rx_streaming_timer);
 	cancel_work_sync(&wl->rx_streaming_enable_work);
 	cancel_work_sync(&wl->rx_streaming_disable_work);
-	cancel_delayed_work_sync(&wl->pspoll_work);
+	cancel_delayed_work_sync(&wlvif->pspoll_work);
 	cancel_delayed_work_sync(&wl->elp_work);
 
 	mutex_lock(&wl->mutex);
@@ -4874,7 +4877,6 @@
 	skb_queue_head_init(&wl->deferred_tx_queue);
 
 	INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
-	INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work);
 	INIT_WORK(&wl->netstack_work, wl1271_netstack_work);
 	INIT_WORK(&wl->tx_work, wl1271_tx_work);
 	INIT_WORK(&wl->recovery_work, wl1271_recovery_work);