wl1251: use workqueue provided by mac80211

wl1251 should use workqueue created by mac80211 to not block the events
workqueue too long.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1251_spi.c b/drivers/net/wireless/wl12xx/wl1251_spi.c
index 7d1031b..e088334 100644
--- a/drivers/net/wireless/wl12xx/wl1251_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1251_spi.c
@@ -39,7 +39,7 @@
 
 	wl = cookie;
 
-	schedule_work(&wl->irq_work);
+	ieee80211_queue_work(wl->hw, &wl->irq_work);
 
 	return IRQ_HANDLED;
 }