Skip to contentSkip to conversation

ipw2200: rf kill switch polling power saving

PATCH New Stephen Hemminger 1 participant 1 message Jun 23, 2007 Networking drivers (wireless)

lore
Share & tools
lore

Stephen Hemminger

author
#0 lore raw

PATCH 1/1 ipw2200: rf kill switch polling power saving

Make the ipw2200 driver polling of rf kill switch occur on second boundaries to reduce power. Making all the wakeup's in the system occur together reduces power, and keeps CPU in idle longer.

Signed-off-by Stephen Hemminger <[email protected]>
drivers/net/wireless/ipw2200.c +3 -2
@@ -1751,7 +1751,7 @@ static int ipw_radio_kill_sw(struct ipw_
 			/* Make sure the RF_KILL check timer is running */
 			cancel_delayed_work(&priv->rf_kill);
 			queue_delayed_work(priv->workqueue, &priv->rf_kill,
-					   2 * HZ);
+					   round_jiffies(2 * HZ));
 		} else
 			queue_work(priv->workqueue, &priv->up);
 	}

@@ -4690,7 +4690,8 @@ static void ipw_rx_notification(struct i
 			else if (priv->config & CFG_BACKGROUND_SCAN
 				 && priv->status & STATUS_ASSOCIATED)
 				queue_delayed_work(priv->workqueue,
-						   &priv->request_scan, HZ);
+						   &priv->request_scan,
+						   round_jiffies(HZ));
 
 			/* Send an empty event to user space.
 			 * We don't send the received data on the event because