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 <shemminger@xxxxxxxxxxxxxxxxxxxx> --- a/drivers/net/wireless/ipw2200.c 2007-06-22 09:11:41.000000000 -0700 +++ b/drivers/net/wireless/ipw2200.c 2007-06-22 09:16:24.000000000 -0700 @@ -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 - To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
