From: Stephen Hemminger Date: Sat, 23 Jun 2007 04:34:06 +0000 (-0700) Subject: [PATCH] ipw2200: rf kill switch polling power saving X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1c9d5e41e32a3bfe60f44e3272c05d14ea595a71;p=linux-beck.git [PATCH] 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 Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 7cb2052a55a5..aa32a97380ec 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -1751,7 +1751,7 @@ static int ipw_radio_kill_sw(struct ipw_priv *priv, int disable_radio) /* 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 ipw_priv *priv, 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