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[PATCH] ipw2200: rf kill switch polling power saving

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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@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Stephen Hemminger 2007-06-22 21:34:06 -07:00 committed by John W. Linville
parent 899413de1a
commit 1c9d5e41e3
1 changed files with 3 additions and 2 deletions
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5
drivers/net/wireless/ipw2200.c
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@ -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