From a62056f0b0cfdc175afd99fef80a68f01cdf0f4b Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 22 Jun 2007 21:46:50 -0700 Subject: [PATCH] [PATCH] ipw2100: RF kill switch timer power save Similar patch to ipw2200. Round the timer used for RF kill switch off to 1 second boundary to save power. Build tested only, don't have this hardware. Signed-off-by: Stephen Hemminger Signed-off-by: John W. Linville --- drivers/net/wireless/ipw2100.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index d51daf87450..072ede71e57 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -1768,7 +1768,8 @@ static int ipw2100_up(struct ipw2100_priv *priv, int deferred) if (priv->stop_rf_kill) { priv->stop_rf_kill = 0; - queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); + queue_delayed_work(priv->workqueue, &priv->rf_kill, + round_jiffies(HZ)); } deferred = 1; @@ -2098,7 +2099,7 @@ static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status) /* Make sure the RF Kill check timer is running */ priv->stop_rf_kill = 0; cancel_delayed_work(&priv->rf_kill); - queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); + queue_delayed_work(priv->workqueue, &priv->rf_kill, round_jiffies(HZ)); } static void isr_scan_complete(struct ipw2100_priv *priv, u32 status) @@ -4233,7 +4234,8 @@ static int ipw_radio_kill_sw(struct ipw2100_priv *priv, int disable_radio) /* Make sure the RF_KILL check timer is running */ priv->stop_rf_kill = 0; cancel_delayed_work(&priv->rf_kill); - queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); + queue_delayed_work(priv->workqueue, &priv->rf_kill, + round_jiffies(HZ)); } else schedule_reset(priv); } @@ -5969,7 +5971,8 @@ static void ipw2100_rf_kill(struct work_struct *work) if (rf_kill_active(priv)) { IPW_DEBUG_RF_KILL("RF Kill active, rescheduling GPIO check\n"); if (!priv->stop_rf_kill) - queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); + queue_delayed_work(priv->workqueue, &priv->rf_kill, + round_jiffies(HZ)); goto exit_unlock; } -- 2.41.1