[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 <shemminger@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c
index d51daf87450f..072ede71e575 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;
         }