atlx: timer cleanup

Do some cleanup on timer usage in this driver:
  * Use round_jiffies to align wakeups and reduce power.
  * Remove atl1_watchdog which does nothing but rearm itself
  * Use setup_timer() function

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 4 insertions, 21 deletions

diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 6cc4761..3836e62 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -1390,7 +1390,8 @@ static u32 atl1_check_link(struct atl1_adapter *adapter)
 	/* auto-neg, insert timer to re-config phy */
 	if (!adapter->phy_timer_pending) {
 		adapter->phy_timer_pending = true;
-		mod_timer(&adapter->phy_config_timer, jiffies + 3 * HZ);
+		mod_timer(&adapter->phy_config_timer,
+			  round_jiffies(jiffies + 3 * HZ));
 	}
 
 	return 0;
@@ -2525,17 +2526,6 @@ static irqreturn_t atl1_intr(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
-/*
- * atl1_watchdog - Timer Call-back
- * @data: pointer to netdev cast into an unsigned long
- */
-static void atl1_watchdog(unsigned long data)
-{
-	struct atl1_adapter *adapter = (struct atl1_adapter *)data;
-
-	/* Reset the timer */
-	mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
-}
 
 /*
  * atl1_phy_config - Timer Call-back
@@ -2608,7 +2598,6 @@ static s32 atl1_up(struct atl1_adapter *adapter)
 	if (unlikely(err))
 		goto err_up;
 
-	mod_timer(&adapter->watchdog_timer, jiffies);
 	atlx_irq_enable(adapter);
 	atl1_check_link(adapter);
 	netif_start_queue(netdev);
@@ -2626,7 +2615,6 @@ static void atl1_down(struct atl1_adapter *adapter)
 	struct net_device *netdev = adapter->netdev;
 
 	netif_stop_queue(netdev);
-	del_timer_sync(&adapter->watchdog_timer);
 	del_timer_sync(&adapter->phy_config_timer);
 	adapter->phy_timer_pending = false;
 
@@ -3050,13 +3038,8 @@ static int __devinit atl1_probe(struct pci_dev *pdev,
 	netif_carrier_off(netdev);
 	netif_stop_queue(netdev);
 
-	init_timer(&adapter->watchdog_timer);
-	adapter->watchdog_timer.function = &atl1_watchdog;
-	adapter->watchdog_timer.data = (unsigned long)adapter;
-
-	init_timer(&adapter->phy_config_timer);
-	adapter->phy_config_timer.function = &atl1_phy_config;
-	adapter->phy_config_timer.data = (unsigned long)adapter;
+	setup_timer(&adapter->phy_config_timer, &atl1_phy_config,
+		    (unsigned long)adapter);
 	adapter->phy_timer_pending = false;
 
 	INIT_WORK(&adapter->tx_timeout_task, atl1_tx_timeout_task);