natsemi: Use round_jiffies() for slow timers

Unless we have failed to fill the RX ring the timer used by the natsemi
driver is not particularly urgent and can use round_jiffies() to allow
grouping with other timers.

Signed-off-by: Mark Brown <broonie@sirena.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index 527f9dcc7f69f3b7bc212ed4c363d0690c66b98b..b881786eebd492722ffb01294474ecbce683fed7 100644 (file)
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -1576,7 +1576,7 @@ static int netdev_open(struct net_device *dev)
 
        /* Set the timer to check for link beat. */
        init_timer(&np->timer);
-       np->timer.expires = jiffies + NATSEMI_TIMER_FREQ;
+       np->timer.expires = round_jiffies(jiffies + NATSEMI_TIMER_FREQ);
        np->timer.data = (unsigned long)dev;
        np->timer.function = &netdev_timer; /* timer handler */
        add_timer(&np->timer);
@@ -1856,7 +1856,11 @@ static void netdev_timer(unsigned long data)
                        next_tick = 1;
                }
        }
-       mod_timer(&np->timer, jiffies + next_tick);
+
+       if (next_tick > 1)
+               mod_timer(&np->timer, round_jiffies(jiffies + next_tick));
+       else
+               mod_timer(&np->timer, jiffies + next_tick);
 }
 
 static void dump_ring(struct net_device *dev)
@@ -3331,7 +3335,7 @@ static int natsemi_resume (struct pci_dev *pdev)
                spin_unlock_irq(&np->lock);
                enable_irq(dev->irq);
 
-               mod_timer(&np->timer, jiffies + 1*HZ);
+               mod_timer(&np->timer, round_jiffies(jiffies + 1*HZ));
        }
        netif_device_attach(dev);
 out: