From be0976be9148f31ee0d1997354c3e30ff8d07587 Mon Sep 17 00:00:00 2001
From: Jeff Garzik <jeff@garzik.org>
Date: Fri, 27 Jun 2008 02:20:20 -0400
Subject: [PATCH] [netdrvr] kill sync_irq-before-freq_irq pattern

synchronize_irq() is superfluous when free_irq() call immediately follows it,
because free_irq() also does a synchronize_irq() call of its own.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/8139cp.c       | 1 -
 drivers/net/8139too.c      | 1 -
 drivers/net/dl2k.c         | 2 +-
 drivers/net/pci-skeleton.c | 1 -
 drivers/net/tsi108_eth.c   | 1 -
 drivers/net/typhoon.c      | 3 ---
 6 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 934db350e339..6011d6fabef0 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -1213,7 +1213,6 @@ static int cp_close (struct net_device *dev)
 
 	spin_unlock_irqrestore(&cp->lock, flags);
 
-	synchronize_irq(dev->irq);
 	free_irq(dev->irq, dev);
 
 	cp_free_rings(cp);
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 0cd8e258f882..75317a14ad1c 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -2231,7 +2231,6 @@ static int rtl8139_close (struct net_device *dev)
 
 	spin_unlock_irqrestore (&tp->lock, flags);
 
-	synchronize_irq (dev->irq);	/* racy, but that's ok here */
 	free_irq (dev->irq, dev);
 
 	rtl8139_tx_clear (tp);
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index 8277e89e552d..f8037110a522 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -1753,7 +1753,7 @@ rio_close (struct net_device *dev)
 
 	/* Stop Tx and Rx logics */
 	writel (TxDisable | RxDisable | StatsDisable, ioaddr + MACCtrl);
-	synchronize_irq (dev->irq);
+
 	free_irq (dev->irq, dev);
 	del_timer_sync (&np->timer);
 
diff --git a/drivers/net/pci-skeleton.c b/drivers/net/pci-skeleton.c
index fffc49befe04..53451c3b2c0d 100644
--- a/drivers/net/pci-skeleton.c
+++ b/drivers/net/pci-skeleton.c
@@ -1739,7 +1739,6 @@ static int netdrv_close (struct net_device *dev)
 
 	spin_unlock_irqrestore (&tp->lock, flags);
 
-	synchronize_irq (dev->irq);
 	free_irq (dev->irq, dev);
 
 	netdrv_tx_clear (dev);
diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c
index febfaee44fe9..43fde99b24ac 100644
--- a/drivers/net/tsi108_eth.c
+++ b/drivers/net/tsi108_eth.c
@@ -1437,7 +1437,6 @@ static int tsi108_close(struct net_device *dev)
 		dev_kfree_skb(skb);
 	}
 
-	synchronize_irq(data->irq_num);
 	free_irq(data->irq_num, dev);
 
 	/* Discard the RX ring. */
diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index c0dd25ba7a18..8549f1159a30 100644
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -334,8 +334,6 @@ enum state_values {
 #define TYPHOON_RESET_TIMEOUT_NOSLEEP	((6 * 1000000) / TYPHOON_UDELAY)
 #define TYPHOON_WAIT_TIMEOUT		((1000000 / 2) / TYPHOON_UDELAY)
 
-#define typhoon_synchronize_irq(x) synchronize_irq(x)
-
 #if defined(NETIF_F_TSO)
 #define skb_tso_size(x)		(skb_shinfo(x)->gso_size)
 #define TSO_NUM_DESCRIPTORS	2
@@ -2143,7 +2141,6 @@ typhoon_close(struct net_device *dev)
 		printk(KERN_ERR "%s: unable to stop runtime\n", dev->name);
 
 	/* Make sure there is no irq handler running on a different CPU. */
-	typhoon_synchronize_irq(dev->irq);
 	free_irq(dev->irq, dev);
 
 	typhoon_free_rx_rings(tp);