1 files changed, 20 insertions, 20 deletions

diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 6e295fce5c6f..8f1573e658a5 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -91,6 +91,7 @@
 #include <linux/mii.h>
 #include <linux/ip.h>
 #include <linux/tcp.h>
+#include <linux/mutex.h>
 
 #include <net/checksum.h>
 
@@ -3892,7 +3893,7 @@ static void cas_reset(struct cas *cp, int blkflag)
         spin_unlock(&cp->stat_lock[N_TX_RINGS]);
 }
 
-/* Shut down the chip, must be called with pm_sem held.  */
+/* Shut down the chip, must be called with pm_mutex held.  */
 static void cas_shutdown(struct cas *cp)
 {
         unsigned long flags;
@@ -4311,11 +4312,11 @@ static int cas_open(struct net_device *dev)
         int hw_was_up, err;
         unsigned long flags;
 
-        down(&cp->pm_sem);
+        mutex_lock(&cp->pm_mutex);
 
         hw_was_up = cp->hw_running;
 
-        /* The power-management semaphore protects the hw_running
+        /* The power-management mutex protects the hw_running
          * etc. state so it is safe to do this bit without cp->lock
          */
         if (!cp->hw_running) {
@@ -4364,7 +4365,7 @@ static int cas_open(struct net_device *dev)
         cas_unlock_all_restore(cp, flags);
 
         netif_start_queue(dev);
-        up(&cp->pm_sem);
+        mutex_unlock(&cp->pm_mutex);
         return 0;
 
 err_spare:
@@ -4372,7 +4373,7 @@ err_spare:
         cas_free_rxds(cp);
 err_tx_tiny:
         cas_tx_tiny_free(cp);
-        up(&cp->pm_sem);
+        mutex_unlock(&cp->pm_mutex);
         return err;
 }
 
@@ -4382,7 +4383,7 @@ static int cas_close(struct net_device *dev)
         struct cas *cp = netdev_priv(dev);
 
         /* Make sure we don't get distracted by suspend/resume */
-        down(&cp->pm_sem);
+        mutex_lock(&cp->pm_mutex);
 
         netif_stop_queue(dev);
 
@@ -4399,7 +4400,7 @@ static int cas_close(struct net_device *dev)
         cas_spare_free(cp);
         cas_free_rxds(cp);
         cas_tx_tiny_free(cp);
-        up(&cp->pm_sem);
+        mutex_unlock(&cp->pm_mutex);
         return 0;
 }
 
@@ -4834,10 +4835,10 @@ static int cas_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
         unsigned long flags;
         int rc = -EOPNOTSUPP;
         
-        /* Hold the PM semaphore while doing ioctl's or we may collide
+        /* Hold the PM mutex while doing ioctl's or we may collide
          * with open/close and power management and oops.
          */
-        down(&cp->pm_sem);
+        mutex_lock(&cp->pm_mutex);
         switch (cmd) {
         case SIOCGMIIPHY:               /* Get address of MII PHY in use. */
                 data->phy_id = cp->phy_addr;
@@ -4867,7 +4868,7 @@ static int cas_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
                 break;
         };
 
-        up(&cp->pm_sem);
+        mutex_unlock(&cp->pm_mutex);
         return rc;
 }
 
@@ -4994,7 +4995,7 @@ static int __devinit cas_init_one(struct pci_dev *pdev,
                 spin_lock_init(&cp->tx_lock[i]);
         }
         spin_lock_init(&cp->stat_lock[N_TX_RINGS]);
-        init_MUTEX(&cp->pm_sem);
+        mutex_init(&cp->pm_mutex);
 
         init_timer(&cp->link_timer);
         cp->link_timer.function = cas_link_timer;
@@ -5116,10 +5117,10 @@ err_out_free_consistent:
                             cp->init_block, cp->block_dvma);
 
 err_out_iounmap:
-        down(&cp->pm_sem);
+        mutex_lock(&cp->pm_mutex);
         if (cp->hw_running)
                 cas_shutdown(cp);
-        up(&cp->pm_sem);
+        mutex_unlock(&cp->pm_mutex);
 
         iounmap(cp->regs);
 
@@ -5152,11 +5153,11 @@ static void __devexit cas_remove_one(struct pci_dev *pdev)
         cp = netdev_priv(dev);
         unregister_netdev(dev);
 
-        down(&cp->pm_sem);
+        mutex_lock(&cp->pm_mutex);
         flush_scheduled_work();
         if (cp->hw_running)
                 cas_shutdown(cp);
-        up(&cp->pm_sem);
+        mutex_unlock(&cp->pm_mutex);
 
 #if 1
         if (cp->orig_cacheline_size) {
@@ -5183,10 +5184,7 @@ static int cas_suspend(struct pci_dev *pdev, pm_message_t state)
         struct cas *cp = netdev_priv(dev);
         unsigned long flags;
 
-        /* We hold the PM semaphore during entire driver
-         * sleep time
-         */
-        down(&cp->pm_sem);
+        mutex_lock(&cp->pm_mutex);
         
         /* If the driver is opened, we stop the DMA */
         if (cp->opened) {
@@ -5206,6 +5204,7 @@ static int cas_suspend(struct pci_dev *pdev, pm_message_t state)
 
         if (cp->hw_running)
                 cas_shutdown(cp);
+        mutex_unlock(&cp->pm_mutex);
 
         return 0;
 }
@@ -5217,6 +5216,7 @@ static int cas_resume(struct pci_dev *pdev)
 
         printk(KERN_INFO "%s: resuming\n", dev->name);
 
+        mutex_lock(&cp->pm_mutex);
         cas_hard_reset(cp);
         if (cp->opened) {
                 unsigned long flags;
@@ -5229,7 +5229,7 @@ static int cas_resume(struct pci_dev *pdev)
 
                 netif_device_attach(dev);
         }
-        up(&cp->pm_sem);
+        mutex_unlock(&cp->pm_mutex);
         return 0;
 }
 #endif /* CONFIG_PM */