[PATCH] remove many unneeded #includes of sched.h
[safe/jmp/linux-2.6] / drivers / usb / net / kaweth.c
index fa78326..de95268 100644 (file)
@@ -46,7 +46,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/init.h>
@@ -179,6 +178,7 @@ static struct usb_driver kaweth_driver = {
        .suspend =      kaweth_suspend,
        .resume =       kaweth_resume,
        .id_table =     usb_klsi_table,
+       .supports_autosuspend = 1,
 };
 
 typedef __u8 eth_addr_t[6];
@@ -225,6 +225,7 @@ struct kaweth_device
        struct delayed_work lowmem_work;
 
        struct usb_device *dev;
+       struct usb_interface *intf;
        struct net_device *net;
        wait_queue_head_t term_wait;
 
@@ -662,9 +663,14 @@ static int kaweth_open(struct net_device *net)
 
        dbg("Opening network device.");
 
+       res = usb_autopm_get_interface(kaweth->intf);
+       if (res) {
+               err("Interface cannot be resumed.");
+               return -EIO;
+       }
        res = kaweth_resubmit_rx_urb(kaweth, GFP_KERNEL);
        if (res)
-               return -EIO;
+               goto err_out;
 
        usb_fill_int_urb(
                kaweth->irq_urb,
@@ -681,7 +687,7 @@ static int kaweth_open(struct net_device *net)
        res = usb_submit_urb(kaweth->irq_urb, GFP_KERNEL);
        if (res) {
                usb_kill_urb(kaweth->rx_urb);
-               return -EIO;
+               goto err_out;
        }
        kaweth->opened = 1;
 
@@ -689,10 +695,14 @@ static int kaweth_open(struct net_device *net)
 
        kaweth_async_set_rx_mode(kaweth);
        return 0;
+
+err_out:
+       usb_autopm_enable(kaweth->intf);
+       return -EIO;
 }
 
 /****************************************************************
- *     kaweth_close
+ *     kaweth_kill_urbs
  ****************************************************************/
 static void kaweth_kill_urbs(struct kaweth_device *kaweth)
 {
@@ -724,17 +734,29 @@ static int kaweth_close(struct net_device *net)
 
        kaweth->status &= ~KAWETH_STATUS_CLOSING;
 
+       usb_autopm_enable(kaweth->intf);
+
        return 0;
 }
 
 static void kaweth_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
 {
+       struct kaweth_device *kaweth = netdev_priv(dev);
 
        strlcpy(info->driver, driver_name, sizeof(info->driver));
+       usb_make_path(kaweth->dev, info->bus_info, sizeof (info->bus_info));
+}
+
+static u32 kaweth_get_link(struct net_device *dev)
+{
+       struct kaweth_device *kaweth = netdev_priv(dev);
+
+       return kaweth->linkstate;
 }
 
 static struct ethtool_ops ops = {
-       .get_drvinfo = kaweth_get_drvinfo
+       .get_drvinfo    = kaweth_get_drvinfo,
+       .get_link       = kaweth_get_link
 };
 
 /****************************************************************
@@ -908,6 +930,7 @@ static int kaweth_suspend(struct usb_interface *intf, pm_message_t message)
        struct kaweth_device *kaweth = usb_get_intfdata(intf);
        unsigned long flags;
 
+       dbg("Suspending device");
        spin_lock_irqsave(&kaweth->device_lock, flags);
        kaweth->status |= KAWETH_STATUS_SUSPENDING;
        spin_unlock_irqrestore(&kaweth->device_lock, flags);
@@ -924,6 +947,7 @@ static int kaweth_resume(struct usb_interface *intf)
        struct kaweth_device *kaweth = usb_get_intfdata(intf);
        unsigned long flags;
 
+       dbg("Resuming device");
        spin_lock_irqsave(&kaweth->device_lock, flags);
        kaweth->status &= ~KAWETH_STATUS_SUSPENDING;
        spin_unlock_irqrestore(&kaweth->device_lock, flags);
@@ -1086,6 +1110,8 @@ err_fw:
 
        dbg("Initializing net device.");
 
+       kaweth->intf = intf;
+
        kaweth->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
        if (!kaweth->tx_urb)
                goto err_free_netdev;
@@ -1265,7 +1291,7 @@ static int kaweth_internal_control_msg(struct usb_device *usb_dev,
 {
         struct urb *urb;
         int retv;
-        int length;
+        int length = 0; /* shut up GCC */
 
         urb = usb_alloc_urb(0, GFP_NOIO);
         if (!urb)