4 files changed, 23 insertions, 5 deletions

diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 341f7056a800..a301479ecc60 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -460,7 +460,7 @@ static const struct driver_info	cdc_info = {
 	.manage_power =	cdc_manage_power,
 };
 
-static const struct driver_info mbm_info = {
+static const struct driver_info wwan_info = {
 	.description =	"Mobile Broadband Network Device",
 	.flags =	FLAG_WWAN,
 	.bind =		usbnet_cdc_bind,
@@ -471,6 +471,7 @@ static const struct driver_info mbm_info = {
 
 /*-------------------------------------------------------------------------*/
 
+#define HUAWEI_VENDOR_ID	0x12D1
 
 static const struct usb_device_id	products [] = {
 /*
@@ -587,8 +588,17 @@ static const struct usb_device_id	products [] = {
 }, {
 	USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM,
 			USB_CDC_PROTO_NONE),
-	.driver_info = (unsigned long)&mbm_info,
+	.driver_info = (unsigned long)&wwan_info,
 
+}, {
+	/* Various Huawei modems with a network port like the UMG1831 */
+	.match_flags    =   USB_DEVICE_ID_MATCH_VENDOR
+		 | USB_DEVICE_ID_MATCH_INT_INFO,
+	.idVendor               = HUAWEI_VENDOR_ID,
+	.bInterfaceClass	= USB_CLASS_COMM,
+	.bInterfaceSubClass	= USB_CDC_SUBCLASS_ETHERNET,
+	.bInterfaceProtocol	= 255,
+	.driver_info = (unsigned long)&wwan_info,
 },
 	{ },		// END
 };
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 967371f04454..1033ef6476a4 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -54,13 +54,13 @@
 #include <linux/usb/usbnet.h>
 #include <linux/usb/cdc.h>
 
-#define	DRIVER_VERSION				"7-Feb-2011"
+#define	DRIVER_VERSION				"23-Apr-2011"
 
 /* CDC NCM subclass 3.2.1 */
 #define USB_CDC_NCM_NDP16_LENGTH_MIN		0x10
 
 /* Maximum NTB length */
-#define	CDC_NCM_NTB_MAX_SIZE_TX			16384	/* bytes */
+#define	CDC_NCM_NTB_MAX_SIZE_TX			(16384 + 4) /* bytes, must be short terminated */
 #define	CDC_NCM_NTB_MAX_SIZE_RX			16384	/* bytes */
 
 /* Minimum value for MaxDatagramSize, ch. 6.2.9 */
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 47a6c870b51f..48d4efdb4959 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -730,7 +730,7 @@ static int smsc95xx_phy_initialize(struct usbnet *dev)
 		msleep(10);
 		bmcr = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR);
 		timeout++;
-	} while ((bmcr & MII_BMCR) && (timeout < 100));
+	} while ((bmcr & BMCR_RESET) && (timeout < 100));
 
 	if (timeout >= 100) {
 		netdev_warn(dev->net, "timeout on PHY Reset");
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 069c1cf0fdf7..009bba3d753e 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -736,6 +736,7 @@ int usbnet_open (struct net_device *net)
 		}
 	}
 
+	set_bit(EVENT_DEV_OPEN, &dev->flags);
 	netif_start_queue (net);
 	netif_info(dev, ifup, dev->net,
 		   "open: enable queueing (rx %d, tx %d) mtu %d %s framing\n",
@@ -1259,6 +1260,9 @@ void usbnet_disconnect (struct usb_interface *intf)
 	if (dev->driver_info->unbind)
 		dev->driver_info->unbind (dev, intf);
 
+	usb_kill_urb(dev->interrupt);
+	usb_free_urb(dev->interrupt);
+
 	free_netdev(net);
 	usb_put_dev (xdev);
 }
@@ -1498,6 +1502,10 @@ int usbnet_resume (struct usb_interface *intf)
 	int                     retval;
 
 	if (!--dev->suspend_count) {
+		/* resume interrupt URBs */
+		if (dev->interrupt && test_bit(EVENT_DEV_OPEN, &dev->flags))
+			usb_submit_urb(dev->interrupt, GFP_NOIO);
+
 		spin_lock_irq(&dev->txq.lock);
 		while ((res = usb_get_from_anchor(&dev->deferred))) {