---

yaml
---
r: 316861
b: refs/heads/master
c: 81df2d5
h: refs/heads/master
i:
  316859: bcfb695
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7e97243c2080ecae7129e83635227fdebd4feef6
+refs/heads/master: 81df2d594340dcb6d1a02191976be88a1ca8120c

trunk/drivers/usb/core/driver.c

@@ -622,14 +622,15 @@ int usb_match_one_id(struct usb_interface *interface,
 	if (!usb_match_device(dev, id))
 		return 0;
 
-	/* The interface class, subclass, and protocol should never be
+	/* The interface class, subclass, protocol and number should never be
 	 * checked for a match if the device class is Vendor Specific,
 	 * unless the match record specifies the Vendor ID. */
 	if (dev->descriptor.bDeviceClass == USB_CLASS_VENDOR_SPEC &&
 			!(id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) &&
 			(id->match_flags & (USB_DEVICE_ID_MATCH_INT_CLASS |
 				USB_DEVICE_ID_MATCH_INT_SUBCLASS |
-				USB_DEVICE_ID_MATCH_INT_PROTOCOL)))
+				USB_DEVICE_ID_MATCH_INT_PROTOCOL |
+				USB_DEVICE_ID_MATCH_INT_NUMBER)))
 		return 0;
 
 	if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_CLASS) &&
@@ -644,6 +645,10 @@ int usb_match_one_id(struct usb_interface *interface,
 	    (id->bInterfaceProtocol != intf->desc.bInterfaceProtocol))
 		return 0;
 
+	if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER) &&
+	    (id->bInterfaceNumber != intf->desc.bInterfaceNumber))
+		return 0;
+
 	return 1;
 }
 EXPORT_SYMBOL_GPL(usb_match_one_id);

trunk/drivers/usb/core/message.c

@@ -1559,7 +1559,7 @@ static int usb_if_uevent(struct device *dev, struct kobj_uevent_env *env)
 
 	if (add_uevent_var(env,
 		   "MODALIAS=usb:"
-		   "v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02Xic%02Xisc%02Xip%02X",
+		   "v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02Xic%02Xisc%02Xip%02Xin%02X",
 		   le16_to_cpu(usb_dev->descriptor.idVendor),
 		   le16_to_cpu(usb_dev->descriptor.idProduct),
 		   le16_to_cpu(usb_dev->descriptor.bcdDevice),
@@ -1568,7 +1568,8 @@ static int usb_if_uevent(struct device *dev, struct kobj_uevent_env *env)
 		   usb_dev->descriptor.bDeviceProtocol,
 		   alt->desc.bInterfaceClass,
 		   alt->desc.bInterfaceSubClass,
-		   alt->desc.bInterfaceProtocol))
+		   alt->desc.bInterfaceProtocol,
+		   alt->desc.bInterfaceNumber))
 		return -ENOMEM;
 
 	return 0;

trunk/drivers/usb/core/sysfs.c

@@ -840,7 +840,7 @@ static ssize_t show_modalias(struct device *dev,
 	alt = intf->cur_altsetting;
 
 	return sprintf(buf, "usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02X"
-			"ic%02Xisc%02Xip%02X\n",
+			"ic%02Xisc%02Xip%02Xin%02X\n",
 			le16_to_cpu(udev->descriptor.idVendor),
 			le16_to_cpu(udev->descriptor.idProduct),
 			le16_to_cpu(udev->descriptor.bcdDevice),
@@ -849,7 +849,8 @@ static ssize_t show_modalias(struct device *dev,
 			udev->descriptor.bDeviceProtocol,
 			alt->desc.bInterfaceClass,
 			alt->desc.bInterfaceSubClass,
-			alt->desc.bInterfaceProtocol);
+			alt->desc.bInterfaceProtocol,
+			alt->desc.bInterfaceNumber);
 }
 static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL);
 

trunk/include/linux/mod_devicetable.h

@@ -78,6 +78,9 @@ struct ieee1394_device_id {
  *	of a given interface; other interfaces may support other classes.
  * @bInterfaceSubClass: Subclass of interface; associated with bInterfaceClass.
  * @bInterfaceProtocol: Protocol of interface; associated with bInterfaceClass.
+ * @bInterfaceNumber: Number of interface; composite devices may use
+ *	fixed interface numbers to differentiate between vendor-specific
+ *	interfaces.
  * @driver_info: Holds information used by the driver.  Usually it holds
  *	a pointer to a descriptor understood by the driver, or perhaps
  *	device flags.
@@ -115,6 +118,9 @@ struct usb_device_id {
 	__u8		bInterfaceSubClass;
 	__u8		bInterfaceProtocol;
 
+	/* Used for vendor-specific interface matches */
+	__u8		bInterfaceNumber;
+
 	/* not matched against */
 	kernel_ulong_t	driver_info;
 };
@@ -130,6 +136,7 @@ struct usb_device_id {
 #define USB_DEVICE_ID_MATCH_INT_CLASS		0x0080
 #define USB_DEVICE_ID_MATCH_INT_SUBCLASS	0x0100
 #define USB_DEVICE_ID_MATCH_INT_PROTOCOL	0x0200
+#define USB_DEVICE_ID_MATCH_INT_NUMBER		0x0400
 
 #define HID_ANY_ID				(~0)
 #define HID_BUS_ANY				0xffff

trunk/include/linux/usb.h

@@ -776,6 +776,22 @@ static inline int usb_make_path(struct usb_device *dev, char *buf, size_t size)
 	.idProduct = (prod), \
 	.bInterfaceProtocol = (pr)
 
+/**
+ * USB_DEVICE_INTERFACE_NUMBER - describe a usb device with a specific interface number
+ * @vend: the 16 bit USB Vendor ID
+ * @prod: the 16 bit USB Product ID
+ * @num: bInterfaceNumber value
+ *
+ * This macro is used to create a struct usb_device_id that matches a
+ * specific interface number of devices.
+ */
+#define USB_DEVICE_INTERFACE_NUMBER(vend, prod, num) \
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
+		       USB_DEVICE_ID_MATCH_INT_NUMBER, \
+	.idVendor = (vend), \
+	.idProduct = (prod), \
+	.bInterfaceNumber = (num)
+
 /**
  * USB_DEVICE_INFO - macro used to describe a class of usb devices
  * @cl: bDeviceClass value

trunk/scripts/mod/file2alias.c

@@ -156,7 +156,7 @@ static void device_id_check(const char *modname, const char *device_id,
 }
 
 /* USB is special because the bcdDevice can be matched against a numeric range */
-/* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipN" */
+/* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */
 static void do_usb_entry(struct usb_device_id *id,
 			 unsigned int bcdDevice_initial, int bcdDevice_initial_digits,
 			 unsigned char range_lo, unsigned char range_hi,
@@ -210,6 +210,9 @@ static void do_usb_entry(struct usb_device_id *id,
 	ADD(alias, "ip",
 	    id->match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL,
 	    id->bInterfaceProtocol);
+	ADD(alias, "in",
+	    id->match_flags&USB_DEVICE_ID_MATCH_INT_NUMBER,
+	    id->bInterfaceNumber);
 
 	add_wildcard(alias);
 	buf_printf(&mod->dev_table_buf,