usbcore: rename struct dev_state to struct usb_dev_state

Since it is needed outside usbcore and exposed in include/linux/usb.h,
it conflicts with enum dev_state in rt2x00 wireless driver.

Mark it as usb specific to avoid conflicts in the future.
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/usbip/stub_dev.c

@@ -395,7 +395,7 @@ static int stub_probe(struct usb_device *udev)
 	 * (struct dev_state) as long as it is unique.
 	 */
 	rc = usb_hub_claim_port(udev->parent, udev->portnum,
-			(struct dev_state *) udev);
+			(struct usb_dev_state *) udev);
 	if (rc) {
 		dev_dbg(&udev->dev, "unable to claim port\n");
 		return rc;
@@ -464,7 +464,7 @@ static void stub_disconnect(struct usb_device *udev)
 
 	/* release port */
 	rc = usb_hub_release_port(udev->parent, udev->portnum,
-				  (struct dev_state *) udev);
+				  (struct usb_dev_state *) udev);
 	if (rc) {
 		dev_dbg(&udev->dev, "unable to release port\n");
 		return;

drivers/usb/core/hub.c

@@ -1788,7 +1788,7 @@ hub_ioctl(struct usb_interface *intf, unsigned int code, void *user_data)
  * to one of these "claimed" ports, the program will "own" the device.
  */
 static int find_port_owner(struct usb_device *hdev, unsigned port1,
-		struct dev_state ***ppowner)
+		struct usb_dev_state ***ppowner)
 {
 	struct usb_hub *hub = usb_hub_to_struct_hub(hdev);
 
@@ -1806,10 +1806,10 @@ static int find_port_owner(struct usb_device *hdev, unsigned port1,
 
 /* In the following three functions, the caller must hold hdev's lock */
 int usb_hub_claim_port(struct usb_device *hdev, unsigned port1,
-		       struct dev_state *owner)
+		       struct usb_dev_state *owner)
 {
 	int rc;
-	struct dev_state **powner;
+	struct usb_dev_state **powner;
 
 	rc = find_port_owner(hdev, port1, &powner);
 	if (rc)
@@ -1822,10 +1822,10 @@ int usb_hub_claim_port(struct usb_device *hdev, unsigned port1,
 EXPORT_SYMBOL_GPL(usb_hub_claim_port);
 
 int usb_hub_release_port(struct usb_device *hdev, unsigned port1,
-			 struct dev_state *owner)
+			 struct usb_dev_state *owner)
 {
 	int rc;
-	struct dev_state **powner;
+	struct usb_dev_state **powner;
 
 	rc = find_port_owner(hdev, port1, &powner);
 	if (rc)
@@ -1837,7 +1837,7 @@ int usb_hub_release_port(struct usb_device *hdev, unsigned port1,
 }
 EXPORT_SYMBOL_GPL(usb_hub_release_port);
 
-void usb_hub_release_all_ports(struct usb_device *hdev, struct dev_state *owner)
+void usb_hub_release_all_ports(struct usb_device *hdev, struct usb_dev_state *owner)
 {
 	struct usb_hub *hub = usb_hub_to_struct_hub(hdev);
 	int n;

drivers/usb/core/hub.h

@@ -89,7 +89,7 @@ struct usb_hub {
 struct usb_port {
 	struct usb_device *child;
 	struct device dev;
-	struct dev_state *port_owner;
+	struct usb_dev_state *port_owner;
 	enum usb_port_connect_type connect_type;
 	u8 portnum;
 	unsigned power_is_on:1;

drivers/usb/core/usb.h

@@ -2,7 +2,7 @@
 #include <linux/acpi.h>
 
 struct usb_hub_descriptor;
-struct dev_state;
+struct usb_dev_state;
 
 /* Functions local to drivers/usb/core/ */
 
@@ -58,7 +58,7 @@ extern void usb_forced_unbind_intf(struct usb_interface *intf);
 extern void usb_rebind_intf(struct usb_interface *intf);
 
 extern void usb_hub_release_all_ports(struct usb_device *hdev,
-		struct dev_state *owner);
+		struct usb_dev_state *owner);
 extern bool usb_device_is_owned(struct usb_device *udev);
 
 extern int  usb_hub_init(void);

include/linux/usb.h

@@ -366,7 +366,7 @@ struct usb_bus {
 #endif
 };
 
-struct dev_state;
+struct usb_dev_state;
 
 /* ----------------------------------------------------------------------- */
 
@@ -753,9 +753,9 @@ extern struct usb_host_interface *usb_find_alt_setting(
 
 /* port claiming functions */
 int usb_hub_claim_port(struct usb_device *hdev, unsigned port1,
-		struct dev_state *owner);
+		struct usb_dev_state *owner);
 int usb_hub_release_port(struct usb_device *hdev, unsigned port1,
-		struct dev_state *owner);
+		struct usb_dev_state *owner);
 
 /**
  * usb_make_path - returns stable device path in the usb tree