USB: Move usb_disabled() towards top of the file

Move usb_disabled() and module_param()/core_param() towards the top of the file,
where 'nousb' is defined, as they are all related.
Signed-off-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/core/usb.c

@@ -49,6 +49,22 @@ const char *usbcore_name = "usbcore";
 
 static bool nousb;	/* Disable USB when built into kernel image */
 
+/* To disable USB, kernel command line is 'nousb' not 'usbcore.nousb' */
+#ifdef MODULE
+module_param(nousb, bool, 0444);
+#else
+core_param(nousb, nousb, bool, 0444);
+#endif
+
+/*
+ * for external read access to <nousb>
+ */
+int usb_disabled(void)
+{
+	return nousb;
+}
+EXPORT_SYMBOL_GPL(usb_disabled);
+
 #ifdef	CONFIG_PM
 static int usb_autosuspend_delay = 2;		/* Default delay value,
 						 * in seconds */
@@ -964,22 +980,6 @@ void usb_buffer_unmap_sg(const struct usb_device *dev, int is_in,
 EXPORT_SYMBOL_GPL(usb_buffer_unmap_sg);
 #endif
 
-/* To disable USB, kernel command line is 'nousb' not 'usbcore.nousb' */
-#ifdef MODULE
-module_param(nousb, bool, 0444);
-#else
-core_param(nousb, nousb, bool, 0444);
-#endif
-
-/*
- * for external read access to <nousb>
- */
-int usb_disabled(void)
-{
-	return nousb;
-}
-EXPORT_SYMBOL_GPL(usb_disabled);
-
 /*
  * Notifications of device and interface registration
  */