--- zzzz-none-000/linux-3.10.107/drivers/usb/dwc3/gadget.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/usb/dwc3/gadget.h	2021-02-04 17:41:59.000000000 +0000
@@ -6,34 +6,14 @@
  * Authors: Felipe Balbi <balbi@ti.com>,
  *	    Sebastian Andrzej Siewior <bigeasy@linutronix.de>
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The names of the above-listed copyright holders may not be used
- *    to endorse or promote products derived from this software without
- *    specific prior written permission.
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2  of
+ * the License as published by the Free Software Foundation.
  *
- * ALTERNATIVELY, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2, as published by the Free
- * Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  */
 
 #ifndef __DRIVERS_USB_DWC3_GADGET_H
@@ -76,12 +56,6 @@
 /* DEPXFERCFG parameter 0 */
 #define DWC3_DEPXFERCFG_NUM_XFER_RES(n)	((n) & 0xffff)
 
-struct dwc3_gadget_ep_cmd_params {
-	u32	param2;
-	u32	param1;
-	u32	param0;
-};
-
 /* -------------------------------------------------------------------------- */
 
 #define to_dwc3_request(r)	(container_of(r, struct dwc3_request, request))
@@ -105,19 +79,14 @@
 void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
 		int status);
 
-int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode);
-int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state);
-
 void dwc3_ep0_interrupt(struct dwc3 *dwc,
 		const struct dwc3_event_depevt *event);
 void dwc3_ep0_out_start(struct dwc3 *dwc);
+int __dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
 int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
 int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
 		gfp_t gfp_flags);
 int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol);
-int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
-		unsigned cmd, struct dwc3_gadget_ep_cmd_params *params);
-int dwc3_send_gadget_generic_command(struct dwc3 *dwc, int cmd, u32 param);
 
 /**
  * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW
@@ -135,60 +104,4 @@
 	return DWC3_DEPCMD_GET_RSC_IDX(res_id);
 }
 
-/**
- * dwc3_gadget_event_string - returns event name
- * @event: the event code
- */
-static inline const char *dwc3_gadget_event_string(u8 event)
-{
-	switch (event) {
-	case DWC3_DEVICE_EVENT_DISCONNECT:
-		return "Disconnect";
-	case DWC3_DEVICE_EVENT_RESET:
-		return "Reset";
-	case DWC3_DEVICE_EVENT_CONNECT_DONE:
-		return "Connection Done";
-	case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
-		return "Link Status Change";
-	case DWC3_DEVICE_EVENT_WAKEUP:
-		return "WakeUp";
-	case DWC3_DEVICE_EVENT_EOPF:
-		return "End-Of-Frame";
-	case DWC3_DEVICE_EVENT_SOF:
-		return "Start-Of-Frame";
-	case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
-		return "Erratic Error";
-	case DWC3_DEVICE_EVENT_CMD_CMPL:
-		return "Command Complete";
-	case DWC3_DEVICE_EVENT_OVERFLOW:
-		return "Overflow";
-	}
-
-	return "UNKNOWN";
-}
-
-/**
- * dwc3_ep_event_string - returns event name
- * @event: then event code
- */
-static inline const char *dwc3_ep_event_string(u8 event)
-{
-	switch (event) {
-	case DWC3_DEPEVT_XFERCOMPLETE:
-		return "Transfer Complete";
-	case DWC3_DEPEVT_XFERINPROGRESS:
-		return "Transfer In-Progress";
-	case DWC3_DEPEVT_XFERNOTREADY:
-		return "Transfer Not Ready";
-	case DWC3_DEPEVT_RXTXFIFOEVT:
-		return "FIFO";
-	case DWC3_DEPEVT_STREAMEVT:
-		return "Stream";
-	case DWC3_DEPEVT_EPCMDCMPLT:
-		return "Endpoint Command Complete";
-	}
-
-	return "UNKNOWN";
-}
-
 #endif /* __DRIVERS_USB_DWC3_GADGET_H */