diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
index ca9dafdf7..73b49f7a7 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
@@ -92,6 +92,10 @@ int dwc3_core_init(struct dwc3 *dwc){
 }
 
 
+void dwc3_core_exit(struct dwc3 *dwc){
+}
+
+
 int dwc3_alloc_scratch_buffers(struct dwc3 *dwc){
     uint32_t length;
 
@@ -119,11 +123,20 @@ int dwc3_alloc_event_buffers(struct dwc3 *dwc, uint32_t length){
 }
 
 
+void dwc3_free_event_buffers(struct dwc3 *dwc){
+}
+
+
+
 int dwc3_event_buffers_setup(struct dwc3 *dwc){
     return 0;
 }
 
 
+void dwc3_event_buffers_cleanup(struct dwc3 *dwc){
+}
+
+
 
 int dwc3_core_init_mode(struct dwc3 *dwc){
     return 0;
@@ -137,12 +150,51 @@ void dwc3_set_mode(struct dwc3 *dwc, uint32_t mode){
 
 
 
-int dwc3_init(struct dwc3 *dwc){
-    return 0;
+int dwc3_init(struct dwc3 *dwc)
+{
+	int ret;
+
+	dwc3_cache_hwparams(dwc);
+
+	ret = dwc3_alloc_event_buffers(dwc, DWC3_EVENT_BUFFERS_SIZE);
+	if (ret) {
+		USB_LOG_ERR("failed to allocate event buffers\n");
+		return -ENOMEM;
+	}
+
+	ret = dwc3_core_init(dwc);
+	if (ret) {
+		USB_LOG_ERR("failed to initialize core\n");
+		goto core_fail;
+	}
+
+	ret = dwc3_event_buffers_setup(dwc);
+	if (ret) {
+		USB_LOG_ERR("failed to setup event buffers\n");
+		goto event_fail;
+	}
+
+	ret = dwc3_core_init_mode(dwc);
+	if (ret)
+		goto mode_fail;
+
+	return 0;
+
+mode_fail:
+	dwc3_event_buffers_cleanup(dwc);
+
+event_fail:
+	dwc3_core_exit(dwc);
+
+core_fail:
+	dwc3_free_event_buffers(dwc);
+
+	return ret;
 }
 
 
 
+
 int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, uint32_t param){
     uint32_t		timeout = 500;
     uint32_t		reg;
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
index 86dec1910..f047e94c3 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
@@ -888,14 +888,21 @@ void dwc3_cache_hwparams(struct dwc3 *dwc);
 
 int dwc3_core_init(struct dwc3 *dwc);
 
+void dwc3_core_exit(struct dwc3 *dwc);
+
 int dwc3_alloc_scratch_buffers(struct dwc3 *dwc);
 
 int dwc3_setup_scratch_buffers(struct dwc3 *dwc);
 
 int dwc3_alloc_event_buffers(struct dwc3 *dwc, uint32_t length);
 
+void dwc3_free_event_buffers(struct dwc3 *dwc);
+
 int dwc3_event_buffers_setup(struct dwc3 *dwc);
 
+void dwc3_event_buffers_cleanup(struct dwc3 *dwc);
+
+
 int dwc3_core_init_mode(struct dwc3 *dwc);
 
 void dwc3_set_mode(struct dwc3 *dwc, uint32_t mode);