--- linux-4.9.37/drivers/usb/dwc3/trace.h	2017-07-12 16:42:41.000000000 +0300
+++ linux-4.9.y/drivers/usb/dwc3/trace.h	2021-06-07 13:01:34.000000000 +0300
@@ -27,57 +27,53 @@
 #include "core.h"
 #include "debug.h"
 
-DECLARE_EVENT_CLASS(dwc3_log_msg,
-	TP_PROTO(struct va_format *vaf),
-	TP_ARGS(vaf),
-	TP_STRUCT__entry(__dynamic_array(char, msg, DWC3_MSG_MAX)),
+DECLARE_EVENT_CLASS(dwc3_log_io,
+	TP_PROTO(void *base, u32 offset, u32 value),
+	TP_ARGS(base, offset, value),
+	TP_STRUCT__entry(
+		__field(void *, base)
+		__field(u32, offset)
+		__field(u32, value)
+	),
 	TP_fast_assign(
-		vsnprintf(__get_str(msg), DWC3_MSG_MAX, vaf->fmt, *vaf->va);
+		__entry->base = base;
+		__entry->offset = offset;
+		__entry->value = value;
 	),
-	TP_printk("%s", __get_str(msg))
-);
-
-DEFINE_EVENT(dwc3_log_msg, dwc3_readl,
-	TP_PROTO(struct va_format *vaf),
-	TP_ARGS(vaf)
-);
-
-DEFINE_EVENT(dwc3_log_msg, dwc3_writel,
-	TP_PROTO(struct va_format *vaf),
-	TP_ARGS(vaf)
-);
-
-DEFINE_EVENT(dwc3_log_msg, dwc3_gadget,
-	TP_PROTO(struct va_format *vaf),
-	TP_ARGS(vaf)
+	TP_printk("addr %p value %08x", __entry->base + __entry->offset,
+			__entry->value)
 );
 
-DEFINE_EVENT(dwc3_log_msg, dwc3_core,
-	TP_PROTO(struct va_format *vaf),
-	TP_ARGS(vaf)
+DEFINE_EVENT(dwc3_log_io, dwc3_readl,
+	TP_PROTO(void *base, u32 offset, u32 value),
+	TP_ARGS(base, offset, value)
 );
 
-DEFINE_EVENT(dwc3_log_msg, dwc3_ep0,
-	TP_PROTO(struct va_format *vaf),
-	TP_ARGS(vaf)
+DEFINE_EVENT(dwc3_log_io, dwc3_writel,
+	TP_PROTO(void *base, u32 offset, u32 value),
+	TP_ARGS(base, offset, value)
 );
 
 DECLARE_EVENT_CLASS(dwc3_log_event,
-	TP_PROTO(u32 event),
-	TP_ARGS(event),
+	TP_PROTO(u32 event, struct dwc3 *dwc),
+	TP_ARGS(event, dwc),
 	TP_STRUCT__entry(
 		__field(u32, event)
+		__field(u32, ep0state)
+		__dynamic_array(char, str, DWC3_MSG_MAX)
 	),
 	TP_fast_assign(
 		__entry->event = event;
+		__entry->ep0state = dwc->ep0state;
 	),
 	TP_printk("event (%08x): %s", __entry->event,
-			dwc3_decode_event(__entry->event))
+			dwc3_decode_event(__get_str(str), DWC3_MSG_MAX,
+					__entry->event, __entry->ep0state))
 );
 
 DEFINE_EVENT(dwc3_log_event, dwc3_event,
-	TP_PROTO(u32 event),
-	TP_ARGS(event)
+	TP_PROTO(u32 event, struct dwc3 *dwc),
+	TP_ARGS(event, dwc)
 );
 
 DECLARE_EVENT_CLASS(dwc3_log_ctrl,
@@ -89,6 +85,7 @@
 		__field(__u16, wValue)
 		__field(__u16, wIndex)
 		__field(__u16, wLength)
+		__dynamic_array(char, str, DWC3_MSG_MAX)
 	),
 	TP_fast_assign(
 		__entry->bRequestType = ctrl->bRequestType;
@@ -97,10 +94,10 @@
 		__entry->wIndex = le16_to_cpu(ctrl->wIndex);
 		__entry->wLength = le16_to_cpu(ctrl->wLength);
 	),
-	TP_printk("bRequestType %02x bRequest %02x wValue %04x wIndex %04x wLength %d",
-		__entry->bRequestType, __entry->bRequest,
-		__entry->wValue, __entry->wIndex,
-		__entry->wLength
+	TP_printk("%s", dwc3_decode_ctrl(__get_str(str), DWC3_MSG_MAX,
+					__entry->bRequestType,
+					__entry->bRequest, __entry->wValue,
+					__entry->wIndex, __entry->wLength)
 	)
 );
 
@@ -113,7 +110,7 @@
 	TP_PROTO(struct dwc3_request *req),
 	TP_ARGS(req),
 	TP_STRUCT__entry(
-		__dynamic_array(char, name, DWC3_MSG_MAX)
+		__string(name, req->dep->name)
 		__field(struct dwc3_request *, req)
 		__field(unsigned, actual)
 		__field(unsigned, length)
@@ -123,7 +120,7 @@
 		__field(int, no_interrupt)
 	),
 	TP_fast_assign(
-		snprintf(__get_str(name), DWC3_MSG_MAX, "%s", req->dep->name);
+		__assign_str(name, req->dep->name);
 		__entry->req = req;
 		__entry->actual = req->request.actual;
 		__entry->length = req->request.length;
@@ -179,7 +176,7 @@
 		__entry->param = param;
 		__entry->status = status;
 	),
-	TP_printk("cmd '%s' [%d] param %08x --> status: %s",
+	TP_printk("cmd '%s' [%x] param %08x --> status: %s",
 		dwc3_gadget_generic_cmd_string(__entry->cmd),
 		__entry->cmd, __entry->param,
 		dwc3_gadget_generic_cmd_status_string(__entry->status)
@@ -196,7 +193,7 @@
 		struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
 	TP_ARGS(dep, cmd, params, cmd_status),
 	TP_STRUCT__entry(
-		__dynamic_array(char, name, DWC3_MSG_MAX)
+		__string(name, dep->name)
 		__field(unsigned int, cmd)
 		__field(u32, param0)
 		__field(u32, param1)
@@ -204,14 +201,14 @@
 		__field(int, cmd_status)
 	),
 	TP_fast_assign(
-		snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
+		__assign_str(name, dep->name);
 		__entry->cmd = cmd;
 		__entry->param0 = params->param0;
 		__entry->param1 = params->param1;
 		__entry->param2 = params->param2;
 		__entry->cmd_status = cmd_status;
 	),
-	TP_printk("%s: cmd '%s' [%d] params %08x %08x %08x --> status: %s",
+	TP_printk("%s: cmd '%s' [%x] params %08x %08x %08x --> status: %s",
 		__get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd),
 		__entry->cmd, __entry->param0,
 		__entry->param1, __entry->param2,
@@ -229,7 +226,7 @@
 	TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
 	TP_ARGS(dep, trb),
 	TP_STRUCT__entry(
-		__dynamic_array(char, name, DWC3_MSG_MAX)
+		__string(name, dep->name)
 		__field(struct dwc3_trb *, trb)
 		__field(u32, allocated)
 		__field(u32, queued)
@@ -237,9 +234,10 @@
 		__field(u32, bph)
 		__field(u32, size)
 		__field(u32, ctrl)
+		__field(u32, type)
 	),
 	TP_fast_assign(
-		snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
+		__assign_str(name, dep->name);
 		__entry->trb = trb;
 		__entry->allocated = dep->allocated_requests;
 		__entry->queued = dep->queued_requests;
@@ -247,47 +245,40 @@
 		__entry->bph = trb->bph;
 		__entry->size = trb->size;
 		__entry->ctrl = trb->ctrl;
+		__entry->type = usb_endpoint_type(dep->endpoint.desc);
 	),
-	TP_printk("%s: %d/%d trb %p buf %08x%08x size %d ctrl %08x (%c%c%c%c:%c%c:%s)",
+	TP_printk("%s: %d/%d trb %p buf %08x%08x size %s%d ctrl %08x (%c%c%c%c:%c%c:%s)",
 		__get_str(name), __entry->queued, __entry->allocated,
 		__entry->trb, __entry->bph, __entry->bpl,
-		__entry->size, __entry->ctrl,
+		({char *s;
+		int pcm = ((__entry->size >> 24) & 3) + 1;
+		switch (__entry->type) {
+		case USB_ENDPOINT_XFER_INT:
+		case USB_ENDPOINT_XFER_ISOC:
+			switch (pcm) {
+			case 1:
+				s = "1x ";
+				break;
+			case 2:
+				s = "2x ";
+				break;
+			case 3:
+			default:
+				s = "3x ";
+				break;
+			}
+			break;
+		default:
+			s = "";
+		} s; }),
+		DWC3_TRB_SIZE_LENGTH(__entry->size), __entry->ctrl,
 		__entry->ctrl & DWC3_TRB_CTRL_HWO ? 'H' : 'h',
 		__entry->ctrl & DWC3_TRB_CTRL_LST ? 'L' : 'l',
 		__entry->ctrl & DWC3_TRB_CTRL_CHN ? 'C' : 'c',
 		__entry->ctrl & DWC3_TRB_CTRL_CSP ? 'S' : 's',
 		__entry->ctrl & DWC3_TRB_CTRL_ISP_IMI ? 'S' : 's',
 		__entry->ctrl & DWC3_TRB_CTRL_IOC ? 'C' : 'c',
-		({char *s;
-		switch (__entry->ctrl & 0x3f0) {
-		case DWC3_TRBCTL_NORMAL:
-			s = "normal";
-			break;
-		case DWC3_TRBCTL_CONTROL_SETUP:
-			s = "setup";
-			break;
-		case DWC3_TRBCTL_CONTROL_STATUS2:
-			s = "status2";
-			break;
-		case DWC3_TRBCTL_CONTROL_STATUS3:
-			s = "status3";
-			break;
-		case DWC3_TRBCTL_CONTROL_DATA:
-			s = "data";
-			break;
-		case DWC3_TRBCTL_ISOCHRONOUS_FIRST:
-			s = "isoc-first";
-			break;
-		case DWC3_TRBCTL_ISOCHRONOUS:
-			s = "isoc";
-			break;
-		case DWC3_TRBCTL_LINK_TRB:
-			s = "link";
-			break;
-		default:
-			s = "UNKNOWN";
-			break;
-		} s; })
+		  dwc3_trb_type_string(DWC3_TRBCTL_TYPE(__entry->ctrl))
 	)
 );
 
@@ -301,6 +292,56 @@
 	TP_ARGS(dep, trb)
 );
 
+DECLARE_EVENT_CLASS(dwc3_log_ep,
+	TP_PROTO(struct dwc3_ep *dep),
+	TP_ARGS(dep),
+	TP_STRUCT__entry(
+		__string(name, dep->name)
+		__field(unsigned, maxpacket)
+		__field(unsigned, maxpacket_limit)
+		__field(unsigned, max_streams)
+		__field(unsigned, maxburst)
+		__field(unsigned, flags)
+		__field(unsigned, direction)
+		__field(u8, trb_enqueue)
+		__field(u8, trb_dequeue)
+	),
+	TP_fast_assign(
+		__assign_str(name, dep->name);
+		__entry->maxpacket = dep->endpoint.maxpacket;
+		__entry->maxpacket_limit = dep->endpoint.maxpacket_limit;
+		__entry->max_streams = dep->endpoint.max_streams;
+		__entry->maxburst = dep->endpoint.maxburst;
+		__entry->flags = dep->flags;
+		__entry->direction = dep->direction;
+		__entry->trb_enqueue = dep->trb_enqueue;
+		__entry->trb_dequeue = dep->trb_dequeue;
+	),
+	TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c%c:%c",
+		__get_str(name), __entry->maxpacket,
+		__entry->maxpacket_limit, __entry->max_streams,
+		__entry->maxburst, __entry->trb_enqueue,
+		__entry->trb_dequeue,
+		__entry->flags & DWC3_EP_ENABLED ? 'E' : 'e',
+		__entry->flags & DWC3_EP_STALL ? 'S' : 's',
+		__entry->flags & DWC3_EP_WEDGE ? 'W' : 'w',
+		__entry->flags & DWC3_EP_BUSY ? 'B' : 'b',
+		__entry->flags & DWC3_EP_PENDING_REQUEST ? 'P' : 'p',
+		__entry->flags & DWC3_EP_MISSED_ISOC ? 'M' : 'm',
+		__entry->direction ? '<' : '>'
+	)
+);
+
+DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_enable,
+	TP_PROTO(struct dwc3_ep *dep),
+	TP_ARGS(dep)
+);
+
+DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_disable,
+	TP_PROTO(struct dwc3_ep *dep),
+	TP_ARGS(dep)
+);
+
 #endif /* __DWC3_TRACE_H */
 
 /* this part has to be here */