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2870e5013e
instead of using a simple trace_printk() wrapper, let's add an actual tracepoint and print further details about the endpoint being operated upon. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
406 lines
11 KiB
C
406 lines
11 KiB
C
/**
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* trace.h - DesignWare USB3 DRD Controller Trace Support
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*
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* Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
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*
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* Author: Felipe Balbi <balbi@ti.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 of
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* the License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM dwc3
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#if !defined(__DWC3_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define __DWC3_TRACE_H
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#include <linux/types.h>
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#include <linux/tracepoint.h>
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#include <asm/byteorder.h>
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#include "core.h"
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#include "debug.h"
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DECLARE_EVENT_CLASS(dwc3_log_msg,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf),
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TP_STRUCT__entry(__dynamic_array(char, msg, DWC3_MSG_MAX)),
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TP_fast_assign(
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vsnprintf(__get_str(msg), DWC3_MSG_MAX, vaf->fmt, *vaf->va);
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),
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TP_printk("%s", __get_str(msg))
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);
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DEFINE_EVENT(dwc3_log_msg, dwc3_gadget,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf)
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);
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DEFINE_EVENT(dwc3_log_msg, dwc3_core,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf)
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);
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DEFINE_EVENT(dwc3_log_msg, dwc3_ep0,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf)
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);
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DECLARE_EVENT_CLASS(dwc3_log_io,
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TP_PROTO(void *base, u32 offset, u32 value),
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TP_ARGS(base, offset, value),
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TP_STRUCT__entry(
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__field(void *, base)
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__field(u32, offset)
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__field(u32, value)
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),
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TP_fast_assign(
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__entry->base = base;
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__entry->offset = offset;
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__entry->value = value;
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),
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TP_printk("addr %p value %08x", __entry->base + __entry->offset,
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__entry->value)
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);
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DEFINE_EVENT(dwc3_log_io, dwc3_readl,
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TP_PROTO(void *base, u32 offset, u32 value),
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TP_ARGS(base, offset, value)
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);
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DEFINE_EVENT(dwc3_log_io, dwc3_writel,
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TP_PROTO(void *base, u32 offset, u32 value),
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TP_ARGS(base, offset, value)
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);
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DECLARE_EVENT_CLASS(dwc3_log_event,
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TP_PROTO(u32 event, struct dwc3 *dwc),
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TP_ARGS(event, dwc),
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TP_STRUCT__entry(
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__field(u32, event)
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__field(u32, ep0state)
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),
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TP_fast_assign(
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__entry->event = event;
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__entry->ep0state = dwc->ep0state;
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),
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TP_printk("event (%08x): %s", __entry->event,
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dwc3_decode_event(__entry->event, __entry->ep0state))
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);
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DEFINE_EVENT(dwc3_log_event, dwc3_event,
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TP_PROTO(u32 event, struct dwc3 *dwc),
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TP_ARGS(event, dwc)
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);
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DECLARE_EVENT_CLASS(dwc3_log_ctrl,
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TP_PROTO(struct usb_ctrlrequest *ctrl),
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TP_ARGS(ctrl),
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TP_STRUCT__entry(
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__field(__u8, bRequestType)
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__field(__u8, bRequest)
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__field(__u16, wValue)
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__field(__u16, wIndex)
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__field(__u16, wLength)
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),
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TP_fast_assign(
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__entry->bRequestType = ctrl->bRequestType;
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__entry->bRequest = ctrl->bRequest;
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__entry->wValue = le16_to_cpu(ctrl->wValue);
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__entry->wIndex = le16_to_cpu(ctrl->wIndex);
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__entry->wLength = le16_to_cpu(ctrl->wLength);
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),
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TP_printk("bRequestType %02x bRequest %02x wValue %04x wIndex %04x wLength %d",
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__entry->bRequestType, __entry->bRequest,
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__entry->wValue, __entry->wIndex,
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__entry->wLength
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)
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);
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DEFINE_EVENT(dwc3_log_ctrl, dwc3_ctrl_req,
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TP_PROTO(struct usb_ctrlrequest *ctrl),
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TP_ARGS(ctrl)
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);
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DECLARE_EVENT_CLASS(dwc3_log_request,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req),
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TP_STRUCT__entry(
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__dynamic_array(char, name, DWC3_MSG_MAX)
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__field(struct dwc3_request *, req)
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__field(unsigned, actual)
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__field(unsigned, length)
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__field(int, status)
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__field(int, zero)
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__field(int, short_not_ok)
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__field(int, no_interrupt)
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),
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TP_fast_assign(
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snprintf(__get_str(name), DWC3_MSG_MAX, "%s", req->dep->name);
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__entry->req = req;
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__entry->actual = req->request.actual;
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__entry->length = req->request.length;
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__entry->status = req->request.status;
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__entry->zero = req->request.zero;
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__entry->short_not_ok = req->request.short_not_ok;
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__entry->no_interrupt = req->request.no_interrupt;
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),
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TP_printk("%s: req %p length %u/%u %s%s%s ==> %d",
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__get_str(name), __entry->req, __entry->actual, __entry->length,
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__entry->zero ? "Z" : "z",
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__entry->short_not_ok ? "S" : "s",
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__entry->no_interrupt ? "i" : "I",
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__entry->status
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)
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);
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DEFINE_EVENT(dwc3_log_request, dwc3_alloc_request,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(dwc3_log_request, dwc3_free_request,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(dwc3_log_request, dwc3_ep_queue,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(dwc3_log_request, dwc3_ep_dequeue,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(dwc3_log_request, dwc3_gadget_giveback,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req)
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);
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DECLARE_EVENT_CLASS(dwc3_log_generic_cmd,
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TP_PROTO(unsigned int cmd, u32 param, int status),
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TP_ARGS(cmd, param, status),
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TP_STRUCT__entry(
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__field(unsigned int, cmd)
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__field(u32, param)
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__field(int, status)
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),
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TP_fast_assign(
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__entry->cmd = cmd;
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__entry->param = param;
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__entry->status = status;
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),
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TP_printk("cmd '%s' [%d] param %08x --> status: %s",
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dwc3_gadget_generic_cmd_string(__entry->cmd),
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__entry->cmd, __entry->param,
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dwc3_gadget_generic_cmd_status_string(__entry->status)
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)
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);
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DEFINE_EVENT(dwc3_log_generic_cmd, dwc3_gadget_generic_cmd,
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TP_PROTO(unsigned int cmd, u32 param, int status),
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TP_ARGS(cmd, param, status)
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);
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DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
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TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
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struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
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TP_ARGS(dep, cmd, params, cmd_status),
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TP_STRUCT__entry(
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__dynamic_array(char, name, DWC3_MSG_MAX)
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__field(unsigned int, cmd)
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__field(u32, param0)
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__field(u32, param1)
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__field(u32, param2)
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__field(int, cmd_status)
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),
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TP_fast_assign(
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snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
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__entry->cmd = cmd;
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__entry->param0 = params->param0;
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__entry->param1 = params->param1;
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__entry->param2 = params->param2;
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__entry->cmd_status = cmd_status;
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),
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TP_printk("%s: cmd '%s' [%d] params %08x %08x %08x --> status: %s",
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__get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd),
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__entry->cmd, __entry->param0,
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__entry->param1, __entry->param2,
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dwc3_ep_cmd_status_string(__entry->cmd_status)
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)
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);
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DEFINE_EVENT(dwc3_log_gadget_ep_cmd, dwc3_gadget_ep_cmd,
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TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
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struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
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TP_ARGS(dep, cmd, params, cmd_status)
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);
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DECLARE_EVENT_CLASS(dwc3_log_trb,
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TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
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TP_ARGS(dep, trb),
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TP_STRUCT__entry(
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__dynamic_array(char, name, DWC3_MSG_MAX)
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__field(struct dwc3_trb *, trb)
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__field(u32, allocated)
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__field(u32, queued)
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__field(u32, bpl)
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__field(u32, bph)
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__field(u32, size)
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__field(u32, ctrl)
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__field(u32, type)
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),
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TP_fast_assign(
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snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
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__entry->trb = trb;
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__entry->allocated = dep->allocated_requests;
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__entry->queued = dep->queued_requests;
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__entry->bpl = trb->bpl;
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__entry->bph = trb->bph;
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__entry->size = trb->size;
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__entry->ctrl = trb->ctrl;
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__entry->type = usb_endpoint_type(dep->endpoint.desc);
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),
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TP_printk("%s: %d/%d trb %p buf %08x%08x size %s%d ctrl %08x (%c%c%c%c:%c%c:%s)",
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__get_str(name), __entry->queued, __entry->allocated,
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__entry->trb, __entry->bph, __entry->bpl,
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({char *s;
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int pcm = ((__entry->size >> 24) & 3) + 1;
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switch (__entry->type) {
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case USB_ENDPOINT_XFER_INT:
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case USB_ENDPOINT_XFER_ISOC:
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switch (pcm) {
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case 1:
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s = "1x ";
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break;
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case 2:
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s = "2x ";
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break;
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case 3:
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s = "3x ";
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break;
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}
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default:
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s = "";
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} s; }),
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DWC3_TRB_SIZE_LENGTH(__entry->size), __entry->ctrl,
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__entry->ctrl & DWC3_TRB_CTRL_HWO ? 'H' : 'h',
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__entry->ctrl & DWC3_TRB_CTRL_LST ? 'L' : 'l',
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__entry->ctrl & DWC3_TRB_CTRL_CHN ? 'C' : 'c',
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__entry->ctrl & DWC3_TRB_CTRL_CSP ? 'S' : 's',
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__entry->ctrl & DWC3_TRB_CTRL_ISP_IMI ? 'S' : 's',
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__entry->ctrl & DWC3_TRB_CTRL_IOC ? 'C' : 'c',
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({char *s;
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switch (__entry->ctrl & 0x3f0) {
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case DWC3_TRBCTL_NORMAL:
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s = "normal";
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break;
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case DWC3_TRBCTL_CONTROL_SETUP:
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s = "setup";
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break;
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case DWC3_TRBCTL_CONTROL_STATUS2:
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s = "status2";
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break;
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case DWC3_TRBCTL_CONTROL_STATUS3:
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s = "status3";
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break;
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case DWC3_TRBCTL_CONTROL_DATA:
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s = "data";
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break;
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case DWC3_TRBCTL_ISOCHRONOUS_FIRST:
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s = "isoc-first";
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break;
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case DWC3_TRBCTL_ISOCHRONOUS:
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s = "isoc";
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break;
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case DWC3_TRBCTL_LINK_TRB:
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s = "link";
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break;
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default:
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s = "UNKNOWN";
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break;
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} s; })
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)
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);
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DEFINE_EVENT(dwc3_log_trb, dwc3_prepare_trb,
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TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
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TP_ARGS(dep, trb)
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);
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DEFINE_EVENT(dwc3_log_trb, dwc3_complete_trb,
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TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
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TP_ARGS(dep, trb)
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);
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DECLARE_EVENT_CLASS(dwc3_log_ep,
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TP_PROTO(struct dwc3_ep *dep),
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TP_ARGS(dep),
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TP_STRUCT__entry(
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__dynamic_array(char, name, DWC3_MSG_MAX)
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__field(unsigned, maxpacket)
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__field(unsigned, maxpacket_limit)
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__field(unsigned, max_streams)
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__field(unsigned, maxburst)
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__field(unsigned, flags)
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__field(unsigned, direction)
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__field(u8, trb_enqueue)
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__field(u8, trb_dequeue)
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),
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TP_fast_assign(
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snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
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__entry->maxpacket = dep->endpoint.maxpacket;
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__entry->maxpacket_limit = dep->endpoint.maxpacket_limit;
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__entry->max_streams = dep->endpoint.max_streams;
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__entry->maxburst = dep->endpoint.maxburst;
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__entry->flags = dep->flags;
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__entry->direction = dep->direction;
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__entry->trb_enqueue = dep->trb_enqueue;
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__entry->trb_dequeue = dep->trb_dequeue;
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),
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TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c%c:%c:%c",
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__get_str(name), __entry->maxpacket,
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__entry->maxpacket_limit, __entry->max_streams,
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__entry->maxburst, __entry->trb_enqueue,
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__entry->trb_dequeue,
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__entry->flags & DWC3_EP_ENABLED ? 'E' : 'e',
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__entry->flags & DWC3_EP_STALL ? 'S' : 's',
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__entry->flags & DWC3_EP_WEDGE ? 'W' : 'w',
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__entry->flags & DWC3_EP_BUSY ? 'B' : 'b',
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__entry->flags & DWC3_EP_PENDING_REQUEST ? 'P' : 'p',
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__entry->flags & DWC3_EP_MISSED_ISOC ? 'M' : 'm',
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__entry->flags & DWC3_EP_END_TRANSFER_PENDING ? 'E' : 'e',
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__entry->direction ? '<' : '>'
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)
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);
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DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_enable,
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TP_PROTO(struct dwc3_ep *dep),
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TP_ARGS(dep)
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);
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DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_disable,
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TP_PROTO(struct dwc3_ep *dep),
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TP_ARGS(dep)
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);
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#endif /* __DWC3_TRACE_H */
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/* this part has to be here */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE trace
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#include <trace/define_trace.h>
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