drivers/usb/dwc3/debug.c

   1 /**
   2  * debug.c - DesignWare USB3 DRD Controller Debug/Trace Support
   3  *
   4  * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
   5  *
   6  * Author: Felipe Balbi <balbi@ti.com>
   7  *
   8  * This program is free software: you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2  of
  10  * the License as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  */
  17
  18 #include "debug.h"
  19
  20 void dwc3_trace(void (*trace)(struct va_format *), const char *fmt, ...)
  21 {
  22         struct va_format vaf;
  23         va_list args;
  24
  25         va_start(args, fmt);
  26         vaf.fmt = fmt;
  27         vaf.va = &args;
  28
  29         trace(&vaf);
  30
  31         va_end(args);
  32 }