drivers/usb/musb/musb_debug.h

   1 /*
   2  * MUSB OTG driver debug defines
   3  *
   4  * Copyright 2005 Mentor Graphics Corporation
   5  * Copyright (C) 2005-2006 by Texas Instruments
   6  * Copyright (C) 2006-2007 Nokia Corporation
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * version 2 as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  20  * 02110-1301 USA
  21  *
  22  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
  23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
  25  * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  28  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  29  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  *
  33  */
  34
  35 #ifndef __MUSB_LINUX_DEBUG_H__
  36 #define __MUSB_LINUX_DEBUG_H__
  37
  38 #define yprintk(facility, format, args...) \
  39         do { printk(facility "%s %d: " format , \
  40         __func__, __LINE__ , ## args); } while (0)
  41 #define WARNING(fmt, args...) yprintk(KERN_WARNING, fmt, ## args)
  42 #define INFO(fmt, args...) yprintk(KERN_INFO, fmt, ## args)
  43 #define ERR(fmt, args...) yprintk(KERN_ERR, fmt, ## args)
  44
  45 #define DBG(level, format, args...) do { \
  46         if (_dbg_level(level)) \
  47                 pr_debug("%s %d: " format, __func__, __LINE__, ## args); \
  48         } while (0)
  49
  50 extern unsigned musb_debug;
  51
  52 static inline int _dbg_level(unsigned l)
  53 {
  54         return musb_debug >= l;
  55 }
  56
  57 extern const char *otg_state_string(struct musb *);
  58
  59 #ifdef CONFIG_DEBUG_FS
  60 extern int musb_init_debugfs(struct musb *musb);
  61 extern void musb_exit_debugfs(struct musb *musb);
  62 #else
  63 static inline int musb_init_debugfs(struct musb *musb)
  64 {
  65         return 0;
  66 }
  67 static inline void musb_exit_debugfs(struct musb *musb)
  68 {
  69 }
  70 #endif
  71
  72 #endif                          /*  __MUSB_LINUX_DEBUG_H__ */