include/dm/util.h

   1 /*
   2  * Copyright (c) 2013 Google, Inc
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #ifndef __DM_UTIL_H
   8 #define __DM_UTIL_H
   9
  10 #ifdef CONFIG_DM_WARN
  11 void dm_warn(const char *fmt, ...);
  12 #else
  13 static inline void dm_warn(const char *fmt, ...)
  14 {
  15 }
  16 #endif
  17
  18 #ifdef DEBUG
  19 void dm_dbg(const char *fmt, ...);
  20 #else
  21 static inline void dm_dbg(const char *fmt, ...)
  22 {
  23 }
  24 #endif
  25
  26 struct list_head;
  27
  28 /**
  29  * list_count_items() - Count number of items in a list
  30  *
  31  * @param head:         Head of list
  32  * @return number of items, or 0 if empty
  33  */
  34 int list_count_items(struct list_head *head);
  35
  36 /* Dump out a tree of all devices */
  37 void dm_dump_all(void);
  38
  39 /* Dump out a list of uclasses and their devices */
  40 void dm_dump_uclass(void);
  41
  42 #ifdef CONFIG_DEBUG_DEVRES
  43 /* Dump out a list of device resources */
  44 void dm_dump_devres(void);
  45 #else
  46 static inline void dm_dump_devres(void)
  47 {
  48 }
  49 #endif
  50
  51 #endif