1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (c) 2013 Google, Inc 4 */ 5 6 #ifndef __DM_UTIL_H 7 #define __DM_UTIL_H 8 9 struct dm_stats; 10 11 #if CONFIG_IS_ENABLED(DM_WARN) 12 #define dm_warn(fmt...) log(LOGC_DM, LOGL_WARNING, ##fmt) 13 #else dm_warn(const char * fmt,...)14static inline void dm_warn(const char *fmt, ...) 15 { 16 } 17 #endif 18 19 struct list_head; 20 21 /** 22 * list_count_items() - Count number of items in a list 23 * 24 * @param head: Head of list 25 * Return: number of items, or 0 if empty 26 */ 27 int list_count_items(struct list_head *head); 28 29 /** 30 * Dump out a tree of all devices 31 * 32 * @sort: Sort by uclass name 33 */ 34 void dm_dump_tree(bool sort); 35 36 /* Dump out a list of uclasses and their devices */ 37 void dm_dump_uclass(void); 38 39 #ifdef CONFIG_DEBUG_DEVRES 40 /* Dump out a list of device resources */ 41 void dm_dump_devres(void); 42 #else dm_dump_devres(void)43static inline void dm_dump_devres(void) 44 { 45 } 46 #endif 47 48 /* Dump out a list of drivers */ 49 void dm_dump_drivers(void); 50 51 /* Dump out a list with each driver's compatibility strings */ 52 void dm_dump_driver_compat(void); 53 54 /* Dump out a list of drivers with static platform data */ 55 void dm_dump_static_driver_info(void); 56 57 /** 58 * dm_dump_mem() - Dump stats on memory usage in driver model 59 * 60 * @mem: Stats to dump 61 */ 62 void dm_dump_mem(struct dm_stats *stats); 63 64 #if CONFIG_IS_ENABLED(OF_PLATDATA_INST) && CONFIG_IS_ENABLED(READ_ONLY) 65 void *dm_priv_to_rw(void *priv); 66 #else dm_priv_to_rw(void * priv)67static inline void *dm_priv_to_rw(void *priv) 68 { 69 return priv; 70 } 71 #endif 72 73 #endif 74