33 	struct regcache_flat_data *cache;  in regcache_flat_init()  local
39 	cache = kzalloc_flex(*cache, data, cache_size, map->alloc_flags);  in regcache_flat_init()
40 	if (!cache)  in regcache_flat_init()
43 	cache->valid = bitmap_zalloc(cache_size, map->alloc_flags);  in regcache_flat_init()
44 	if (!cache->valid)  in regcache_flat_init()
47 	map->cache = cache;  in regcache_flat_init()
52 	kfree(cache);  in regcache_flat_init()
58 	struct regcache_flat_data *cache = map->cache;  in regcache_flat_exit()  local
60 	if (cache)  in regcache_flat_exit()
61 		bitmap_free(cache->valid);  in regcache_flat_exit()
63 	kfree(cache);  in regcache_flat_exit()
64 	map->cache = NULL;  in regcache_flat_exit()
71 	struct regcache_flat_data *cache = map->cache;  in regcache_flat_populate()  local
78 		cache->data[index] = map->reg_defaults[i].def;  in regcache_flat_populate()
79 		__set_bit(index, cache->valid);  in regcache_flat_populate()
90 			if (test_bit(index, cache->valid))  in regcache_flat_populate()
96 			cache->data[index] = value;  in regcache_flat_populate()
97 			__set_bit(index, cache->valid);  in regcache_flat_populate()
107 	struct regcache_flat_data *cache = map->cache;  in regcache_flat_read()  local
111 	if (unlikely(!test_bit(index, cache->valid)))  in regcache_flat_read()
115 	*value = cache->data[index];  in regcache_flat_read()
123 	struct regcache_flat_data *cache = map->cache;  in regcache_flat_sparse_read()  local
126 	if (unlikely(!test_bit(index, cache->valid)))  in regcache_flat_sparse_read()
129 	*value = cache->data[index];  in regcache_flat_sparse_read()
137 	struct regcache_flat_data *cache = map->cache;  in regcache_flat_write()  local
140 	cache->data[index] = value;  in regcache_flat_write()
141 	__set_bit(index, cache->valid);  in regcache_flat_write()
149 	struct regcache_flat_data *cache = map->cache;  in regcache_flat_drop()  local
153 	bitmap_clear(cache->valid, bitmap_min, bitmap_max + 1 - bitmap_min);  in regcache_flat_drop()