246  * Request exclusive access to a hash bucket for a given dma_debug_entry.
261  * Give up exclusive access to the hash bucket
263 static void put_hash_bucket(struct hash_bucket *bucket,  in put_hash_bucket()  argument
265 	__releases(&bucket->lock)  in put_hash_bucket()
267 	spin_unlock_irqrestore(&bucket->lock, flags);  in put_hash_bucket()
290  * Search a given entry in the hash bucket list
292 static struct dma_debug_entry *__hash_bucket_find(struct hash_bucket *bucket,  in __hash_bucket_find()  argument
299 	list_for_each_entry(entry, &bucket->list, list) {  in __hash_bucket_find()
342 static struct dma_debug_entry *bucket_find_exact(struct hash_bucket *bucket,  in bucket_find_exact()  argument
345 	return __hash_bucket_find(bucket, ref, exact_match);  in bucket_find_exact()
348 static struct dma_debug_entry *bucket_find_contain(struct hash_bucket **bucket,  in bucket_find_contain()  argument
357 		entry = __hash_bucket_find(*bucket, ref, containing_match);  in bucket_find_contain()
363 		 * Nothing found, go back a hash bucket  in bucket_find_contain()
365 		put_hash_bucket(*bucket, *flags);  in bucket_find_contain()
367 		*bucket = get_hash_bucket(&index, flags);  in bucket_find_contain()
374  * Add an entry to a hash bucket
376 static void hash_bucket_add(struct hash_bucket *bucket,  in hash_bucket_add()  argument
379 	list_add_tail(&entry->list, &bucket->list);  in hash_bucket_add()
383  * Remove entry from a hash bucket list
522 		struct hash_bucket *bucket = &dma_entry_hash[idx];  in debug_dma_dump_mappings()  local
526 		spin_lock_irqsave(&bucket->lock, flags);  in debug_dma_dump_mappings()
527 		list_for_each_entry(entry, &bucket->list, list) {  in debug_dma_dump_mappings()
539 		spin_unlock_irqrestore(&bucket->lock, flags);  in debug_dma_dump_mappings()
554 		struct hash_bucket *bucket = &dma_entry_hash[idx];  in dump_show()  local
558 		spin_lock_irqsave(&bucket->lock, flags);  in dump_show()
559 		list_for_each_entry(entry, &bucket->list, list) {  in dump_show()
571 		spin_unlock_irqrestore(&bucket->lock, flags);  in dump_show()
583 	struct hash_bucket *bucket;  in add_dma_entry()  local
587 	bucket = get_hash_bucket(entry, &flags);  in add_dma_entry()
588 	hash_bucket_add(bucket, entry);  in add_dma_entry()
589 	put_hash_bucket(bucket, flags);  in add_dma_entry()
957 	struct hash_bucket *bucket;  in check_unmap()  local
960 	bucket = get_hash_bucket(ref, &flags);  in check_unmap()
961 	entry = bucket_find_exact(bucket, ref);  in check_unmap()
965 		put_hash_bucket(bucket, flags);  in check_unmap()
1045 	put_hash_bucket(bucket, flags);  in check_unmap()
1094 	struct hash_bucket *bucket;  in check_sync()  local
1097 	bucket = get_hash_bucket(ref, &flags);  in check_sync()
1099 	entry = bucket_find_contain(&bucket, ref, &flags);  in check_sync()
1161 	put_hash_bucket(bucket, flags);  in check_sync()
1243 	struct hash_bucket *bucket;  in debug_dma_mapping_error()  local
1251 	bucket = get_hash_bucket(&ref, &flags);  in debug_dma_mapping_error()
1253 	list_for_each_entry(entry, &bucket->list, list) {  in debug_dma_mapping_error()
1273 	put_hash_bucket(bucket, flags);  in debug_dma_mapping_error()
1334 	struct hash_bucket *bucket;  in get_nr_mapped_entries()  local
1338 	bucket       = get_hash_bucket(ref, &flags);  in get_nr_mapped_entries()
1339 	entry        = bucket_find_exact(bucket, ref);  in get_nr_mapped_entries()
1344 	put_hash_bucket(bucket, flags);  in get_nr_mapped_entries()