385 static void artpec6_crypto_walk_init(struct artpec6_crypto_walk *awalk,  in artpec6_crypto_walk_init()  argument
388 	awalk->sg = sg;  in artpec6_crypto_walk_init()
389 	awalk->offset = 0;  in artpec6_crypto_walk_init()
392 static size_t artpec6_crypto_walk_advance(struct artpec6_crypto_walk *awalk,  in artpec6_crypto_walk_advance()  argument
395 	while (nbytes && awalk->sg) {  in artpec6_crypto_walk_advance()
398 		WARN_ON(awalk->offset > awalk->sg->length);  in artpec6_crypto_walk_advance()
400 		piece = min(nbytes, (size_t)awalk->sg->length - awalk->offset);  in artpec6_crypto_walk_advance()
402 		awalk->offset += piece;  in artpec6_crypto_walk_advance()
403 		if (awalk->offset == awalk->sg->length) {  in artpec6_crypto_walk_advance()
404 			awalk->sg = sg_next(awalk->sg);  in artpec6_crypto_walk_advance()
405 			awalk->offset = 0;  in artpec6_crypto_walk_advance()
414 artpec6_crypto_walk_chunklen(const struct artpec6_crypto_walk *awalk)  in artpec6_crypto_walk_chunklen()  argument
416 	WARN_ON(awalk->sg->length == awalk->offset);  in artpec6_crypto_walk_chunklen()
418 	return awalk->sg->length - awalk->offset;  in artpec6_crypto_walk_chunklen()
422 artpec6_crypto_walk_chunk_phys(const struct artpec6_crypto_walk *awalk)  in artpec6_crypto_walk_chunk_phys()  argument
424 	return sg_phys(awalk->sg) + awalk->offset;  in artpec6_crypto_walk_chunk_phys()