610 					struct nand_io_iter *iter)  in nanddev_io_iter_init()  argument
614 	iter->req.mode = req->mode;  in nanddev_io_iter_init()
615 	iter->req.dataoffs = nanddev_offs_to_pos(nand, offs, &iter->req.pos);  in nanddev_io_iter_init()
616 	iter->req.ooboffs = req->ooboffs;  in nanddev_io_iter_init()
617 	iter->oobbytes_per_page = mtd_oobavail(mtd, req);  in nanddev_io_iter_init()
618 	iter->dataleft = req->len;  in nanddev_io_iter_init()
619 	iter->oobleft = req->ooblen;  in nanddev_io_iter_init()
620 	iter->req.databuf.in = req->datbuf;  in nanddev_io_iter_init()
621 	iter->req.datalen = min_t(unsigned int,  in nanddev_io_iter_init()
622 				  nand->memorg.pagesize - iter->req.dataoffs,  in nanddev_io_iter_init()
623 				  iter->dataleft);  in nanddev_io_iter_init()
624 	iter->req.oobbuf.in = req->oobbuf;  in nanddev_io_iter_init()
625 	iter->req.ooblen = min_t(unsigned int,  in nanddev_io_iter_init()
626 				 iter->oobbytes_per_page - iter->req.ooboffs,  in nanddev_io_iter_init()
627 				 iter->oobleft);  in nanddev_io_iter_init()
638 					     struct nand_io_iter *iter)  in nanddev_io_iter_next_page()  argument
640 	nanddev_pos_next_page(nand, &iter->req.pos);  in nanddev_io_iter_next_page()
641 	iter->dataleft -= iter->req.datalen;  in nanddev_io_iter_next_page()
642 	iter->req.databuf.in += iter->req.datalen;  in nanddev_io_iter_next_page()
643 	iter->oobleft -= iter->req.ooblen;  in nanddev_io_iter_next_page()
644 	iter->req.oobbuf.in += iter->req.ooblen;  in nanddev_io_iter_next_page()
645 	iter->req.dataoffs = 0;  in nanddev_io_iter_next_page()
646 	iter->req.ooboffs = 0;  in nanddev_io_iter_next_page()
647 	iter->req.datalen = min_t(unsigned int, nand->memorg.pagesize,  in nanddev_io_iter_next_page()
648 				  iter->dataleft);  in nanddev_io_iter_next_page()
649 	iter->req.ooblen = min_t(unsigned int, iter->oobbytes_per_page,  in nanddev_io_iter_next_page()
650 				 iter->oobleft);  in nanddev_io_iter_next_page()
665 				       const struct nand_io_iter *iter)  in nanddev_io_iter_end()  argument
667 	if (iter->dataleft || iter->oobleft)  in nanddev_io_iter_end()
683 #define nanddev_io_for_each_page(nand, start, req, iter)		\  argument
684 	for (nanddev_io_iter_init(nand, start, req, iter);		\
685 	     !nanddev_io_iter_end(nand, iter);				\
686 	     nanddev_io_iter_next_page(nand, iter))