523 	struct nand_page_io_req *orig, *tweak;  in nand_ecc_tweak_req()  local
529 	orig = &ctx->orig_req;  in nand_ecc_tweak_req()
533 	if (orig->datalen < nanddev_page_size(nand)) {  in nand_ecc_tweak_req()
541 	if (orig->ooblen < nanddev_per_page_oobsize(nand)) {  in nand_ecc_tweak_req()
550 	if (orig->type == NAND_PAGE_WRITE) {  in nand_ecc_tweak_req()
552 			memcpy((void *)tweak->databuf.out + orig->dataoffs,  in nand_ecc_tweak_req()
553 			       orig->databuf.out, orig->datalen);  in nand_ecc_tweak_req()
556 			memcpy((void *)tweak->oobbuf.out + orig->ooboffs,  in nand_ecc_tweak_req()
557 			       orig->oobbuf.out, orig->ooblen);  in nand_ecc_tweak_req()
565 	struct nand_page_io_req *orig, *tweak;  in nand_ecc_restore_req()  local
567 	orig = &ctx->orig_req;  in nand_ecc_restore_req()
571 	if (orig->type == NAND_PAGE_READ) {  in nand_ecc_restore_req()
573 			memcpy(orig->databuf.in,  in nand_ecc_restore_req()
574 			       tweak->databuf.in + orig->dataoffs,  in nand_ecc_restore_req()
575 			       orig->datalen);  in nand_ecc_restore_req()
578 			memcpy(orig->oobbuf.in,  in nand_ecc_restore_req()
579 			       tweak->oobbuf.in + orig->ooboffs,  in nand_ecc_restore_req()
580 			       orig->ooblen);  in nand_ecc_restore_req()
584 	*req = *orig;  in nand_ecc_restore_req()