75 	erase_length = lldiv(opts->length + mtd->erasesize - 1,  in nand_erase_opts()
310 int nand_unlock(struct mtd_info *mtd, loff_t start, size_t length,  in nand_unlock()  argument
320 		allexcept ? " (allexcept)" : "", start, length);  in nand_unlock()
350 	if (length == 0 || (length & (mtd->erasesize - 1)) != 0) {  in nand_unlock()
361 	length -= mtd->erasesize;  in nand_unlock()
367 	page += (int)(length >> chip->page_shift);  in nand_unlock()
409 static int check_skip_len(struct mtd_info *mtd, loff_t offset, size_t length,  in check_skip_len()  argument
415 	while (len_excl_bad < length) {  in check_skip_len()
436 	if (len_excl_bad > length)  in check_skip_len()
437 		*used -= (len_excl_bad - length);  in check_skip_len()
572 int nand_write_skip_bad(struct mtd_info *mtd, loff_t offset, size_t *length,  in nand_write_skip_bad()  argument
576 	size_t left_to_write = *length;  in nand_write_skip_bad()
599 		*length = 0;  in nand_write_skip_bad()
603 	need_skip = check_skip_len(mtd, offset, *length, &used_for_write);  in nand_write_skip_bad()
610 		*length = 0;  in nand_write_skip_bad()
616 		*length = 0;  in nand_write_skip_bad()
621 		rval = nand_write(mtd, offset, length, buffer);  in nand_write_skip_bad()
624 			rval = nand_verify(mtd, offset, *length, buffer);  in nand_write_skip_bad()
629 		*length = 0;  in nand_write_skip_bad()
673 			*length -= left_to_write;  in nand_write_skip_bad()
706 int nand_read_skip_bad(struct mtd_info *mtd, loff_t offset, size_t *length,  in nand_read_skip_bad()  argument
710 	size_t left_to_read = *length;  in nand_read_skip_bad()
715 	need_skip = check_skip_len(mtd, offset, *length, &used_for_read);  in nand_read_skip_bad()
722 		*length = 0;  in nand_read_skip_bad()
728 		*length = 0;  in nand_read_skip_bad()
733 		rval = nand_read(mtd, offset, length, buffer);  in nand_read_skip_bad()
737 		*length = 0;  in nand_read_skip_bad()
765 			*length -= left_to_read;  in nand_read_skip_bad()