3495 static int nand_erase(struct mtd_info *mtd, struct erase_info *instr)  in nand_erase()  argument
3497 	return nand_erase_nand(mtd, instr, 0);  in nand_erase()
3508 int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,  in nand_erase_nand()  argument
3516 			__func__, (unsigned long long)instr->addr,  in nand_erase_nand()
3517 			(unsigned long long)instr->len);  in nand_erase_nand()
3519 	if (check_offs_len(mtd, instr->addr, instr->len))  in nand_erase_nand()
3526 	page = (int)(instr->addr >> chip->page_shift);  in nand_erase_nand()
3527 	chipnr = (int)(instr->addr >> chip->chip_shift);  in nand_erase_nand()
3539 		instr->state = MTD_ERASE_FAILED;  in nand_erase_nand()
3544 	len = instr->len;  in nand_erase_nand()
3546 	instr->state = MTD_ERASING;  in nand_erase_nand()
3552 		if (!instr->scrub && nand_block_checkbad(mtd, ((loff_t) page) <<  in nand_erase_nand()
3556 			instr->state = MTD_ERASE_FAILED;  in nand_erase_nand()
3574 			instr->state = MTD_ERASE_FAILED;  in nand_erase_nand()
3575 			instr->fail_addr =  in nand_erase_nand()
3591 	instr->state = MTD_ERASE_DONE;  in nand_erase_nand()
3595 	ret = instr->state == MTD_ERASE_DONE ? 0 : -EIO;  in nand_erase_nand()
3603 		mtd_erase_callback(instr);  in nand_erase_nand()