3463 static int nand_id_has_period(u8 *id_data, int arrlen, int period)  in nand_id_has_period()  argument
3468 			if (id_data[i] != id_data[j])  in nand_id_has_period()
3481 static int nand_id_len(u8 *id_data, int arrlen)  in nand_id_len()  argument
3487 		if (id_data[last_nonzero])  in nand_id_len()
3496 		if (nand_id_has_period(id_data, arrlen, period))  in nand_id_len()
3527 				u8 id_data[8], int *busw)  in nand_decode_ext_id()
3531 	chip->bits_per_cell = nand_get_bits_per_cell(id_data[2]);  in nand_decode_ext_id()
3533 	extid = id_data[3];  in nand_decode_ext_id()
3535 	id_len = nand_id_len(id_data, 8);  in nand_decode_ext_id()
3546 	if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG &&  in nand_decode_ext_id()
3547 			!nand_is_slc(chip) && id_data[5] != 0x00) {  in nand_decode_ext_id()
3581 	} else if (id_len == 6 && id_data[0] == NAND_MFR_HYNIX &&  in nand_decode_ext_id()
3644 		if (id_len >= 6 && id_data[0] == NAND_MFR_TOSHIBA &&  in nand_decode_ext_id()
3646 				(id_data[5] & 0x7) == 0x6 /* 24nm */ &&  in nand_decode_ext_id()
3647 				!(id_data[4] & 0x80) /* !BENAND */) {  in nand_decode_ext_id()
3660 				struct nand_flash_dev *type, u8 id_data[8],  in nand_decode_id()
3663 	int maf_id = id_data[0];  in nand_decode_id()
3679 	if (maf_id == NAND_MFR_AMD && id_data[4] != 0x00 && id_data[5] == 0x00  in nand_decode_id()
3680 			&& id_data[6] == 0x00 && id_data[7] == 0x00  in nand_decode_id()
3683 		mtd->erasesize <<= ((id_data[3] & 0x03) << 1);  in nand_decode_id()
3693 				    struct nand_chip *chip, u8 id_data[8])  in nand_decode_bbm_options()
3695 	int maf_id = id_data[0];  in nand_decode_bbm_options()
3730 		   struct nand_flash_dev *type, u8 *id_data, int *busw)  in find_full_id_nand()  argument
3732 	if (!strncmp((char *)type->id, (char *)id_data, type->id_len)) {  in find_full_id_nand()
3737 		chip->bits_per_cell = nand_get_bits_per_cell(id_data[2]);  in find_full_id_nand()
3765 	u8 id_data[8];  in nand_get_flash_type()  local
3794 		id_data[i] = chip->read_byte(mtd);  in nand_get_flash_type()
3796 	if (id_data[0] != *maf_id || id_data[1] != *dev_id) {  in nand_get_flash_type()
3798 			*maf_id, *dev_id, id_data[0], id_data[1]);  in nand_get_flash_type()
3807 			if (find_full_id_nand(mtd, chip, type, id_data, &busw))  in nand_get_flash_type()
3835 		nand_decode_ext_id(mtd, chip, id_data, &busw);  in nand_get_flash_type()
3837 		nand_decode_id(mtd, chip, type, id_data, &busw);  in nand_get_flash_type()
3874 	nand_decode_bbm_options(mtd, chip, id_data);  in nand_get_flash_type()