3487 static int nand_id_has_period(u8 *id_data, int arrlen, int period)  in nand_id_has_period()  argument
3492 			if (id_data[i] != id_data[j])  in nand_id_has_period()
3505 static int nand_id_len(u8 *id_data, int arrlen)  in nand_id_len()  argument
3511 		if (id_data[last_nonzero])  in nand_id_len()
3520 		if (nand_id_has_period(id_data, arrlen, period))  in nand_id_len()
3551 				u8 id_data[8], int *busw)  in nand_decode_ext_id()
3555 	chip->bits_per_cell = nand_get_bits_per_cell(id_data[2]);  in nand_decode_ext_id()
3557 	extid = id_data[3];  in nand_decode_ext_id()
3559 	id_len = nand_id_len(id_data, 8);  in nand_decode_ext_id()
3570 	if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG &&  in nand_decode_ext_id()
3571 			!nand_is_slc(chip) && id_data[5] != 0x00) {  in nand_decode_ext_id()
3605 	} else if (id_len == 6 && id_data[0] == NAND_MFR_HYNIX &&  in nand_decode_ext_id()
3668 		if (id_len >= 6 && id_data[0] == NAND_MFR_TOSHIBA &&  in nand_decode_ext_id()
3670 				(id_data[5] & 0x7) == 0x6 /* 24nm */ &&  in nand_decode_ext_id()
3671 				!(id_data[4] & 0x80) /* !BENAND */) {  in nand_decode_ext_id()
3684 				struct nand_flash_dev *type, u8 id_data[8],  in nand_decode_id()
3687 	int maf_id = id_data[0];  in nand_decode_id()
3703 	if (maf_id == NAND_MFR_AMD && id_data[4] != 0x00 && id_data[5] == 0x00  in nand_decode_id()
3704 			&& id_data[6] == 0x00 && id_data[7] == 0x00  in nand_decode_id()
3707 		mtd->erasesize <<= ((id_data[3] & 0x03) << 1);  in nand_decode_id()
3717 				    struct nand_chip *chip, u8 id_data[8])  in nand_decode_bbm_options()
3719 	int maf_id = id_data[0];  in nand_decode_bbm_options()
3754 		   struct nand_flash_dev *type, u8 *id_data, int *busw)  in find_full_id_nand()  argument
3756 	if (!strncmp(type->id, id_data, type->id_len)) {  in find_full_id_nand()
3761 		chip->bits_per_cell = nand_get_bits_per_cell(id_data[2]);  in find_full_id_nand()
3789 	u8 id_data[8];  in nand_get_flash_type()  local
3818 		id_data[i] = chip->read_byte(mtd);  in nand_get_flash_type()
3820 	if (id_data[0] != *maf_id || id_data[1] != *dev_id) {  in nand_get_flash_type()
3822 			*maf_id, *dev_id, id_data[0], id_data[1]);  in nand_get_flash_type()
3831 			if (find_full_id_nand(mtd, chip, type, id_data, &busw))  in nand_get_flash_type()
3859 		nand_decode_ext_id(mtd, chip, id_data, &busw);  in nand_get_flash_type()
3861 		nand_decode_id(mtd, chip, type, id_data, &busw);  in nand_get_flash_type()
3898 	nand_decode_bbm_options(mtd, chip, id_data);  in nand_get_flash_type()