1906 	int busw = (chip->options & NAND_BUSWIDTH_16) ? 2 : 1;  in nand_read_subpage()  local
1956 		aligned_pos = eccpos[index] & ~(busw - 1);  in nand_read_subpage()
1958 		if (eccpos[index] & (busw - 1))  in nand_read_subpage()
1960 		if (eccpos[index + (num_steps * chip->ecc.bytes)] & (busw - 1))  in nand_read_subpage()
3709 static void nand_set_defaults(struct nand_chip *chip, int busw)  in nand_set_defaults()  argument
3734 		chip->read_byte = busw ? nand_read_byte16 : nand_read_byte;  in nand_set_defaults()
3742 		chip->write_buf = busw ? nand_write_buf16 : nand_write_buf;  in nand_set_defaults()
3744 		chip->write_byte = busw ? nand_write_byte16 : nand_write_byte;  in nand_set_defaults()
3746 		chip->read_buf = busw ? nand_read_buf16 : nand_read_buf;  in nand_set_defaults()
3894 					int *busw)  in nand_flash_detect_onfi()  argument
3966 		*busw = NAND_BUSWIDTH_16;  in nand_flash_detect_onfi()
3968 		*busw = 0;  in nand_flash_detect_onfi()
3999 					int *busw)  in nand_flash_detect_onfi()  argument
4009 					int *busw)  in nand_flash_detect_jedec()  argument
4071 		*busw = NAND_BUSWIDTH_16;  in nand_flash_detect_jedec()
4073 		*busw = 0;  in nand_flash_detect_jedec()
4163 				u8 id_data[8], int *busw)  in nand_decode_ext_id()  argument
4216 		*busw = 0;  in nand_decode_ext_id()
4257 		*busw = 0;  in nand_decode_ext_id()
4270 		*busw = (extid & 0x01) ? NAND_BUSWIDTH_16 : 0;  in nand_decode_ext_id()
4297 				int *busw)  in nand_decode_id()  argument
4304 	*busw = type->options & NAND_BUSWIDTH_16;  in nand_decode_id()
4366 		   struct nand_flash_dev *type, u8 *id_data, int *busw)  in find_full_id_nand()  argument
4381 		*busw = type->options & NAND_BUSWIDTH_16;  in find_full_id_nand()
4399 	int busw, ret;  in nand_get_flash_type()  local
4446 			if (find_full_id_nand(mtd, chip, type, id_data, &busw))  in nand_get_flash_type()
4456 		if (nand_flash_detect_onfi(mtd, chip, &busw))  in nand_get_flash_type()
4460 		if (nand_flash_detect_jedec(mtd, chip, &busw))  in nand_get_flash_type()
4474 		nand_decode_ext_id(mtd, chip, id_data, &busw);  in nand_get_flash_type()
4476 		nand_decode_id(mtd, chip, type, id_data, &busw);  in nand_get_flash_type()
4497 		chip->options |= busw;  in nand_get_flash_type()
4498 		nand_set_defaults(chip, busw);  in nand_get_flash_type()
4499 	} else if (busw != (chip->options & NAND_BUSWIDTH_16)) {  in nand_get_flash_type()
4509 			   busw ? 16 : 8);  in nand_get_flash_type()