nand_write_byte   604 drivers/mtd/nand/raw/nand_legacy.c 	if (!chip->legacy.write_byte || chip->legacy.write_byte == nand_write_byte)
nand_write_byte   605 drivers/mtd/nand/raw/nand_legacy.c 		chip->legacy.write_byte = busw ? nand_write_byte16 : nand_write_byte;