EEPROM_CMD_EPC_BUSY_BIT
writel(EEPROM_CMD_EPC_BUSY_BIT,
ret = read_poll_timeout(readl, regval, !(regval & EEPROM_CMD_EPC_BUSY_BIT),
writel(EEPROM_CMD_EPC_BUSY_BIT | (off + byte), rb +
!(regval & EEPROM_CMD_EPC_BUSY_BIT),
writel(EEPROM_CMD_EPC_BUSY_BIT | regval,
!(regval & EEPROM_CMD_EPC_BUSY_BIT),