RENESAS_FW_STATUS
err = pci_read_config_byte(pdev, RENESAS_FW_STATUS, &fw_state);
err = pci_write_config_byte(pdev, RENESAS_FW_STATUS,
err = pci_write_config_byte(pdev, RENESAS_FW_STATUS, 0);
err = pci_read_config_byte(pdev, RENESAS_FW_STATUS, &fw_status);