default or selected kernelversion does not have config value CONFIG_USB_SERIAL_QUATECH_USB2.
Result is shown for kernelversion 6.2.5
USB Quatech xSU2-[14]00 USB Serial Driver
modulename: quatech_usb2.ko
configname: CONFIG_USB_SERIAL_QUATECH_USB2
Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>USB Serial Converter support
└─>USB Quatech xSU2-[14]00 USB Serial Driver
In linux kernel since version 2.6.32 (release Date: 2009-12-02)
Say Y here if you want to use a Quatech USB2.0 to serial adaptor. This
driver supports the SSU2-100, DSU2-100, DSU2-400, QSU2-100, QSU2-400,
ESU2-400 and ESU2-100 USB2.0 to RS232 / 485 / 422 serial adaptors.
Some hardware has an incorrect product string and announces itself as
ESU-100 (which uses the serqt driver) even though it is an ESU2-100.
Check the label on the bottom of your device.
To compile this driver as a module, choose M here: the module will be
called quatech_usb2 .
driver supports the SSU2-100, DSU2-100, DSU2-400, QSU2-100, QSU2-400,
ESU2-400 and ESU2-100 USB2.0 to RS232 / 485 / 422 serial adaptors.
Some hardware has an incorrect product string and announces itself as
ESU-100 (which uses the serqt driver) even though it is an ESU2-100.
Check the label on the bottom of your device.
To compile this driver as a module, choose M here: the module will be
called quatech_usb2 .