default or selected kernelversion does not have config value CONFIG_LTPC.
Result is shown for kernelversion 6.9.9
Apple/Farallon LocalTalk PC support
modulename: ltpc.ko
configname: CONFIG_LTPC
Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Apple/Farallon LocalTalk PC support
In linux kernel since version 2.6.12
This allows you to use the AppleTalk PC card to connect to LocalTalk
networks. The card is also known as the Farallon PhoneNet PC card.
If you are in doubt, this card is the one with the 65C02 chip on it.
You also need version 1.3.3 or later of the netatalk package.
This driver is experimental, which means that it may not work.
See the file <file:Documentation/networking/device_drivers/appletalk/ltpc.rst>.
networks. The card is also known as the Farallon PhoneNet PC card.
If you are in doubt, this card is the one with the 65C02 chip on it.
You also need version 1.3.3 or later of the netatalk package.
This driver is experimental, which means that it may not work.
See the file <file:Documentation/networking/device_drivers/appletalk/ltpc.rst>.