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Full Version: ftdi_sio and usbserial are builtin, how to remove them?
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In ftdi website for using D2xx driver mentioned that ftdio_sio and usbserial modules must unload to open device successfully. the command is rmmod ftdi_sio. when i try to unload these modules, this error appear: "Module ftdi_sio is builtin".
Also when i use lsmod there is only one module "8723bs" and i cann't fine those modules!

How can i solve this problem?

We reply some may work's step for you at this thread.

recompile the kernel, to switch build-in driver to module driver.