What is this?

Patched linux driver for the startech 2 port PCIe Serial card with 16950 UART for Ubuntu 20.04 partnumber PEX2S953LP

Patching to fix a source file and updating the MakeFile to support linux 5.x kernel

build and install

make
sudo make install

clean up

make clean

uninstall

sudo make uninstall

dmesg output

[    0.870522] serial 0000:05:00.0: enabling device (0000 -> 0003)
[    0.870856] serial 0000:05:00.2: enabling device (0000 -> 0003)

[    5.309616] ax99100: loading out-of-tree module taints kernel.
[    5.309795] ax99100: module verification failed: signature and/or required key missing - tainting kernel
[    5.310569] ASIX AX99100 PCIe Bridg to Serial Port:v1.3.0    http://www.asix.com.tw
[    5.310700] 0000:05:00.0: ttyF0 at I/O 0xd010 (irq = 139, base_baud = 115200) is a AX99100
[    5.344182] ASIX AX99100 PCIe Bridg to Serial Port:v1.3.0    http://www.asix.com.tw
[    5.344746] 0000:05:00.2: ttyF1 at I/O 0xd000 (irq = 39, base_baud = 115200) is a AX99100