moxa-it87-gpio-driver
https://github.com/torvalds/linux/blob/v5.2/drivers/gpio/gpio-it87.c
Install required packages
make, linux-headers-<KERNEL_RELEASE>
apt install --no-install-recommends -qqy make
apt install --no-install-recommends -qqy linux-headers-$(uname -r)
Build package
- Run
make
to build kernel module - Once build successful,
gpio-it87.ko
could be found under current directory