kmod-unbind

#!/bin/bash
# SPDX-License-Identifier: LGPL-2.1-or-later

function unbind_devices {
	d="$1"

	while read -r sysdev; do
		lnk=$(readlink $sysdev)
		if [[ "$lnk" != ../../../../devices/* ]]; then
			continue
		fi
		devid=$(cat "$sysdev/device")
		bdf=$(basename "$sysdev")

		echo -n "Unbinding $sysdev ($devid)... "
		if [ ! -e "$sysdev/driver" ]; then
			echo "(skip: not bound)"
			continue
		fi

		echo -n "$bdf" > $sysdev/driver/unbind
		echo "ok"
	done <<<$(find $d -type l)
}

function unbind_modules {
	modules="$1"

	for m in $modules; do
		for d in /sys/module/$m/drivers/*; do
			unbind_devices "$d/"
		done
	done
}

if [ "${BASH_SOURCE[0]}" == "$0" ]; then
	set -e
	unbind_modules "$@"

	for d in $drivers; do
		echo "Removing $d"
		modprobe -r "$d"
	done
fi