614b54d9b0
The current type for the busId options are too relaxed, a stricter constraint should be imposed to guard against typos which result in Xorg unable to start. This commit restricts the type to adhere to the B/D/F notation[1] for addressing devices as expected by the module option. [1] - https://wiki.osdev.org/PCI#Configuration_Space_Access_Mechanism_.231