FWIW, pciutils can use a variety of different access methods. Use lspci -A help to see the different access methods, and then lspci -A $method to use a differe

FWIW, pciutils can use a variety of different access methods. Use lspci -A help to see the different access methods, and then lspci -A $method to use a different access method. Note that one of the access methods on linux is linux-sysfs, so pciutils can use sysfs under the hood.