Comment 1 for bug 1305013

It looks like there are clear entries in udev database about that:

P: /devices/pci0000:00/0000:00:1c.3/0000:04:00.0/0000:05:02.0
E: DEVPATH=/devices/pci0000:00/0000:00:1c.3/0000:04:00.0/0000:05:02.0
E: DRIVER=firewire_ohci
E: ID_MODEL_FROM_DATABASE=GA-7VT600-1394 Motherboard
E: ID_PCI_CLASS_FROM_DATABASE=Serial bus controller
E: ID_PCI_INTERFACE_FROM_DATABASE=OHCI
E: ID_PCI_SUBCLASS_FROM_DATABASE=FireWire (IEEE 1394)
E: ID_VENDOR_FROM_DATABASE=VIA Technologies, Inc.
E: MODALIAS=pci:v00001106d00003044sv00001458sd00001000bc0Csc00i10
E: PCI_CLASS=C0010
E: PCI_ID=1106:3044
E: PCI_SLOT_NAME=0000:05:02.0
E: PCI_SUBSYS_ID=1458:1000
E: SUBSYSTEM=pci
E: USEC_INITIALIZED=79070

P: /devices/pci0000:00/0000:00:1c.3/0000:04:00.0/0000:05:02.0/fw0
N: fw0
E: DEVNAME=/dev/fw0
E: DEVPATH=/devices/pci0000:00/0000:00:1c.3/0000:04:00.0/0000:05:02.0/fw0
E: MAJOR=249
E: MINOR=0
E: SUBSYSTEM=firewire

We could just use SUBSYSTEM=firewire