-# SCSI cdrom
-# /class/block/sr0 -> /devices/pci0002:30/0002:30:0c.0/host0/target0:0:0/0:0:1:0
-# pci-0002:30:0c.0-scsi-0:0:1:0
-#
-# SCSI disk
-# /class/block/sda -> /devices/pci0002:30/0002:30:0c.0/host0/target0:0:0/0:0:4:0
-# pci-0002:30:0c.0-scsi-0:0:4:0
-#
-# SATA disk, 4 channels per controller
-# /class/block/sda -> /devices/pci0001:00/0001:00:07.0/0001:05:0c.0/host0/target0:0:0/0:0:0:0
-# pci-0001:05:0c.0-scsi-0:0:0:0
-#
-# IDE disk
-# /class/block/hda -> /devices/pci0002:02/0002:02:0d.0/ide0/0.0
-# pci-0002:02:0d.0-ide-0.0
-#
-# IDE cdrom on a Mac ASIC:
-# /class/block/hdc -> /devices/pci0001:01/0001:01:17.0/0.80000000:mac-io/0.00020000:ata-3/ide1/1.0
-# mac-io_ata-3_master
-#
-# IDE cdrom on a Mac ASIC, with ide-scsi:
-# /class/block/sr0 -> /devices/pci0001:01/0001:01:17.0/0.80000000:mac-io/0.0001f000:ata-4/ide0/0.1/host2/target2:0:0/2:0:0:0
-# mac-io_ata-4_slave
-
-# USB CDrom drive without 'serial' number:
-# reusing 'product' and 'manufacturer' string, if available
-# /class/block/sr0 -> /devices/pci0001:00/0001:00:04.0/0001:02:0b.0/usb4/4-2/4-2:1.0/host4/4:0:0:0
-# usb-storage-odd-Freecom-USIDERev930:0:0:0
-
-# devices may have several interfaces on one PCI device, like IDE:
-# pci-0001:00:04.0_ide1-master
-# pci-0001:00:04.0_ide2-master
-# pci-0001:00:04.0_ide2-slave
-# they are marked as ports, it is expected that the driver shows
-# ide1 even if there is nothing connected to either master or slave
-# interface
-#
-# match order is important.
-# first IDE to find ide-scsi devices, then SCSI
-# first usb-storage, then firewire sbp2, then the rest
-