Thanks for the quick feedback, Dave.
Buses like PCI or USB as well as other data types are exposed in sysfs,
not via blobs like /dev/mdesc.
Sysfs has a neat tree structure that allows to discover and browse the
system structure. In contrast a binary blob like /dev/mdesc requires
interpretation via a script.
The aim of this patch is to ease browsing mdesc and implement utilities
like lshw. If you look at lshw sources, you'll see that they make a real
huge use of sysfs, the only binary device they use is for DMI tables
(via /dev/dmi if present, or by directly accessing mmap'ed physical
memory otherwise)
Also, since mdesc is basically a tree it maps well to a filesystem
structure like sysfs.
thank you.
-eric
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