Re: [OT] RE: UDI and Free Software
Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 7 Oct 1998 19:39:08 +0100 (BST)
> it lacks stuff like check_region that is central to the Linux philosophy.
> UDI on Linux would also be useless for parallel scanners - UDI can't
> describe talking to the parport management layer
>
> Exactly. So you'd have to do an extra memory copy in the Linux<->UDI
> interface layer. It'll be slow, but you an make it work. See my
> previous comments about UDI always being a poor second cousin to real
> native drivers.....
It isnt a case of extra copies. Its fundamentally impossible for a UDI
driver to access the parallel port under Linux because there is no UDI speak
for 'parport_*' calls which you _have_ to make. There are numerous other
examples like that.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/