Re: [PARPORT] Optimising parport access

Grant R. Guenther (
Wed, 31 Dec 1997 09:01:46 -0500 (EST)

Phil responded to a post that I don't seem to have received from the mailing

> >1. I've tried the parport suite last night with a HP7100e and it worked =

Was the original poster referring to PARPORT or PARIDE ? The HP7100e is an
epat-based parallel port CD-RW drive. Presumably the poster tried PARIDE.

> >fine. I saw many patches coming out and didn't have the time to keep =
> >track of them all. After you issue these patches do you also update the =
> >total source of the suite?

The patches that have been coming out here are to PARPORT - a different
subsystem that has long been part of the official kernel source tree.

The PARIDE beta test did not use the PARPORT code, so the patches appearing
here were not relevant to it.

> >2. Who would work on the access to CD-RW? What about the extend command =
> >set from HP? The last part of this question set is: what about the UDF =
> >file system?
> I imagine Grant will be working on CD-RW support if anybody is. However,
> there may well not be any parallel-port-specific code needed, so you might
> need to talk to the linux-scsi people. I've no idea about UDF.

What I need to do is to provide a 'pg' driver with the same interface as
the 'sg' driver. It's on my to-do list. Once that's done, you should be
able to use the same software for SCSI, ATAPI or parallel-ATAPI CD-R(W)

Grant R. Guenther

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