(Sorry for the delay. I've been a bit busy..)
On Sun, Jan 21, 2001 at 04:51:09AM -0800, Adam J. Richter wrote:
> OK, here is a patch that restores the "compatability" routines
> that I believe are never used. I wanted to have all of the unneeded
> code in a separate file which would build a separate module in the
> modularized case, but exporting the "topology" variable, with its
> own structure format, from daisy.c was just too ugly. So, a small
> helper routine, parport_find, is in daisy.c.
This looks excellent. Thanks a lot.
> Is it generally true that devices that have IEEE-1284.3 device ID's
> are also accessible through this daisy chaining mechanism?
Yes. That is, IEEE 1284.3-compatible daisy chaining devices generally
have IEEE 1284 Device IDs.
> If so, then it would probably make sense to add a paramaeter to
> parport_driver->attach to indicate which device on the chain to
> attach to. Since old drives could just ignore the parameter, it
> would be compatible.
(It wouldn't even be source compatible.)
> If other devices on the daisy chain are generally
> not accessible, then only then only parport.probe_strings[0]
> should be considered.
Device IDs can be obtained from all devices on an IEEE 1284.3 chain.
Tim.
*/
-- To unsubscribe, send mail to: linux-parport-request@torque.net --
-- with the single word "unsubscribe" in the body of the message. --
This archive was generated by hypermail 2b29 : Mon Feb 05 2001 - 14:25:08 EST