[parisc-linux-cvs] Re: [parisc-linux] [PATCH] Serial MUX support for Nova and K-Class systems.

Christoph Plattner christoph.plattner@gmx.at
Sat, 07 Sep 2002 23:36:49 +0200

Hallo Ryan,

after that long time, I did the first experiment with
your new MUX driver ...

... and it fails on my E55.

But NO WONDER ! I already have the problem finding any
devices on the I/O interface card, and I had no time
since weeks now, to do further steps.

In general I have the problem in basic stuff and in
docu, special for the I/O scanning via PDC in more
details. In the normal PDC/IO there is not enough docu
for that. I was informed, that there is one more docu
handling this, bt I forgot the name, something like
"AIO" or so.

How we can go one step forward, as I also want to 
start (in slowly steps) the SCSI driver ... ?


Ryan Bradetich wrote:
> Hello all,
> I just committed support for the Serial MUX driver as linux-2.4.19-pa5.
> This patch has been tested on my K460 and has been working well.  The
> driver uses the same /dev/ttyB0 device the PDC Software console that
> Christoph Plattner wrote and is available under the Non-standard serial
> ports section.
> Currently the driver only supports the Eole CAP/MUX (A Direct) device
> since that is all I have to test with.  Additional devices can be added
> under this driver as people with systems have a chance to test.
> I tried to document the driver with kerneldoc, but it would be nice if
> someone would check over my comment as I had to google/guess what most
> of the ioctls and tty flags were.
> The committed patch can be found at:
>         ftp://ftp.parisc-linux.org/patches/serial_mux_v0.1.diff
> Feedback greatly appreciated!
> Thanks,
> - Ryan
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