> Looks like you already have a working patch that you could put on
> those 100+ machines today :)

As many other people wanted this feature (I can forward you the
mails), it would be far better, if it becomes part of the stock
kernel. I could even do the 64 bit thunking layer if you want...

> (but if you do, watch out for the security problems in your ioctl
> implementation, it didn't look secure at first glance...)

Ooops :-) What's wrong with it?

> As for what's the odds of getting this into 2.4.21, I don't know.
> Let's see the code and work from there. 
> Oh, and any reason you just can't use usbfs for this right now?
> Since you are changing the driver to not work like a tty driver anymore,
> doing everything from userspace might make more sense.

Hehe, I was wrong about using procfs for the driver in my previous answer:

Entering the bitbang mode should be done per application (like
setting RTS/CTS) and not at a global level. Imagine it like another
"handshaking" mode. After activation, the data is still written
char-by-char to the tty.

Cheers, Thomas



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