On closer inspection, that patch I linked to appears to be incomplete.

Can you try the attached patch, to see if it fixes the
absence-of-serial_cb problem?

Thanks,

	Jeff


P.S. I'm surprised serial_cb in 2.4 worked at all, for anybody.  I guess
they must be using pcmcia_cs's serial_cb, not the kernel's serial_cb...

-- 
Jeff Garzik       | May you have warm words on a cold evening,
Building 1024     | a full mooon on a dark night,
MandrakeSoft      | and a smooth road all the way to your door.