2.2.15 driver OK on UP - no ints on SMP

[William Montgomery]

I wrote a simple driver for Linux 2.0 and recently ported it to 2.2.
The driver works fine on 2.2.15 compiled as UP but on 2.2.15
compiled SMP it does not see any interrupts.  The machine used
for testing is a dual PIII 700MHz.

I may be missing something very obvious.  Has anyone seen this
behavior?  Any ideas for a fix?

Wm