ns9xxx: Use get_irqnr_preamble to initialize base register

This patch optimizes the irq handling a bit.  Now the base register is only
computed once if more than one irq is pending.

Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
This commit is contained in:
Uwe Kleine-König 2007-10-16 08:03:00 +02:00
commit ab65b87093