spi/pxa2xx: add support for shared IRQ handler

This is required in case the interrupt line is shared with other
devices.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
This commit is contained in:
Sebastian Andrzej Siewior 2010-11-22 17:12:14 -08:00
commit 49cbb1e0b6