[MIPS] SB1250: Interrupt handler fixes

Mask cp0.status against cp0.cause.  Additionally, spurious interrupts are
not recorded.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Maciej W. Rozycki 2006-10-03 12:42:02 +01:00 committed by Ralf Baechle
commit d599def5cd