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[POWERPC] Fix spurious vectors on weird MPIC 

The weird TSI 10x MPIC needs an EOI after getting a spurious vector.  This
patch uses the existing MPIC_SPV_EOI flag to fix this issue.

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Josh Boyer 2007-05-01 06:38:11 +10:00 committed by Paul Mackerras
parent 0f21712df1
commit 5cddd2e355
1 changed files with 4 additions and 1 deletions
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5
arch/powerpc/sysdev/mpic.c
View File

@ -1333,8 +1333,11 @@ unsigned int mpic_get_one_irq(struct mpic *mpic)
#ifdef DEBUG_LOW
DBG("%s: get_one_irq(): %d\n", mpic->name, src);
#endif
if (unlikely(src == mpic->spurious_vec))
if (unlikely(src == mpic->spurious_vec)) {
if (mpic->flags & MPIC_SPV_EOI)
mpic_eoi(mpic);
return NO_IRQ;
}
return irq_linear_revmap(mpic->irqhost, src);
}