Commit 5cddd2e3 authored by Josh Boyer's avatar Josh Boyer Committed by Paul Mackerras
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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: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 0f21712d

arch/powerpc/sysdev/mpic.c

+4 −1
Original line number Diff line number Diff line
@@ -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);

}

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