From 5cddd2e355d0df400782dae80722945c8197b1c5 Mon Sep 17 00:00:00 2001 From: Josh Boyer Date: Tue, 1 May 2007 06:38:11 +1000 Subject: [PATCH] [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 Signed-off-by: Paul Mackerras --- arch/powerpc/sysdev/mpic.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 0b84b7c775d..57b1208ef1c 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -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); } -- 2.20.1