[src/trunk]: src/sys/arch/arm/cortex If we see GICC_IAR_IRQ_SSPURIOUS we shou...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/930f49e82294
branches:  trunk
changeset: 824872:930f49e82294
user:      skrll <skrll%NetBSD.org@localhost>
date:      Thu Jun 22 08:10:29 2017 +0000

description:
If we see GICC_IAR_IRQ_SSPURIOUS we should also stop looking for irqs

diffstat:

 sys/arch/arm/cortex/gic.c |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (35 lines):

diff -r 1d459f6cf71b -r 930f49e82294 sys/arch/arm/cortex/gic.c
--- a/sys/arch/arm/cortex/gic.c Thu Jun 22 08:04:32 2017 +0000
+++ b/sys/arch/arm/cortex/gic.c Thu Jun 22 08:10:29 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: gic.c,v 1.27 2017/06/22 08:04:32 skrll Exp $   */
+/*     $NetBSD: gic.c,v 1.28 2017/06/22 08:10:29 skrll Exp $   */
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -35,7 +35,7 @@
 #define _INTR_PRIVATE
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gic.c,v 1.27 2017/06/22 08:04:32 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gic.c,v 1.28 2017/06/22 08:10:29 skrll Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -293,11 +293,15 @@
                uint32_t irq = __SHIFTOUT(iar, GICC_IAR_IRQ);
 
                KERNHIST_LOG(armgichist, "iar %#x (irq %d)", iar, irq, 0, 0);
-               if (irq == GICC_IAR_IRQ_SPURIOUS) {
+               if (irq == GICC_IAR_IRQ_SPURIOUS ||
+                   irq == GICC_IAR_IRQ_SSPURIOUS) {
                        iar = gicc_read(sc, GICC_IAR);
                        irq = __SHIFTOUT(iar, GICC_IAR_IRQ);
                        if (irq == GICC_IAR_IRQ_SPURIOUS)
                                break;
+                       if (irq == GICC_IAR_IRQ_SSPURIOUS) {
+                               break;
+                       }
                }
 
                //const uint32_t cpuid = __SHIFTOUT(iar, GICC_IAR_CPUID_MASK);