[src/trunk]: src/sys/arch/ews4800mips/ews4800mips Check and update intc_cause...

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

details:   https://anonhg.NetBSD.org/src/rev/0a960b5b4493
branches:  trunk
changeset: 762628:0a960b5b4493
user:      tsutsui <tsutsui%NetBSD.org@localhost>
date:      Thu Feb 24 14:40:43 2011 +0000

description:
Check and update intc_cause on each iteration of interrupt handler loop.
Fixes silent hang during SCSI probe.

diffstat:

 sys/arch/ews4800mips/ews4800mips/tr2a_intr.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r ca5c9c585b50 -r 0a960b5b4493 sys/arch/ews4800mips/ews4800mips/tr2a_intr.c
--- a/sys/arch/ews4800mips/ews4800mips/tr2a_intr.c      Thu Feb 24 14:33:23 2011 +0000
+++ b/sys/arch/ews4800mips/ews4800mips/tr2a_intr.c      Thu Feb 24 14:40:43 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tr2a_intr.c,v 1.13 2011/02/20 07:55:20 matt Exp $      */
+/*     $NetBSD: tr2a_intr.c,v 1.14 2011/02/24 14:40:43 tsutsui Exp $   */
 
 /*-
  * Copyright (c) 2004, 2005 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tr2a_intr.c,v 1.13 2011/02/20 07:55:20 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tr2a_intr.c,v 1.14 2011/02/24 14:40:43 tsutsui Exp $");
 
 #define __INTR_PRIVATE
 #include <sys/param.h>
@@ -287,6 +287,7 @@
                        *INTC_CLEAR_REG = 0x14;
                        *INTC_STATUS_REG;
                }
+               intc_cause = *INTC_STATUS_REG & *INTC_MASK_REG;
        }
 }