[src/trunk]: src/sys/arch/arm/xscale correct the initial value of interrupt m...

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

details:   https://anonhg.NetBSD.org/src/rev/44751ccbb75a
branches:  trunk
changeset: 747212:44751ccbb75a
user:      bsh <bsh%NetBSD.org@localhost>
date:      Sat Sep 05 17:40:35 2009 +0000

description:
correct the initial value of interrupt masks. 0 is to disable.
This fixes stray interrupt from LCD controller when lcd driver is not configured in the kernel.

diffstat:

 sys/arch/arm/xscale/pxa2x0_intr.c |  24 +++++-------------------
 1 files changed, 5 insertions(+), 19 deletions(-)

diffs (47 lines):

diff -r 7859ad6aa6c6 -r 44751ccbb75a sys/arch/arm/xscale/pxa2x0_intr.c
--- a/sys/arch/arm/xscale/pxa2x0_intr.c Sat Sep 05 16:45:33 2009 +0000
+++ b/sys/arch/arm/xscale/pxa2x0_intr.c Sat Sep 05 17:40:35 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pxa2x0_intr.c,v 1.15 2008/11/07 16:14:37 rafal Exp $   */
+/*     $NetBSD: pxa2x0_intr.c,v 1.16 2009/09/05 17:40:35 bsh Exp $     */
 
 /*
  * Copyright (c) 2002  Genetec Corporation.  All rights reserved.
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pxa2x0_intr.c,v 1.15 2008/11/07 16:14:37 rafal Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pxa2x0_intr.c,v 1.16 2009/09/05 17:40:35 bsh Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -262,25 +262,11 @@
 init_interrupt_masks(void)
 {
 
+       /*
+        * disable all interrups until handlers are installed.
+        */
        memset(pxa2x0_imask, 0, sizeof(pxa2x0_imask));
 
-       /*
-        * IPL_NONE has soft interrupts enabled only, at least until
-        * hardware handlers are installed.
-        */
-       pxa2x0_imask[IPL_NONE] = ~0;
-       /*
-        * Initialize the soft interrupt masks to block themselves.
-        */
-       pxa2x0_imask[IPL_SOFTCLOCK] = ~0;
-       pxa2x0_imask[IPL_SOFTBIO] = ~0;
-       pxa2x0_imask[IPL_SOFTNET] = ~0;
-       pxa2x0_imask[IPL_SOFTSERIAL] = ~0;
-
-       pxa2x0_imask[IPL_SOFTCLOCK] &= pxa2x0_imask[IPL_NONE];
-       pxa2x0_imask[IPL_SOFTBIO] &= pxa2x0_imask[IPL_SOFTCLOCK];
-       pxa2x0_imask[IPL_SOFTNET] &= pxa2x0_imask[IPL_SOFTBIO];
-       pxa2x0_imask[IPL_SOFTSERIAL] &= pxa2x0_imask[IPL_SOFTNET];
 }
 
 #undef splx