[src/trunk]: src/sys/arch/macppc/pci zero sc_iot and sc_memt before using them

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

details:   https://anonhg.NetBSD.org/src/rev/65a1e9dfcf6a
branches:  trunk
changeset: 786512:65a1e9dfcf6a
user:      macallan <macallan%NetBSD.org@localhost>
date:      Tue Apr 30 10:16:25 2013 +0000

description:
zero sc_iot and sc_memt before using them
from Phileas Fogg
while there, set sc_dev properly

diffstat:

 sys/arch/macppc/pci/u3.c |  6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diffs (41 lines):

diff -r 844fa2c73b79 -r 65a1e9dfcf6a sys/arch/macppc/pci/u3.c
--- a/sys/arch/macppc/pci/u3.c  Tue Apr 30 05:39:44 2013 +0000
+++ b/sys/arch/macppc/pci/u3.c  Tue Apr 30 10:16:25 2013 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: u3.c,v 1.6 2012/10/27 17:18:01 chs Exp $ */
+/* $NetBSD: u3.c,v 1.7 2013/04/30 10:16:25 macallan Exp $ */
 
 /*
  * Copyright 2006 Kyma Systems LLC.
@@ -50,6 +50,7 @@
 
 struct ibmcpc_softc
 {
+       device_t sc_dev;
        struct genppc_pci_chipset sc_pc[8];
        struct powerpc_bus_space sc_iot;
        struct powerpc_bus_space sc_memt;
@@ -97,6 +98,7 @@
        char name[32];
 
        aprint_normal("\n");
+       sc->sc_dev = self;
 
        /* u3 address */
        if (OF_getprop(node, "reg", reg, sizeof(reg)) < 24) {
@@ -120,6 +122,7 @@
                if (OF_getprop(child, "bus-range", busrange, 8) < 8)
                        continue;
 
+               memset(&sc->sc_iot, 0, sizeof(sc->sc_iot));
                sc->sc_iot.pbs_flags = _BUS_SPACE_LITTLE_ENDIAN |
                    _BUS_SPACE_IO_TYPE;
                sc->sc_iot.pbs_base = 0x00000000;
@@ -127,6 +130,7 @@
                    &sc->sc_iot, "ibmcpc io") != 0)
                        panic("Can't init ibmcpc io tag");
 
+               memset(&sc->sc_memt, 0, sizeof(sc->sc_memt));
                sc->sc_memt.pbs_flags = _BUS_SPACE_LITTLE_ENDIAN |
                    _BUS_SPACE_MEM_TYPE;
                sc->sc_memt.pbs_base = 0x00000000;