[src/trunk]: src/sys/arch/macppc/dev do ii2 locking dance in psoc_dump()

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

details:   https://anonhg.NetBSD.org/src/rev/be592a95a46e
branches:  trunk
changeset: 379770:be592a95a46e
user:      macallan <macallan%NetBSD.org@localhost>
date:      Fri Jun 18 23:00:47 2021 +0000

description:
do ii2 locking dance in psoc_dump()

diffstat:

 sys/arch/macppc/dev/psoc.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (33 lines):

diff -r a453e5273d09 -r be592a95a46e sys/arch/macppc/dev/psoc.c
--- a/sys/arch/macppc/dev/psoc.c        Fri Jun 18 22:57:18 2021 +0000
+++ b/sys/arch/macppc/dev/psoc.c        Fri Jun 18 23:00:47 2021 +0000
@@ -1,4 +1,4 @@
- /* $NetBSD: psoc.c,v 1.7 2021/06/18 22:57:18 macallan Exp $ */
+ /* $NetBSD: psoc.c,v 1.8 2021/06/18 23:00:47 macallan Exp $ */
 
 /*-
  * Copyright (c) 2019 Michael Lorenz
@@ -42,7 +42,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: psoc.c,v 1.7 2021/06/18 22:57:18 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: psoc.c,v 1.8 2021/06/18 23:00:47 macallan Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -221,6 +221,8 @@ psoc_dump(struct psoc_softc *sc)
 {
        int i, j;
        uint8_t data, cmd;
+
+       iic_acquire_bus(sc->sc_i2c, 0);
        for (i = 0x20; i < 0x5f; i+= 8) {
                printf("%02x:", i);
                for (j = 0; j < 8; j++) {
@@ -232,4 +234,5 @@ psoc_dump(struct psoc_softc *sc)
                }
                printf("\n");
        }
+       iic_release_bus(sc->sc_i2c, 0);
 }