Module Name: src
Committed By: skrll
Date: Thu Oct 2 11:58:12 UTC 2014
Modified Files:
src/sys/arch/arm/broadcom: bcm2835_mbox.c
Log Message:
Ensure correctness of bus_dmamap_sync operations. Shouldn't affect RPI.
To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/sys/arch/arm/broadcom/bcm2835_mbox.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/broadcom/bcm2835_mbox.c
diff -u src/sys/arch/arm/broadcom/bcm2835_mbox.c:1.6 src/sys/arch/arm/broadcom/bcm2835_mbox.c:1.7
--- src/sys/arch/arm/broadcom/bcm2835_mbox.c:1.6 Sun Apr 14 15:11:52 2013
+++ src/sys/arch/arm/broadcom/bcm2835_mbox.c Thu Oct 2 11:58:12 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: bcm2835_mbox.c,v 1.6 2013/04/14 15:11:52 skrll Exp $ */
+/* $NetBSD: bcm2835_mbox.c,v 1.7 2014/10/02 11:58:12 skrll Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bcm2835_mbox.c,v 1.6 2013/04/14 15:11:52 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bcm2835_mbox.c,v 1.7 2014/10/02 11:58:12 skrll Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -162,6 +162,7 @@ bcmmbox_request(uint8_t chan, void *buf,
bus_dmamap_sync(sc->sc_dmat, map, 0, buflen, BUS_DMASYNC_POSTWRITE);
bus_dmamap_sync(sc->sc_dmat, map, 0, buflen, BUS_DMASYNC_PREREAD);
bcmmbox_read(chan, pres);
+ bus_dmamap_sync(sc->sc_dmat, map, 0, buflen, BUS_DMASYNC_POSTREAD);
mutex_exit(&sc->sc_lock);
