CVS commit: [netbsd-9] src/sys/dev/hdaudio

[Martin Husemann]

Module Name:    src
Committed By:   martin
Date:           Mon Dec 28 20:18:09 UTC 2020

Modified Files:
        src/sys/dev/hdaudio [netbsd-9]: hdaudio.c

Log Message:
Pull up following revision(s) (requested by jmcneill in ticket #1165):

        sys/dev/hdaudio/hdaudio.c: revision 1.12

Initialize DMA memory when allocating it. Should fix PR# 51734 (hdaudio
"RIRB timeout" on boot).


To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.9.2.1 src/sys/dev/hdaudio/hdaudio.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/dev/hdaudio/hdaudio.c
diff -u src/sys/dev/hdaudio/hdaudio.c:1.9 src/sys/dev/hdaudio/hdaudio.c:1.9.2.1
--- src/sys/dev/hdaudio/hdaudio.c:1.9	Fri Jul 26 11:13:46 2019
+++ src/sys/dev/hdaudio/hdaudio.c	Mon Dec 28 20:18:09 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: hdaudio.c,v 1.9 2019/07/26 11:13:46 jmcneill Exp $ */
+/* $NetBSD: hdaudio.c,v 1.9.2.1 2020/12/28 20:18:09 martin Exp $ */
 
 /*
  * Copyright (c) 2009 Precedence Technologies Ltd <supp...@precedence.co.uk>
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: hdaudio.c,v 1.9 2019/07/26 11:13:46 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: hdaudio.c,v 1.9.2.1 2020/12/28 20:18:09 martin Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -194,6 +194,10 @@ hdaudio_dma_alloc(struct hdaudio_softc *
 	if (err)
 		goto destroy;
 
+	memset(dma->dma_addr, 0, dma->dma_size);
+	bus_dmamap_sync(sc->sc_dmat, dma->dma_map, 0, dma->dma_size,
+	    BUS_DMASYNC_PREWRITE);
+
 	dma->dma_valid = true;
 	return 0;