Module Name: src
Committed By: jmcneill
Date: Mon Dec 28 16:49:58 UTC 2020
Modified Files:
src/sys/dev/hdaudio: hdaudio.c
Log Message:
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 -r1.11 -r1.12 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:1.11 src/sys/dev/hdaudio/hdaudio.c:1.12
--- src/sys/dev/hdaudio/hdaudio.c:1.11 Thu Jun 11 02:39:30 2020
+++ src/sys/dev/hdaudio/hdaudio.c Mon Dec 28 16:49:58 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: hdaudio.c,v 1.11 2020/06/11 02:39:30 thorpej Exp $ */
+/* $NetBSD: hdaudio.c,v 1.12 2020/12/28 16:49:58 jmcneill Exp $ */
/*
* Copyright (c) 2009 Precedence Technologies Ltd <[email protected]>
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: hdaudio.c,v 1.11 2020/06/11 02:39:30 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: hdaudio.c,v 1.12 2020/12/28 16:49:58 jmcneill Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -179,6 +179,10 @@ 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;
