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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).
This commit is contained in:
martin 2020-12-28 20:18:09 +00:00
parent fd6d25749c
commit 2d73392efd
1 changed files with 6 additions and 2 deletions
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8
sys/dev/hdaudio/hdaudio.c
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@ -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 <support@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 *sc, struct hdaudio_dma *dma,
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;