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From: Marius Strobl <marius@FreeBSD.org>
Date: Fri, 11 Mar 2011 22:42:04 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/sound/pcm buffer.c
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marius      2011-03-11 22:42:04 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/sound/pcm    buffer.c 
  Log:
  SVN rev 219548 on 2011-03-11 22:42:04Z by marius
  
  Allocate the sound buffer DMA memory coherent. While NetBSD typically
  also does this for sound drivers it's probably not necessary for all
  combinations of controllers and drivers. However, given that our sound
  drivers completely lack bus_dmamap_sync(9) calls this at least serves
  as a workaround when enabling use of the IOMMU streaming buffers on
  sparc64 and generally for arm and mips.
  
  MFC after:      2 weeks
  
  Revision  Changes    Path
  1.42      +1 -1      src/sys/dev/sound/pcm/buffer.c