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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Tue, 23 Nov 2004 08:43:09 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_5
Subject: cvs commit: src/sys/dev/sound/pci t4dwave.c
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yongari     2004-11-23 08:43:09 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_5)
    sys/dev/sound/pci    t4dwave.c 
  Log:
  MFC t4dwave.c, 1.46 to RELENG_5:
    Limit DMA address space to 1GB since the trident audio cards can't
    handle DMA addresses located above 1GB. The LBA(loop begin address)
    register which holds DMA base address is 32bits register. But the
    MSB 2bits are used for other purposes. This effectivly limits the
    DMA address space up to 1GB.
  
  Revision  Changes    Path
  1.44.2.2  +11 -1     src/sys/dev/sound/pci/t4dwave.c