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Date:      Sat, 27 Jun 1998 19:59:01 -0700 (PDT)
From:      "Justin T. Gibbs" <gibbs@FreeBSD.ORG>
To:        cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG, cvs-sys@FreeBSD.ORG
Subject:   cvs commit: src/sys/dev/aic7xxx aic7xxx.seq
Message-ID:  <199806280259.TAA20668@freefall.freebsd.org>
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gibbs       1998/06/27 19:59:00 PDT

  Modified files:
    sys/dev/aic7xxx      aic7xxx.seq 
  Log:
  Some revisions of the aic7880 have a problem where, if the
  data fifo is full, but the PCI input latch is not empty,
  HDMAEN cannot be cleared.  The fix used here is to attempt
  to drain the data fifo until there is space for the input
  latch to drain and HDMAEN de-asserts.
  
  This is a 1 instruction fix, so it should have no performance
  impact.
  
  Revision  Changes    Path
  1.77      +10 -2     src/sys/dev/aic7xxx/aic7xxx.seq

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