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From: Marius Strobl <marius@FreeBSD.org>
Date: Mon, 15 Dec 2008 21:39:31 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: RELENG_6
Subject: cvs commit: src/sys/pci if_dc.c if_dcreg.h
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marius      2008-12-15 21:39:31 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/pci              if_dc.c if_dcreg.h 
  Log:
  SVN rev 186139 on 2008-12-15 21:39:31Z by marius
  
  - According to the corresponding Linux, NetBSD and OpenSolaris
    drivers, there should be a 1us delay after every write when
    bit-banging the MII. Also insert barriers in order to ensure
    the intended ordering. These changes hopefully will solve the
    bus wedging occasionally experienced with DM9102A since r182461.
  - Deobfuscate dc_mii_readreg() a bit.
  
  Revision    Changes    Path
  1.160.2.18  +42 -34    src/sys/pci/if_dc.c
  1.44.2.9    +3 -0      src/sys/pci/if_dcreg.h