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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Tue, 16 Nov 2010 20:21:53 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/dev/re if_re.c
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yongari     2010-11-16 20:21:53 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/dev/re           if_re.c 
  Log:
  SVN rev 215403 on 2010-11-16 20:21:53Z by yongari
  
  MFC r214992:
    Reduce spin wait time consumed in GMII register access routine.
    There were a couple of attempts in the past to reduce it since it
    took more than 1ms. Because mii_tick() periodically polls link
    status, waiting more than 1ms for each GMII register access was
    overkill. Unfortunately all previous attempts were failed with
    various ways on different controllers.
    This time, add additional 20us dealy at the end of GMII register
    access which seems to requirement of all RealTek controllers to
    issue next GMII register access request. This is the same way what
    Linux does.
  
  Revision    Changes    Path
  1.160.2.14  +12 -4     src/sys/dev/re/if_re.c