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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Sun, 15 Aug 2010 21:43:51 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/ste if_ste.c
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yongari     2010-08-15 21:43:51 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/dev/ste          if_ste.c 
  Log:
  SVN rev 211357 on 2010-08-15 21:43:51Z by yongari
  
  MFC r211089:
    It seems some old Sundace(now IC Plus Corp.) controllers do not
    like memory mapped register access. Typical problem from the issue
    was MII access returned unreliable values. I'm not sure this comes
    from lack of register flushing in MII access after accessing
    STE_PHYCTL register though.
    To address the issue, read hints data that controls which type of
    memory mapping should be used in driver. ste(4) still prefers
    memory mapping to io mapping but honor hints entered by user except
    for controllers that have problems with memory mapping.
    The hint to use iomapping could be given by adding the following
    line to /boot/device.hints file.
  
    hint.ste.0.prefer_iomap="1"
  
    PR:   kern/149285
  
  Revision  Changes    Path
  1.3.2.9   +20 -7     src/sys/dev/ste/if_ste.c