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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Sun, 24 Oct 2010 21:28:58 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/dev/usb/net if_axe.c if_axereg.h
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yongari     2010-10-24 21:28:58 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/dev/usb/net      if_axe.c if_axereg.h 
  Log:
  SVN rev 214301 on 2010-10-24 21:28:58Z by yongari
  
  MFC r213696:
    Do not setup interrupt endpoint for axe(4).
    It seems axe(4) controllers support interrupt endpoint such that
    enabling interrupt endpoint generates about 1000 interrupts/sec.
    Controllers transfer 8 bytes data through interrupt endpoint and
    the data include link UP/DOWN state as well as some PHY related
    information. Previously axe(4) didn't use the transferred data and
    didn't even try to read the data. Because axe(4) counts on mii(4)
    to detect link state changes there is no need to use interrupt
    endpoint here.
  
    This change fixes generation of unnecessary interrupts which was
    seen when interface is brought to UP.
  
    No objections from:   hselasky
  
  Revision   Changes    Path
  1.12.2.12  +0 -33     src/sys/dev/usb/net/if_axe.c
  1.3.2.2    +0 -1      src/sys/dev/usb/net/if_axereg.h