1. 29 6月, 2011 1 次提交
  2. 22 6月, 2011 1 次提交
    • S
      powerpc/e500: fix breakage with fsl_rio_mcheck_exception · 82a9a480
      Scott Wood 提交于
      The wrong MCSR bit was being used on e500mc.  MCSR_BUS_RBERR only exists
      on e500v1/v2.  Use MCSR_LD on e500mc, and remove all MCSR checking
      in fsl_rio_mcheck_exception as we now no longer call that function
      if the appropriate bit in MCSR is not set.
      
      If RIO support was enabled at compile-time, but was never probed, just
      return from fsl_rio_mcheck_exception rather than dereference a NULL
      pointer.
      
      TODO: There is still a remaining, though comparitively minor, issue in
      that this recovery mechanism will falsely engage if there's an unrelated
      MCSR_LD event at the same time as a RIO error.
      Signed-off-by: NScott Wood <scottwood@freescale.com>
      Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
      82a9a480
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