On Jun 16, 2011, at 2:09 PM, Scott Wood wrote: > 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: Scott Wood <scottw...@freescale.com> > --- > arch/powerpc/kernel/traps.c | 2 +- > arch/powerpc/sysdev/fsl_rio.c | 33 +++++++++++++++++---------------- > 2 files changed, 18 insertions(+), 17 deletions(-)
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