[Skiboot] [PATCH] FSP: Handle DPO initiated CEC shutdown with FSP in RR

Ananth N Mavinakayanahalli ananth at in.ibm.com
Thu Nov 12 02:16:29 AEDT 2015

On Wed, Nov 11, 2015 at 11:59:57PM +1100, Stewart Smith wrote:
> Ananth N Mavinakayanahalli <ananth at in.ibm.com> writes:
> > In a scenario where the DPO has been initiated, but the FSP then went into
> > reset before the CEC power down came in, OPAL may not give up the link since
> > it may never see the PSI interrupt. So, if we are in dpo_pending and an FSP
> > reset is detected via the DISR, give up the PSI link voluntarily.
> >
> > Tested-by: Vipin K Parashar <vipin at linux.vnet.ibm.com>
> > Signed-off-by: Ananth N Mavinakayanahalli <ananth at in.ibm.com>
> Should this also go to stable ?

While this is a very hard to trigger corner case, yes, it still makes
sense to have the fix in stable.


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