[Skiboot] [PATCH V2] fsp: Bail out of HIR if FSP is resetting voluntarily

Stewart Smith stewart at linux.vnet.ibm.com
Thu Dec 7 08:39:53 AEDT 2017

Ananth N Mavinakayanahalli <ananth at linux.vnet.ibm.com> writes:
> a. Surveillance response times out and OPAL triggers a HIR
> b. Before the HIR process kicks in, OPAL gets a PSI interrupt indicating link down
> c. HIR process continues and OPAL tries to write to DRCR; PSI link inactive => xstop
> OPAL should confirm that the FSP is not already in reset in the HIR path.
> [V2] Handle the case where a second reset is triggered due to the two resets
> happening in succession.
> Signed-off-by: Ananth N Mavinakayanahalli <ananth at linux.vnet.ibm.com>
> Tested-by: Pridhiviraj Paidipeddi <ppaidipe at linux.vnet.ibm.com>

As discussed on Slack, should simultaneously work on tracking down
what's going on with hardware.

I'm okay with taking this while that's done, so merged to master as of

Stewart Smith
OPAL Architect, IBM.

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