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

[Stewart Smith]

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
bd64f85b85814986af64b2f62849496d93beecc2


-- 
Stewart Smith
OPAL Architect, IBM.