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

Vasant Hegde hegdevasant at linux.vnet.ibm.com
Thu Nov 30 23:38:29 AEDT 2017


On 11/30/2017 05:49 PM, Ananth N Mavinakayanahalli wrote:
> 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>

Looks good to me.


Reviewed-by: Vasant Hegde <hegdevasant at linux.vnet.ibm.com>

-Vasant



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