[Skiboot] [PATCH] Suppress XSCOM chiplet-offline errors on P9

[Jeremy Kerr]

Hi Stewart,

> Workaround on P9: PRD does operations it *knows* will fail with this
> error to work around a hardware issue where accesses via the PIB
> (FSI or OCC) work as expected, accesses via the ADU (what xscom goes
> through) do not. The chip logic will always return all FFs if there
> is any error on the scom.

Looks good to me, reducing unnecessary output HBRT invocation.

Acked-by: Jeremy Kerr <jk at ozlabs.org>

Cheers,


Jeremy