Commit 631ad691 authored by Gavin Shan's avatar Gavin Shan Committed by Benjamin Herrenschmidt
Browse files

powerpc/powernv: Add PE to its own PELTV



We need add PE to its own PELTV. Otherwise, the errors originated
from the PE might contribute to other PEs. In the result, we can't
clear up the error successfully even we're checking and clearing
errors during access to PCI config space.

Cc: stable@vger.kernel.org
Reported-by: kalshett@in.ibm.com
Signed-off-by: default avatarGavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 80546ac5
......@@ -163,13 +163,23 @@ static int pnv_ioda_configure_pe(struct pnv_phb *phb, struct pnv_ioda_pe *pe)
rid_end = pe->rid + 1;
}
/* Associate PE in PELT */
/*
* Associate PE in PELT. We need add the PE into the
* corresponding PELT-V as well. Otherwise, the error
* originated from the PE might contribute to other
* PEs.
*/
rc = opal_pci_set_pe(phb->opal_id, pe->pe_number, pe->rid,
bcomp, dcomp, fcomp, OPAL_MAP_PE);
if (rc) {
pe_err(pe, "OPAL error %ld trying to setup PELT table\n", rc);
return -ENXIO;
}
rc = opal_pci_set_peltv(phb->opal_id, pe->pe_number,
pe->pe_number, OPAL_ADD_PE_TO_DOMAIN);
if (rc)
pe_warn(pe, "OPAL error %d adding self to PELTV\n", rc);
opal_pci_eeh_freeze_clear(phb->opal_id, pe->pe_number,
OPAL_EEH_ACTION_CLEAR_FREEZE_ALL);
......
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