| Message ID | 1452491630-22690-2-git-send-email-alistair@popple.id.au (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
On Mon, 2016-11-01 at 05:53:50 UTC, Alistair Popple wrote: > P8+ hardware reports all errors on PE#0. This patch ensures PE#0 is > not assigned to NPU devices so that it can be used for EEH. > > Signed-off-by: Alistair Popple <alistair@popple.id.au> Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/08f48f3234a79bca86c2283a16 cheers
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 0b625272..573ae19 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -1186,9 +1186,11 @@ static void pnv_pci_ioda_setup_PEs(void) * functions. PCI bus dependent PEs are required for the * remaining types of PHBs. */ - if (phb->type == PNV_PHB_NPU) + if (phb->type == PNV_PHB_NPU) { + /* PE#0 is needed for error reporting */ + pnv_ioda_reserve_pe(phb, 0); pnv_ioda_setup_npu_PEs(hose->bus); - else + } else pnv_ioda_setup_PEs(hose->bus); } }
P8+ hardware reports all errors on PE#0. This patch ensures PE#0 is not assigned to NPU devices so that it can be used for EEH. Signed-off-by: Alistair Popple <alistair@popple.id.au> --- arch/powerpc/platforms/powernv/pci-ioda.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)