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powerpc/powernv: Block PCI config access on BCM5718 during EEH recovery 

Similar to what is done in commit b6541db139 ("powerpc/eeh: Block
PCI config access upon frozen PE"), we need block PCI config access
for BCM5719 when recovering frozen error on them. Otherwise, an
unexpected recursive fenced PHB error is observed.

   0001:06:00.0 Ethernet controller: Broadcom Corporation \
                NetXtreme BCM5718 Gigabit Ethernet PCIe (rev 10)
   0001:06:00.1 Ethernet controller: Broadcom Corporation \
                NetXtreme BCM5718 Gigabit Ethernet PCIe (rev 10)

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Gavin Shan 2017-04-19 14:46:24 +10:00 committed by Michael Ellerman
parent 700b7eadd5
commit c374ed27c9
1 changed files with 3 additions and 0 deletions
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3
arch/powerpc/platforms/powernv/eeh-powernv.c
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@ -412,11 +412,14 @@ static void *pnv_eeh_probe(struct pci_dn *pdn, void *data)
* been set for the PE, we will set EEH_PE_CFG_BLOCKED for
* that PE to block its config space.
*
* Broadcom BCM5718 2-ports NICs (14e4:1656)
* Broadcom Austin 4-ports NICs (14e4:1657)
* Broadcom Shiner 4-ports 1G NICs (14e4:168a)
* Broadcom Shiner 2-ports 10G NICs (14e4:168e)
*/
if ((pdn->vendor_id == PCI_VENDOR_ID_BROADCOM &&
pdn->device_id == 0x1656) ||
(pdn->vendor_id == PCI_VENDOR_ID_BROADCOM &&
pdn->device_id == 0x1657) ||
(pdn->vendor_id == PCI_VENDOR_ID_BROADCOM &&
pdn->device_id == 0x168a) ||