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powerpc/eeh: Do probe on pci_dn

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Originally, EEH core probes on device_node or pci_dev to populate
EEH devices and PEs, which conflicts with the fact: SRIOV VFs are
usually enabled and created by PF's driver and they don't have the
corresponding device_nodes. Instead, SRIOV VFs have dynamically
created pci_dn, which can be used for EEH probe.

The patch reworks EEH probe for PowerNV and pSeries platforms to
do probing based on pci_dn, instead of pci_dev or device_node any
more.

Signed-off-by: Gavin Shan <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
This commit is contained in:
Gavin Shan 2015-03-17 16:15:06 +11:00 • committed by Benjamin Herrenschmidt
commit ff57b454dd
8 changed files with 172 additions and 138 deletions
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2
drivers/pci/hotplug/rpadlpar_core.c
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@ -146,7 +146,7 @@ static void dlpar_pci_add_bus(struct device_node *dn)
struct pci_controller *phb = pdn->phb;
struct pci_dev *dev = NULL;
eeh_add_device_tree_early(dn);
eeh_add_device_tree_early(pdn);
/* Add EADS device to PHB bus, adding new entry to bus->devices */
dev = of_create_pci_dev(dn, phb->bus, pdn->devfn);