[PATCH RFC v4 7/9] powerpc/pci: Don't rely on DT is the PCI_REASSIGN_ALL_BUS is set

[Sergey Miroshnichenko]

If supported by the platform, endpoint's pci_dn can be created dynamically,
without need to wait for DT updates from the firmware.

Signed-off-by: Sergey Miroshnichenko <s.miroshniche...@yadro.com>
---
 arch/powerpc/kernel/pci_dn.c                 | 6 ++++--
 arch/powerpc/platforms/powernv/eeh-powernv.c | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c
index 1b1a6198eb28..b1dc788865b9 100644
--- a/arch/powerpc/kernel/pci_dn.c
+++ b/arch/powerpc/kernel/pci_dn.c
@@ -561,8 +561,10 @@ void pci_devs_phb_init_dynamic(struct pci_controller *phb)
                phb->pci_data = pdn;
        }
 
-       /* Update dn->phb ptrs for new phb and children devices */
-       pci_traverse_device_nodes(dn, add_pdn, phb);
+       if (!pci_has_flag(PCI_REASSIGN_ALL_BUS)) {
+               /* Update dn->phb ptrs for new phb and children devices */
+               pci_traverse_device_nodes(dn, add_pdn, phb);
+       }
 }
 
 /** 
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c 
b/arch/powerpc/platforms/powernv/eeh-powernv.c
index f38078976c5d..40feff2653a0 100644
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -47,7 +47,7 @@ void pnv_pcibios_bus_add_device(struct pci_dev *pdev)
 {
        struct pci_dn *pdn = pci_get_pdn(pdev);
 
-       if (!pdev->is_virtfn)
+       if (!pci_has_flag(PCI_REASSIGN_ALL_BUS) && !pdev->is_virtfn)
                return;
 
        /*
-- 
2.20.1