There should have an upstream bridge for the PCI bus for which
pnv_pci_reset_secondary_bus() is called. It's impossible to call
the function for root buses. So we needn't do reset for root buses
in pnv_pci_reset_secondary_bus() and simply drop the logic.
Signed-off-by: Gavin Shan <gws...@linux.vnet.ibm.com>
---
v5:
* Split from PATCH[v4 10/21]
---
arch/powerpc/platforms/powernv/eeh-powernv.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c
b/arch/powerpc/platforms/powernv/eeh-powernv.c
index 4669122..18167c5 100644
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -1057,16 +1057,8 @@ static int pnv_eeh_vf_pe_reset(struct eeh_pe *pe, int
option)
void pnv_pci_reset_secondary_bus(struct pci_dev *dev)
{
- struct pci_controller *hose;
-
- if (pci_is_root_bus(dev->bus)) {
- hose = pci_bus_to_host(dev->bus);
- pnv_eeh_root_reset(hose, EEH_RESET_HOT);
- pnv_eeh_root_reset(hose, EEH_RESET_DEACTIVATE);
- } else {
- pnv_eeh_bridge_reset(dev, EEH_RESET_HOT);
- pnv_eeh_bridge_reset(dev, EEH_RESET_DEACTIVATE);
- }
+ pnv_eeh_bridge_reset(dev, EEH_RESET_HOT);
+ pnv_eeh_bridge_reset(dev, EEH_RESET_DEACTIVATE);
}
/**
--
2.1.0
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