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 <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
