[PATCH v6 27/42] powerpc/powernv: Don't cover root bus in pnv_pci_reset_secondary_bus()

Gavin Shan
2015-08-06T04:11:32Z

pnv_pci_reset_secondary_bus(), invoked by pcibios_reset_secondary_bus()
on PowerNV platform. The latter can't be called on root bus. So the
former needn't cover root bus as well.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
---
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 95332e9..19cb947 100644
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -1059,16 +1059,8 @@ 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