In addition to clearing the atu index bit in ob_window_map, also clear the address mapped (outbound_addr array) in dw_pcie_ep_unmap_addr(), to make sure that dw_pcie_find_index() does not endup matching again an ATU index that was already unmapped. Signed-off-by: Damien Le Moal <dlemoal@xxxxxxxxxx> --- drivers/pci/controller/dwc/pcie-designware-ep.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 501e527c188e..7f4c082a2d90 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -294,6 +294,7 @@ static void dw_pcie_ep_unmap_addr(struct pci_epc *epc, u8 func_no, u8 vfunc_no, if (ret < 0) return; + ep->outbound_addr[atu_index] = 0; dw_pcie_disable_atu(pci, PCIE_ATU_REGION_DIR_OB, atu_index); clear_bit(atu_index, ep->ob_window_map); } -- 2.46.2
