Current driver is supports up to 16 buses. The following code fixes to support up to 256 buses. update "NWL_ECAM_VALUE_DEFAULT " to 16 can access up to 256MB ECAM region to detect 256 buses. Update ecam size to 256MB in device tree binding example. Documentation/devicetree/bindings/pci/xlnx,nwl-pcie.yaml | 2 +- drivers/pci/controller/pcie-xilinx-nwl.c | 6 ++---- 2 files changed, 3 insertions(+), 5 deletions(-) -- 2.17.1
