On Thu, May 10, 2018 at 09:28:36PM +0300, Mika Westerberg wrote: > + pcie_capability_read_dword(bridge, PCI_EXP_SLTCAP, &slot_cap); > + if (!(slot_cap & PCI_EXP_SLTCAP_HPC)) > return false; Hm, any reason not to use "if (!bridge->is_hotplug_bridge)" ? Thanks, Lukas