On Wed, Jul 29, 2015 at 12:46 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > On 07/29/2015 12:30 PM, Yinghai Lu wrote: > >> >> so PCI_BUS_FLAGS_SUPPORTS_IO will never get set. >> > > excellent catch. Unfortunately, I don't know how to make it > work with the reversed flag. The idea here was that the flag > propagates from parent to child. This makes sense for an > "it doesn't work" flag to be inherited from the child, > but not for an "it works" flag. > also would be better if we can add has_ioport in hostbridge instead. like has_mem64 in https://patchwork.ozlabs.org/patch/500926/ and use to_pci_host_bridge(bus->bridge)->has_ioport to replace pci_root_has_io_resource() Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html