All users of this flag now set the PCI_BUS_IO_ADDR0_ALLOWED
PCIBusFlags. Since there are no more users, remove the field
in MachineClass.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/boards.h | 1 -
 hw/pci/pci.c        | 5 +----
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/include/hw/boards.h b/include/hw/boards.h
index 36fbb9b59d..66fb2eddd3 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -284,7 +284,6 @@ struct MachineClass {
         no_floppy:1,
         no_cdrom:1,
         no_sdcard:1,
-        pci_allow_0_address:1,
         legacy_fw_cfg_order:1;
     bool is_default;
     const char *default_machine_opts;
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index de3f93646f..d27166dd75 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -45,7 +45,6 @@
 #include "hw/pci/msi.h"
 #include "hw/pci/msix.h"
 #include "hw/hotplug.h"
-#include "hw/boards.h"
 #include "qapi/error.h"
 #include "qemu/cutils.h"
 #include "pci-internal.h"
@@ -1472,10 +1471,8 @@ pcibus_t pci_bar_address(PCIDevice *d,
 {
     pcibus_t new_addr, last_addr;
     uint16_t cmd = pci_get_word(d->config + PCI_COMMAND);
-    MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
-    bool allow_0_address = mc->pci_allow_0_address;
+    bool allow_0_address = pci_bus_allows_io_addr0_access(pci_get_bus(d));
 
-    allow_0_address |= pci_bus_allows_io_addr0_access(pci_get_bus(d));
     if (type & PCI_BASE_ADDRESS_SPACE_IO) {
         if (!(cmd & PCI_COMMAND_IO)) {
             return PCI_BAR_UNMAPPED;
-- 
2.45.2