From 946f7c0903c44ad2ace5bb6bf187d66c30548520 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri, 22 Sep 2023 11:54:02 +0200
Subject: [PATCH] pc: remove short_root_bus property

The property was only used on QEMU 1.6 machine types.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/pci-host/i440fx.c      | 8 --------
 hw/pci-host/q35.c         | 7 -------
 include/hw/pci-host/q35.h | 1 -
 3 files changed, 16 deletions(-)

diff --git a/hw/pci-host/i440fx.c b/hw/pci-host/i440fx.c
index 62d6287681..653cc3f149 100644
--- a/hw/pci-host/i440fx.c
+++ b/hw/pci-host/i440fx.c
@@ -56,7 +56,6 @@ struct I440FXState {
     uint64_t above_4g_mem_size;
     uint64_t pci_hole64_size;
     bool pci_hole64_fix;
-    uint32_t short_root_bus;
 
     char *pci_type;
 };
@@ -351,19 +350,12 @@ static const TypeInfo i440fx_info = {
 static const char *i440fx_pcihost_root_bus_path(PCIHostState *host_bridge,
                                                 PCIBus *rootbus)
 {
-    I440FXState *s = I440FX_PCI_HOST_BRIDGE(host_bridge);
-
-    /* For backwards compat with old device paths */
-    if (s->short_root_bus) {
-        return "0000";
-    }
     return "0000:00";
 }
 
 static Property i440fx_props[] = {
     DEFINE_PROP_SIZE(PCI_HOST_PROP_PCI_HOLE64_SIZE, I440FXState,
                      pci_hole64_size, I440FX_PCI_HOST_HOLE64_SIZE_DEFAULT),
-    DEFINE_PROP_UINT32("short_root_bus", I440FXState, short_root_bus, 0),
     DEFINE_PROP_SIZE(PCI_HOST_BELOW_4G_MEM_SIZE, I440FXState,
                      below_4g_mem_size, 0),
     DEFINE_PROP_SIZE(PCI_HOST_ABOVE_4G_MEM_SIZE, I440FXState,
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 91c46df9ae..08534bc7cc 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -73,12 +73,6 @@ static void q35_host_realize(DeviceState *dev, Error **errp)
 static const char *q35_host_root_bus_path(PCIHostState *host_bridge,
                                           PCIBus *rootbus)
 {
-    Q35PCIHost *s = Q35_HOST_DEVICE(host_bridge);
-
-     /* For backwards compat with old device paths */
-    if (s->mch.short_root_bus) {
-        return "0000";
-    }
     return "0000:00";
 }
 
@@ -181,7 +175,6 @@ static Property q35_host_props[] = {
                         MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT),
     DEFINE_PROP_SIZE(PCI_HOST_PROP_PCI_HOLE64_SIZE, Q35PCIHost,
                      mch.pci_hole64_size, Q35_PCI_HOST_HOLE64_SIZE_DEFAULT),
-    DEFINE_PROP_UINT32("short_root_bus", Q35PCIHost, mch.short_root_bus, 0),
     DEFINE_PROP_SIZE(PCI_HOST_BELOW_4G_MEM_SIZE, Q35PCIHost,
                      mch.below_4g_mem_size, 0),
     DEFINE_PROP_SIZE(PCI_HOST_ABOVE_4G_MEM_SIZE, Q35PCIHost,
diff --git a/include/hw/pci-host/q35.h b/include/hw/pci-host/q35.h
index 1d98bbfe0d..bafcbe6752 100644
--- a/include/hw/pci-host/q35.h
+++ b/include/hw/pci-host/q35.h
@@ -54,7 +54,6 @@ struct MCHPCIState {
     uint64_t below_4g_mem_size;
     uint64_t above_4g_mem_size;
     uint64_t pci_hole64_size;
-    uint32_t short_root_bus;
     uint16_t ext_tseg_mbytes;
 };