[Qemu-devel] [PULL 05/10] pcie_host: Turn pcie_host_init() into an instance_init

["Michael S. Tsirkin" <mst@redhat.com>]

From: Andreas Färber <afaerber@suse.de>

This assures the trivial field initialization is applied for any derived
type - currently only Q35PCIHost.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 include/hw/pci/pcie_host.h | 1 -
 hw/pci-host/q35.c          | 4 ----
 hw/pci/pcie_host.c         | 7 ++++---
 3 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/include/hw/pci/pcie_host.h b/include/hw/pci/pcie_host.h
index acca45e..ff44ef6 100644
--- a/include/hw/pci/pcie_host.h
+++ b/include/hw/pci/pcie_host.h
@@ -49,7 +49,6 @@ struct PCIExpressHost {
     MemoryRegion mmio;
 };
 
-int pcie_host_init(PCIExpressHost *e);
 void pcie_host_mmcfg_unmap(PCIExpressHost *e);
 void pcie_host_mmcfg_map(PCIExpressHost *e, hwaddr addr, uint32_t size);
 void pcie_host_mmcfg_update(PCIExpressHost *e,
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 8b8cc4e..aa48b1c 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -47,10 +47,6 @@ static void q35_host_realize(DeviceState *dev, Error **errp)
     sysbus_add_io(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, &pci->data_mem);
     sysbus_init_ioports(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, 4);
 
-    if (pcie_host_init(PCIE_HOST_BRIDGE(s)) < 0) {
-        error_setg(errp, "failed to initialize pcie host");
-        return;
-    }
     pci->bus = pci_bus_new(DEVICE(s), "pcie.0",
                            s->mch.pci_address_space, s->mch.address_space_io,
                            0, TYPE_PCIE_BUS);
diff --git a/hw/pci/pcie_host.c b/hw/pci/pcie_host.c
index c6e1b57..7c88a1d 100644
--- a/hw/pci/pcie_host.c
+++ b/hw/pci/pcie_host.c
@@ -83,11 +83,11 @@ static const MemoryRegionOps pcie_mmcfg_ops = {
     .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-int pcie_host_init(PCIExpressHost *e)
+static void pcie_host_init(Object *obj)
 {
-    e->base_addr = PCIE_BASE_ADDR_UNMAPPED;
+    PCIExpressHost *e = PCIE_HOST_BRIDGE(obj);
 
-    return 0;
+    e->base_addr = PCIE_BASE_ADDR_UNMAPPED;
 }
 
 void pcie_host_mmcfg_unmap(PCIExpressHost *e)
@@ -128,6 +128,7 @@ static const TypeInfo pcie_host_type_info = {
     .parent = TYPE_PCI_HOST_BRIDGE,
     .abstract = true,
     .instance_size = sizeof(PCIExpressHost),
+    .instance_init = pcie_host_init,
 };
 
 static void pcie_host_register_types(void)
-- 
MST