[Qemu-devel] [PATCH 5/7] hw/core/sysbus: add fdt_add_node method

[Eric Auger <eric.auger@linaro.org>]

This method is meant to be called on sysbus device dynamic
instantiation (-device option). Devices that support this
kind of instantiation must implement this method.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
---
 hw/core/sysbus.c    | 12 ++++++++++++
 include/hw/sysbus.h |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c
index aacc446..c1c0009 100644
--- a/hw/core/sysbus.c
+++ b/hw/core/sysbus.c
@@ -289,11 +289,23 @@ MemoryRegion *sysbus_address_space(SysBusDevice *dev)
     return get_system_memory();
 }
 
+/*
+ * to be specialized in susbus devices that support dynamic instantiation
+ */
+void sysbus_fdt_add_node(SysBusDevice *dev, void *data)
+{
+    error_report("Dynamic instantiation of Device %s"
+                 " is not implemented",
+                 qdev_fw_name(DEVICE(dev)));
+}
+
 static void sysbus_device_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *k = DEVICE_CLASS(klass);
+    SysBusDeviceClass *sbdevk = SYS_BUS_DEVICE_CLASS(klass);
     k->init = sysbus_device_init;
     k->bus_type = TYPE_SYSTEM_BUS;
+    sbdevk->fdt_add_node = sysbus_fdt_add_node;
 }
 
 static const TypeInfo sysbus_device_type_info = {
diff --git a/include/hw/sysbus.h b/include/hw/sysbus.h
index 533184a..df514f9 100644
--- a/include/hw/sysbus.h
+++ b/include/hw/sysbus.h
@@ -40,6 +40,7 @@ typedef struct SysBusDeviceClass {
     /*< public >*/
 
     int (*init)(SysBusDevice *dev);
+    void (*fdt_add_node)(SysBusDevice *dev, void *data);
 } SysBusDeviceClass;
 
 struct SysBusDevice {
@@ -73,6 +74,7 @@ void sysbus_mmio_map_overlap(SysBusDevice *dev, int n, hwaddr addr,
 void sysbus_add_io(SysBusDevice *dev, hwaddr addr,
                    MemoryRegion *mem);
 void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem);
+void sysbus_fdt_add_node(SysBusDevice *dev, void *mem);
 MemoryRegion *sysbus_address_space(SysBusDevice *dev);
 
 /* Legacy helper function for creating devices.  */
-- 
1.8.3.2