Merge remote-tracking branch 'remotes/armbru/tags/pull-qom-2020-06-15' into staging

QOM patches for 2020-06-15

# gpg: Signature made Mon 15 Jun 2020 21:07:19 BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qom-2020-06-15: (84 commits)
  MAINTAINERS: Make section QOM cover hw/core/*bus.c as well
  qdev: qdev_init_nofail() is now unused, drop
  qdev: Convert bus-less devices to qdev_realize() with Coccinelle
  qdev: Use qdev_realize() in qdev_device_add()
  qdev: Make qdev_realize() support bus-less devices
  s390x/event-facility: Simplify creation of SCLP event devices
  microbit: Eliminate two local variables in microbit_init()
  sysbus: sysbus_init_child_obj() is now unused, drop
  sysbus: Convert qdev_set_parent_bus() use with Coccinelle, part 4
  sysbus: Convert qdev_set_parent_bus() use with Coccinelle, part 3
  sysbus: Convert qdev_set_parent_bus() use with Coccinelle, part 2
  sysbus: Convert qdev_set_parent_bus() use with Coccinelle, part 1
  qdev: Drop qdev_realize() support for null bus
  sysbus: Convert to sysbus_realize() etc. with Coccinelle
  sysbus: New sysbus_realize(), sysbus_realize_and_unref()
  sysbus: Tidy up sysbus_init_child_obj()'s @childsize arg, part 2
  hw/arm/armsse: Pass correct child size to sysbus_init_child_obj()
  sysbus: Tidy up sysbus_init_child_obj()'s @childsize arg, part 1
  microbit: Tidy up sysbus_init_child_obj() @child argument
  sysbus: Drop useless OBJECT() in sysbus_init_child_obj() calls
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 10 insertions, 12 deletions

diff --git a/hw/arm/microbit.c b/hw/arm/microbit.c
index ef213695bd..8fe42c9d6a 100644
--- a/hw/arm/microbit.c
+++ b/hw/arm/microbit.c
@@ -36,30 +36,28 @@ static void microbit_init(MachineState *machine)
     MicrobitMachineState *s = MICROBIT_MACHINE(machine);
     MemoryRegion *system_memory = get_system_memory();
     MemoryRegion *mr;
-    Object *soc = OBJECT(&s->nrf51);
-    Object *i2c = OBJECT(&s->i2c);
 
-    sysbus_init_child_obj(OBJECT(machine), "nrf51", soc, sizeof(s->nrf51),
-                          TYPE_NRF51_SOC);
+    object_initialize_child(OBJECT(machine), "nrf51", &s->nrf51,
+                            TYPE_NRF51_SOC);
     qdev_prop_set_chr(DEVICE(&s->nrf51), "serial0", serial_hd(0));
-    object_property_set_link(soc, OBJECT(system_memory), "memory",
-                             &error_fatal);
-    object_property_set_bool(soc, true, "realized", &error_fatal);
+    object_property_set_link(OBJECT(&s->nrf51), OBJECT(system_memory),
+                             "memory", &error_fatal);
+    sysbus_realize(SYS_BUS_DEVICE(&s->nrf51), &error_fatal);
 
     /*
      * Overlap the TWI stub device into the SoC.  This is a microbit-specific
      * hack until we implement the nRF51 TWI controller properly and the
      * magnetometer/accelerometer devices.
      */
-    sysbus_init_child_obj(OBJECT(machine), "microbit.twi", i2c,
-                          sizeof(s->i2c), TYPE_MICROBIT_I2C);
-    object_property_set_bool(i2c, true, "realized", &error_fatal);
-    mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(i2c), 0);
+    object_initialize_child(OBJECT(machine), "microbit.twi", &s->i2c,
+                            TYPE_MICROBIT_I2C);
+    sysbus_realize(SYS_BUS_DEVICE(&s->i2c), &error_fatal);
+    mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->i2c), 0);
     memory_region_add_subregion_overlap(&s->nrf51.container, NRF51_TWI_BASE,
                                         mr, -1);
 
     armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename,
-                       NRF51_SOC(soc)->flash_size);
+                       s->nrf51.flash_size);
 }
 
 static void microbit_machine_class_init(ObjectClass *oc, void *data)