hw/arm: QOM'ify integratorcp.c

* Drop the use of old SysBus init function and use instance_init
* Remove the empty 'icp_pic_class_init' from Typeinfo

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 12 insertions, 20 deletions

diff --git a/hw/arm/integratorcp.c b/hw/arm/integratorcp.c
index e31bca6e72..24f16874f9 100644
--- a/hw/arm/integratorcp.c
+++ b/hw/arm/integratorcp.c
@@ -242,9 +242,10 @@ static const MemoryRegionOps integratorcm_ops = {
     .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-static int integratorcm_init(SysBusDevice *dev)
+static void integratorcm_init(Object *obj)
 {
-    IntegratorCMState *s = INTEGRATOR_CM(dev);
+    IntegratorCMState *s = INTEGRATOR_CM(obj);
+    SysBusDevice *dev = SYS_BUS_DEVICE(obj);
 
     s->cm_osc = 0x01000048;
     /* ??? What should the high bits of this value be?  */
@@ -269,17 +270,16 @@ static int integratorcm_init(SysBusDevice *dev)
     s->cm_init = 0x00000112;
     s->cm_refcnt_offset = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24,
                                    1000);
-    memory_region_init_ram(&s->flash, OBJECT(s), "integrator.flash", 0x100000,
+    memory_region_init_ram(&s->flash, obj, "integrator.flash", 0x100000,
                            &error_fatal);
     vmstate_register_ram_global(&s->flash);
 
-    memory_region_init_io(&s->iomem, OBJECT(s), &integratorcm_ops, s,
+    memory_region_init_io(&s->iomem, obj, &integratorcm_ops, s,
                           "integratorcm", 0x00800000);
     sysbus_init_mmio(dev, &s->iomem);
 
     integratorcm_do_remap(s);
     /* ??? Save/restore.  */
-    return 0;
 }
 
 /* Integrator/CP hardware emulation.  */
@@ -394,18 +394,18 @@ static const MemoryRegionOps icp_pic_ops = {
     .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-static int icp_pic_init(SysBusDevice *sbd)
+static void icp_pic_init(Object *obj)
 {
-    DeviceState *dev = DEVICE(sbd);
-    icp_pic_state *s = INTEGRATOR_PIC(dev);
+    DeviceState *dev = DEVICE(obj);
+    icp_pic_state *s = INTEGRATOR_PIC(obj);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
 
     qdev_init_gpio_in(dev, icp_pic_set_irq, 32);
     sysbus_init_irq(sbd, &s->parent_irq);
     sysbus_init_irq(sbd, &s->parent_fiq);
-    memory_region_init_io(&s->iomem, OBJECT(s), &icp_pic_ops, s,
+    memory_region_init_io(&s->iomem, obj, &icp_pic_ops, s,
                           "icp-pic", 0x00800000);
     sysbus_init_mmio(sbd, &s->iomem);
-    return 0;
 }
 
 /* CP control registers.  */
@@ -630,9 +630,7 @@ static Property core_properties[] = {
 static void core_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 
-    k->init = integratorcm_init;
     dc->props = core_properties;
 }
 
@@ -640,21 +638,15 @@ static const TypeInfo core_info = {
     .name          = TYPE_INTEGRATOR_CM,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(IntegratorCMState),
+    .instance_init = integratorcm_init,
     .class_init    = core_class_init,
 };
 
-static void icp_pic_class_init(ObjectClass *klass, void *data)
-{
-    SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
-
-    sdc->init = icp_pic_init;
-}
-
 static const TypeInfo icp_pic_info = {
     .name          = TYPE_INTEGRATOR_PIC,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(icp_pic_state),
-    .class_init    = icp_pic_class_init,
+    .instance_init = icp_pic_init,
 };
 
 static const TypeInfo icp_ctrl_regs_info = {