tusb6010: QOM cast cleanup

Signed-off-by: NAndreas Färber <afaerber@suse.de>

hw/timer/tusb6010.c

@@ -26,8 +26,12 @@
 #include "hw/devices.h"
 #include "hw/sysbus.h"
 
+#define TYPE_TUSB6010 "tusb6010"
+#define TUSB(obj) OBJECT_CHECK(TUSBState, (obj), TYPE_TUSB6010)
+
 typedef struct TUSBState {
-    SysBusDevice busdev;
+    SysBusDevice parent_obj;
+
     MemoryRegion iomem[2];
     qemu_irq irq;
     MUSBState *musb;
@@ -740,7 +744,7 @@ static void tusb6010_irq(void *opaque, int source, int level)
 
 static void tusb6010_reset(DeviceState *dev)
 {
-    TUSBState *s = FROM_SYSBUS(TUSBState, SYS_BUS_DEVICE(dev));
+    TUSBState *s = TUSB(dev);
     int i;
 
     s->test_reset = TUSB_PROD_TEST_RESET_VAL;
@@ -774,18 +778,20 @@ static void tusb6010_reset(DeviceState *dev)
     musb_reset(s->musb);
 }
 
-static int tusb6010_init(SysBusDevice *dev)
+static int tusb6010_init(SysBusDevice *sbd)
 {
-    TUSBState *s = FROM_SYSBUS(TUSBState, dev);
+    DeviceState *dev = DEVICE(sbd);
+    TUSBState *s = TUSB(dev);
+
     s->otg_timer = qemu_new_timer_ns(vm_clock, tusb_otg_tick, s);
     s->pwr_timer = qemu_new_timer_ns(vm_clock, tusb_power_tick, s);
     memory_region_init_io(&s->iomem[1], OBJECT(s), &tusb_async_ops, s,
                           "tusb-async", UINT32_MAX);
-    sysbus_init_mmio(dev, &s->iomem[0]);
-    sysbus_init_mmio(dev, &s->iomem[1]);
-    sysbus_init_irq(dev, &s->irq);
-    qdev_init_gpio_in(&dev->qdev, tusb6010_irq, musb_irq_max + 1);
-    s->musb = musb_init(&dev->qdev, 1);
+    sysbus_init_mmio(sbd, &s->iomem[0]);
+    sysbus_init_mmio(sbd, &s->iomem[1]);
+    sysbus_init_irq(sbd, &s->irq);
+    qdev_init_gpio_in(dev, tusb6010_irq, musb_irq_max + 1);
+    s->musb = musb_init(dev, 1);
     return 0;
 }
 
@@ -799,7 +805,7 @@ static void tusb6010_class_init(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo tusb6010_info = {
-    .name          = "tusb6010",
+    .name          = TYPE_TUSB6010,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(TUSBState),
     .class_init    = tusb6010_class_init,