pxa2xx: QOM cast cleanup for PXA2xxI2CState

Introduce a type constant, use QOM casts, rename the parent field and
prepare for QOM realize.

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

diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c
index 65483381b917f8249da3715121aaab5abdaaeb8c..7de64534d5b52fe7aa3513e484a8927e58d4bb83 100644 (file)
--- a/hw/arm/pxa2xx.c
+++ b/hw/arm/pxa2xx.c
@@ -1224,8 +1224,15 @@ typedef struct {
     PXA2xxI2CState *host;
 } PXA2xxI2CSlaveState;
 
+#define TYPE_PXA2XX_I2C "pxa2xx_i2c"
+#define PXA2XX_I2C(obj) \
+    OBJECT_CHECK(PXA2xxI2CState, (obj), TYPE_PXA2XX_I2C)
+
 struct PXA2xxI2CState {
-    SysBusDevice busdev;
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+
     MemoryRegion iomem;
     PXA2xxI2CSlaveState *slave;
     i2c_bus *bus;
@@ -1473,16 +1480,16 @@ PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base,
     SysBusDevice *i2c_dev;
     PXA2xxI2CState *s;
 
-    i2c_dev = SYS_BUS_DEVICE(qdev_create(NULL, "pxa2xx_i2c"));
-    qdev_prop_set_uint32(&i2c_dev->qdev, "size", region_size + 1);
-    qdev_prop_set_uint32(&i2c_dev->qdev, "offset", base & region_size);
-
-    qdev_init_nofail(&i2c_dev->qdev);
+    dev = qdev_create(NULL, TYPE_PXA2XX_I2C);
+    qdev_prop_set_uint32(dev, "size", region_size + 1);
+    qdev_prop_set_uint32(dev, "offset", base & region_size);
+    qdev_init_nofail(dev);
 
+    i2c_dev = SYS_BUS_DEVICE(dev);
     sysbus_mmio_map(i2c_dev, 0, base & ~region_size);
     sysbus_connect_irq(i2c_dev, 0, irq);
 
-    s = FROM_SYSBUS(PXA2xxI2CState, i2c_dev);
+    s = PXA2XX_I2C(i2c_dev);
     /* FIXME: Should the slave device really be on a separate bus?  */
     dev = i2c_create_slave(i2c_init_bus(NULL, "dummy"), "pxa2xx-i2c-slave", 0);
     s->slave = FROM_I2C_SLAVE(PXA2xxI2CSlaveState, I2C_SLAVE(dev));
@@ -1491,16 +1498,17 @@ PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base,
     return s;
 }
 
-static int pxa2xx_i2c_initfn(SysBusDevice *dev)
+static int pxa2xx_i2c_initfn(SysBusDevice *sbd)
 {
-    PXA2xxI2CState *s = FROM_SYSBUS(PXA2xxI2CState, dev);
+    DeviceState *dev = DEVICE(sbd);
+    PXA2xxI2CState *s = PXA2XX_I2C(dev);
 
-    s->bus = i2c_init_bus(&dev->qdev, "i2c");
+    s->bus = i2c_init_bus(dev, "i2c");
 
     memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_i2c_ops, s,
                           "pxa2xx-i2c", s->region_size);
-    sysbus_init_mmio(dev, &s->iomem);
-    sysbus_init_irq(dev, &s->irq);
+    sysbus_init_mmio(sbd, &s->iomem);
+    sysbus_init_irq(sbd, &s->irq);
 
     return 0;
 }
@@ -1528,7 +1536,7 @@ static void pxa2xx_i2c_class_init(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo pxa2xx_i2c_info = {
-    .name          = "pxa2xx_i2c",
+    .name          = TYPE_PXA2XX_I2C,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(PXA2xxI2CState),
     .class_init    = pxa2xx_i2c_class_init,