etraxfs_pic: QOM cast cleanup

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

diff --git a/hw/intc/etraxfs_pic.c b/hw/intc/etraxfs_pic.c
index ce3a3f6..e02da53 100644 (file)
--- a/hw/intc/etraxfs_pic.c
+++ b/hw/intc/etraxfs_pic.c
@@ -36,9 +36,14 @@
 #define R_R_GURU    4
 #define R_MAX       5
 
+#define TYPE_ETRAX_FS_PIC "etraxfs,pic"
+#define ETRAX_FS_PIC(obj) \
+    OBJECT_CHECK(struct etrax_pic, (obj), TYPE_ETRAX_FS_PIC)
+
 struct etrax_pic
 {
-    SysBusDevice busdev;
+    SysBusDevice parent_obj;
+
     MemoryRegion mmio;
     void *interrupt_vector;
     qemu_irq parent_irq;
@@ -138,17 +143,18 @@ static void irq_handler(void *opaque, int irq, int level)
     pic_update(fs);
 }
 
-static int etraxfs_pic_init(SysBusDevice *dev)
+static int etraxfs_pic_init(SysBusDevice *sbd)
 {
-    struct etrax_pic *s = FROM_SYSBUS(typeof (*s), dev);
+    DeviceState *dev = DEVICE(sbd);
+    struct etrax_pic *s = ETRAX_FS_PIC(dev);
 
-    qdev_init_gpio_in(&dev->qdev, irq_handler, 32);
-    sysbus_init_irq(dev, &s->parent_irq);
-    sysbus_init_irq(dev, &s->parent_nmi);
+    qdev_init_gpio_in(dev, irq_handler, 32);
+    sysbus_init_irq(sbd, &s->parent_irq);
+    sysbus_init_irq(sbd, &s->parent_nmi);
 
     memory_region_init_io(&s->mmio, OBJECT(s), &pic_ops, s,
                           "etraxfs-pic", R_MAX * 4);
-    sysbus_init_mmio(dev, &s->mmio);
+    sysbus_init_mmio(sbd, &s->mmio);
     return 0;
 }
 
@@ -167,7 +173,7 @@ static void etraxfs_pic_class_init(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo etraxfs_pic_info = {
-    .name          = "etraxfs,pic",
+    .name          = TYPE_ETRAX_FS_PIC,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(struct etrax_pic),
     .class_init    = etraxfs_pic_class_init,