parallel: QOM'ify

Introduce type constant and cast macro to obsolete DO_UPCAST().

Prepares for ISA realizefn.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-11-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/hw/char/parallel.c b/hw/char/parallel.c
index b5e867f21cd05ad0d46bef18206688e6b4d5586a..8e48284520ef5ba5e6a5fe6eae7a035f47741aad 100644 (file)
--- a/hw/char/parallel.c
+++ b/hw/char/parallel.c
@@ -80,8 +80,13 @@ typedef struct ParallelState {
     int it_shift;
 } ParallelState;
 
+#define TYPE_ISA_PARALLEL "isa-parallel"
+#define ISA_PARALLEL(obj) \
+    OBJECT_CHECK(ISAParallelState, (obj), TYPE_ISA_PARALLEL)
+
 typedef struct ISAParallelState {
-    ISADevice dev;
+    ISADevice parent_obj;
+
     uint32_t index;
     uint32_t iobase;
     uint32_t isairq;
@@ -475,7 +480,7 @@ static const MemoryRegionPortio isa_parallel_portio_sw_list[] = {
 static int parallel_isa_initfn(ISADevice *dev)
 {
     static int index;
-    ISAParallelState *isa = DO_UPCAST(ISAParallelState, dev, dev);
+    ISAParallelState *isa = ISA_PARALLEL(dev);
     ParallelState *s = &isa->state;
     int base;
     uint8_t dummy;
@@ -600,7 +605,7 @@ static void parallel_isa_class_initfn(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo parallel_isa_info = {
-    .name          = "isa-parallel",
+    .name          = TYPE_ISA_PARALLEL,
     .parent        = TYPE_ISA_DEVICE,
     .instance_size = sizeof(ISAParallelState),
     .class_init    = parallel_isa_class_initfn,