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ppce500_spin: QOM cast cleanup

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Introduce type constant and use QOM cast.

Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-07-27 13:03:07 +02:00
parent 8c1892cf72
commit 880fc798fd
1 changed files with 8 additions and 6 deletions
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14
hw/ppc/ppce500_spin.c
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@ -42,8 +42,12 @@ typedef struct spin_info {
uint64_t reserved;
} QEMU_PACKED SpinInfo;
typedef struct spin_state {
SysBusDevice busdev;
#define TYPE_E500_SPIN "e500-spin"
#define E500_SPIN(obj) OBJECT_CHECK(SpinState, (obj), TYPE_E500_SPIN)
typedef struct SpinState {
SysBusDevice parent_obj;
MemoryRegion iomem;
SpinInfo spin[MAX_CPUS];
} SpinState;
@ -187,9 +191,7 @@ static const MemoryRegionOps spin_rw_ops = {
static int ppce500_spin_initfn(SysBusDevice *dev)
{
SpinState *s;
s = FROM_SYSBUS(SpinState, SYS_BUS_DEVICE(dev));
SpinState *s = E500_SPIN(dev);
memory_region_init_io(&s->iomem, OBJECT(s), &spin_rw_ops, s,
"e500 spin pv device", sizeof(SpinInfo) * MAX_CPUS);
@ -208,7 +210,7 @@ static void ppce500_spin_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo ppce500_spin_info = {
.name = "e500-spin",
.name = TYPE_E500_SPIN,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(SpinState),
.class_init = ppce500_spin_class_init,