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stellaris: QOM cast cleanup for stellaris_i2c_state

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

Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-07-24 09:08:23 +02:00
parent 8ef1d3947e
commit d94a40156b
1 changed files with 15 additions and 9 deletions
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24
hw/arm/stellaris.c
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@ -685,8 +685,13 @@ static int stellaris_sys_init(uint32_t base, qemu_irq irq,
/* I2C controller. */
#define TYPE_STELLARIS_I2C "stellaris-i2c"
#define STELLARIS_I2C(obj) \
OBJECT_CHECK(stellaris_i2c_state, (obj), TYPE_STELLARIS_I2C)
typedef struct {
SysBusDevice busdev;
SysBusDevice parent_obj;
i2c_bus *bus;
qemu_irq irq;
MemoryRegion iomem;
@ -859,21 +864,22 @@ static const VMStateDescription vmstate_stellaris_i2c = {
}
};
static int stellaris_i2c_init(SysBusDevice * dev)
static int stellaris_i2c_init(SysBusDevice *sbd)
{
stellaris_i2c_state *s = FROM_SYSBUS(stellaris_i2c_state, dev);
DeviceState *dev = DEVICE(sbd);
stellaris_i2c_state *s = STELLARIS_I2C(dev);
i2c_bus *bus;
sysbus_init_irq(dev, &s->irq);
bus = i2c_init_bus(&dev->qdev, "i2c");
sysbus_init_irq(sbd, &s->irq);
bus = i2c_init_bus(dev, "i2c");
s->bus = bus;
memory_region_init_io(&s->iomem, OBJECT(s), &stellaris_i2c_ops, s,
"i2c", 0x1000);
sysbus_init_mmio(dev, &s->iomem);
sysbus_init_mmio(sbd, &s->iomem);
/* ??? For now we only implement the master interface. */
stellaris_i2c_reset(s);
vmstate_register(&dev->qdev, -1, &vmstate_stellaris_i2c, s);
vmstate_register(dev, -1, &vmstate_stellaris_i2c, s);
return 0;
}
@ -1244,7 +1250,7 @@ static void stellaris_init(const char *kernel_filename, const char *cpu_model,
}
if (board->dc2 & (1 << 12)) {
dev = sysbus_create_simple("stellaris-i2c", 0x40020000, pic[8]);
dev = sysbus_create_simple(TYPE_STELLARIS_I2C, 0x40020000, pic[8]);
i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c");
if (board->peripherals & BP_OLED_I2C) {
i2c_create_slave(i2c, "ssd0303", 0x3d);
@ -1363,7 +1369,7 @@ static void stellaris_i2c_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo stellaris_i2c_info = {
.name = "stellaris-i2c",
.name = TYPE_STELLARIS_I2C,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(stellaris_i2c_state),
.class_init = stellaris_i2c_class_init,