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hw/gpio: QOM'ify mpc8xxx.c

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* Drop the old SysBus init function and use instance_init
* Change mpc8xxx_gpio_reset to a DeviceClass::reset function

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
xiaoqiang zhao 2017-01-06 08:26:25 +08:00 committed by David Gibson
parent 2bf25e07bb
commit 396781f627
1 changed files with 11 additions and 9 deletions
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20
hw/gpio/mpc8xxx.c
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@ -143,8 +143,10 @@ static void mpc8xxx_gpio_write(void *opaque, hwaddr offset,
mpc8xxx_gpio_update(s);
}
static void mpc8xxx_gpio_reset(MPC8XXXGPIOState *s)
static void mpc8xxx_gpio_reset(DeviceState *dev)
{
MPC8XXXGPIOState *s = MPC8XXX_GPIO(dev);
s->dir = 0;
s->odr = 0;
s->dat = 0;
@ -180,33 +182,33 @@ static const MemoryRegionOps mpc8xxx_gpio_ops = {
.endianness = DEVICE_BIG_ENDIAN,
};
static int mpc8xxx_gpio_initfn(SysBusDevice *sbd)
static void mpc8xxx_gpio_initfn(Object *obj)
{
DeviceState *dev = DEVICE(sbd);
MPC8XXXGPIOState *s = MPC8XXX_GPIO(dev);
DeviceState *dev = DEVICE(obj);
MPC8XXXGPIOState *s = MPC8XXX_GPIO(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
memory_region_init_io(&s->iomem, OBJECT(s), &mpc8xxx_gpio_ops, s, "mpc8xxx_gpio", 0x1000);
memory_region_init_io(&s->iomem, obj, &mpc8xxx_gpio_ops,
s, "mpc8xxx_gpio", 0x1000);
sysbus_init_mmio(sbd, &s->iomem);
sysbus_init_irq(sbd, &s->irq);
qdev_init_gpio_in(dev, mpc8xxx_gpio_set_irq, 32);
qdev_init_gpio_out(dev, s->out, 32);
mpc8xxx_gpio_reset(s);
return 0;
}
static void mpc8xxx_gpio_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
k->init = mpc8xxx_gpio_initfn;
dc->vmsd = &vmstate_mpc8xxx_gpio;
dc->reset = mpc8xxx_gpio_reset;
}
static const TypeInfo mpc8xxx_gpio_info = {
.name = TYPE_MPC8XXX_GPIO,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(MPC8XXXGPIOState),
.instance_init = mpc8xxx_gpio_initfn,
.class_init = mpc8xxx_gpio_class_init,
};