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milkymist-ac97: QOM cast cleanup 

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

Reviewed-by: Hu Tao <hutao@cn.fujitsu.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-07-24 10:15:29 +02:00
parent 9e3f8599fc
commit 922cc6010e
1 changed files with 9 additions and 4 deletions
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13
hw/audio/milkymist-ac97.c
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@ -51,8 +51,13 @@ enum {
CTRL_EN = (1<<0),
};
#define TYPE_MILKYMIST_AC97 "milkymist-ac97"
#define MILKYMIST_AC97(obj) \
OBJECT_CHECK(MilkymistAC97State, (obj), TYPE_MILKYMIST_AC97)
struct MilkymistAC97State {
SysBusDevice busdev;
SysBusDevice parent_obj;
MemoryRegion regs_region;
QEMUSoundCard card;
@ -258,7 +263,7 @@ static void ac97_out_cb(void *opaque, int free_b)
static void milkymist_ac97_reset(DeviceState *d)
{
MilkymistAC97State *s = container_of(d, MilkymistAC97State, busdev.qdev);
MilkymistAC97State *s = MILKYMIST_AC97(d);
int i;
for (i = 0; i < R_MAX; i++) {
@ -280,7 +285,7 @@ static int ac97_post_load(void *opaque, int version_id)
static int milkymist_ac97_init(SysBusDevice *dev)
{
MilkymistAC97State *s = FROM_SYSBUS(typeof(*s), dev);
MilkymistAC97State *s = MILKYMIST_AC97(dev);
struct audsettings as;
sysbus_init_irq(dev, &s->crrequest_irq);
@ -330,7 +335,7 @@ static void milkymist_ac97_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo milkymist_ac97_info = {
.name = "milkymist-ac97",
.name = TYPE_MILKYMIST_AC97,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(MilkymistAC97State),
.class_init = milkymist_ac97_class_init,