fwcfg: QOM'ify some more

Use type constant if possible and avoid DO_UPCAST().

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
[AF: Renamed parent field]
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Hu Tao 2013-07-01 18:18:32 +08:00 committed by Andreas Färber
parent b3b162c3cf
commit 2ce92a1102

View File

@ -35,6 +35,7 @@
#define TYPE_FW_CFG "fw_cfg"
#define FW_CFG_NAME "fw_cfg"
#define FW_CFG_PATH "/machine/" FW_CFG_NAME
#define FW_CFG(obj) OBJECT_CHECK(FWCfgState, (obj), TYPE_FW_CFG)
typedef struct FWCfgEntry {
uint32_t len;
@ -44,7 +45,10 @@ typedef struct FWCfgEntry {
} FWCfgEntry;
struct FWCfgState {
SysBusDevice busdev;
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion ctl_iomem, data_iomem, comb_iomem;
uint32_t ctl_iobase, data_iobase;
FWCfgEntry entries[2][FW_CFG_MAX_ENTRY];
@ -326,7 +330,7 @@ static const MemoryRegionOps fw_cfg_comb_mem_ops = {
static void fw_cfg_reset(DeviceState *d)
{
FWCfgState *s = DO_UPCAST(FWCfgState, busdev.qdev, d);
FWCfgState *s = FW_CFG(d);
fw_cfg_select(s, 0);
}
@ -489,12 +493,12 @@ FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
SysBusDevice *d;
FWCfgState *s;
dev = qdev_create(NULL, "fw_cfg");
dev = qdev_create(NULL, TYPE_FW_CFG);
qdev_prop_set_uint32(dev, "ctl_iobase", ctl_port);
qdev_prop_set_uint32(dev, "data_iobase", data_port);
d = SYS_BUS_DEVICE(dev);
s = DO_UPCAST(FWCfgState, busdev.qdev, dev);
s = FW_CFG(dev);
assert(!object_resolve_path(FW_CFG_PATH, NULL));
@ -524,7 +528,7 @@ FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
static int fw_cfg_init1(SysBusDevice *dev)
{
FWCfgState *s = FROM_SYSBUS(FWCfgState, dev);
FWCfgState *s = FW_CFG(dev);
memory_region_init_io(&s->ctl_iomem, OBJECT(s), &fw_cfg_ctl_mem_ops, s,
"fwcfg.ctl", FW_CFG_SIZE);
@ -557,8 +561,7 @@ static Property fw_cfg_properties[] = {
FWCfgState *fw_cfg_find(void)
{
return OBJECT_CHECK(FWCfgState, object_resolve_path(FW_CFG_PATH, NULL),
TYPE_FW_CFG);
return FW_CFG(object_resolve_path(FW_CFG_PATH, NULL));
}
static void fw_cfg_class_init(ObjectClass *klass, void *data)