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[Qemu-devel] [PATCH 5/5] hw/input: QOM'ify milkymist-softusb.c


From: xiaoqiang zhao
Subject: [Qemu-devel] [PATCH 5/5] hw/input: QOM'ify milkymist-softusb.c
Date: Sat, 31 Dec 2016 09:18:47 +0800

split the old SysBus init function into an instance_init
and Device realize function

Signed-off-by: xiaoqiang zhao <address@hidden>
---
 hw/input/milkymist-softusb.c | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/hw/input/milkymist-softusb.c b/hw/input/milkymist-softusb.c
index 40dfca157f..2afbca8a9c 100644
--- a/hw/input/milkymist-softusb.c
+++ b/hw/input/milkymist-softusb.c
@@ -245,32 +245,37 @@ static void milkymist_softusb_reset(DeviceState *d)
     s->regs[R_CTRL] = CTRL_RESET;
 }
 
-static int milkymist_softusb_init(SysBusDevice *dev)
+static void milkymist_softusb_init(Object *obj)
 {
+    SysBusDevice *dev = SYS_BUS_DEVICE(obj);
     MilkymistSoftUsbState *s = MILKYMIST_SOFTUSB(dev);
 
     sysbus_init_irq(dev, &s->irq);
 
-    memory_region_init_io(&s->regs_region, OBJECT(s), &softusb_mmio_ops, s,
+    memory_region_init_io(&s->regs_region, obj, &softusb_mmio_ops, s,
                           "milkymist-softusb", R_MAX * 4);
     sysbus_init_mmio(dev, &s->regs_region);
+}
+
+static void milkymist_softusb_realize(DeviceState *dev, Error **errp)
+{
+    MilkymistSoftUsbState *s = MILKYMIST_SOFTUSB(dev);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
 
     /* register pmem and dmem */
     memory_region_init_ram(&s->pmem, OBJECT(s), "milkymist-softusb.pmem",
                            s->pmem_size, &error_fatal);
     vmstate_register_ram_global(&s->pmem);
     s->pmem_ptr = memory_region_get_ram_ptr(&s->pmem);
-    sysbus_init_mmio(dev, &s->pmem);
+    sysbus_init_mmio(sbd, &s->pmem);
     memory_region_init_ram(&s->dmem, OBJECT(s), "milkymist-softusb.dmem",
                            s->dmem_size, &error_fatal);
     vmstate_register_ram_global(&s->dmem);
     s->dmem_ptr = memory_region_get_ram_ptr(&s->dmem);
-    sysbus_init_mmio(dev, &s->dmem);
+    sysbus_init_mmio(sbd, &s->dmem);
 
     hid_init(&s->hid_kbd, HID_KEYBOARD, softusb_kbd_hid_datain);
     hid_init(&s->hid_mouse, HID_MOUSE, softusb_mouse_hid_datain);
-
-    return 0;
 }
 
 static const VMStateDescription vmstate_milkymist_softusb = {
@@ -296,9 +301,8 @@ static Property milkymist_softusb_properties[] = {
 static void milkymist_softusb_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 
-    k->init = milkymist_softusb_init;
+    dc->realize = milkymist_softusb_realize;
     dc->reset = milkymist_softusb_reset;
     dc->vmsd = &vmstate_milkymist_softusb;
     dc->props = milkymist_softusb_properties;
@@ -308,6 +312,7 @@ static const TypeInfo milkymist_softusb_info = {
     .name          = TYPE_MILKYMIST_SOFTUSB,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(MilkymistSoftUsbState),
+    .instance_init = milkymist_softusb_init,
     .class_init    = milkymist_softusb_class_init,
 };
 
-- 
2.11.0





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