hw/i*: pass owner to memory_region_init* functions

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/input/milkymist-softusb.c b/hw/input/milkymist-softusb.c
index 69e6485..942cb79 100644
--- a/hw/input/milkymist-softusb.c
+++ b/hw/input/milkymist-softusb.c
@@ -265,17 +265,17 @@
 
     sysbus_init_irq(dev, &s->irq);
 
-    memory_region_init_io(&s->regs_region, NULL, &softusb_mmio_ops, s,
+    memory_region_init_io(&s->regs_region, OBJECT(s), &softusb_mmio_ops, s,
                           "milkymist-softusb", R_MAX * 4);
     sysbus_init_mmio(dev, &s->regs_region);
 
     /* register pmem and dmem */
-    memory_region_init_ram(&s->pmem, NULL, "milkymist-softusb.pmem",
+    memory_region_init_ram(&s->pmem, OBJECT(s), "milkymist-softusb.pmem",
                            s->pmem_size);
     vmstate_register_ram_global(&s->pmem);
     s->pmem_ptr = memory_region_get_ram_ptr(&s->pmem);
     sysbus_init_mmio(dev, &s->pmem);
-    memory_region_init_ram(&s->dmem, NULL, "milkymist-softusb.dmem",
+    memory_region_init_ram(&s->dmem, OBJECT(s), "milkymist-softusb.dmem",
                            s->dmem_size);
     vmstate_register_ram_global(&s->dmem);
     s->dmem_ptr = memory_region_get_ram_ptr(&s->dmem);
diff --git a/hw/input/pckbd.c b/hw/input/pckbd.c
index 8d1d6a7..ce86237 100644
--- a/hw/input/pckbd.c
+++ b/hw/input/pckbd.c
@@ -494,8 +494,10 @@
     ISAKBDState *isa_s = I8042(obj);
     KBDState *s = &isa_s->kbd;
 
-    memory_region_init_io(isa_s->io + 0, NULL, &i8042_data_ops, s, "i8042-data", 1);
-    memory_region_init_io(isa_s->io + 1, NULL, &i8042_cmd_ops, s, "i8042-cmd", 1);
+    memory_region_init_io(isa_s->io + 0, obj, &i8042_data_ops, s,
+                          "i8042-data", 1);
+    memory_region_init_io(isa_s->io + 1, obj, &i8042_cmd_ops, s,
+                          "i8042-cmd", 1);
 }
 
 static void i8042_realizefn(DeviceState *dev, Error **errp)
diff --git a/hw/input/pl050.c b/hw/input/pl050.c
index 871ffba..2312ffc 100644
--- a/hw/input/pl050.c
+++ b/hw/input/pl050.c
@@ -137,7 +137,7 @@
 {
     pl050_state *s = FROM_SYSBUS(pl050_state, dev);
 
-    memory_region_init_io(&s->iomem, NULL, &pl050_ops, s, "pl050", 0x1000);
+    memory_region_init_io(&s->iomem, OBJECT(s), &pl050_ops, s, "pl050", 0x1000);
     sysbus_init_mmio(dev, &s->iomem);
     sysbus_init_irq(dev, &s->irq);
     s->is_mouse = is_mouse;