We can reuse memory_region_init_io in these functions.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
---
 system/memory.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/system/memory.c b/system/memory.c
index e15f931a8a..13d4e3314b 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -1705,10 +1705,9 @@ void memory_region_init_ram_device_ptr(MemoryRegion *mr,
                                        uint64_t size,
                                        void *ptr)
 {
-    memory_region_init(mr, owner, name, size);
+    memory_region_init_io(mr, owner, &ram_device_mem_ops, mr, name, size);
     mr->ram = true;
     mr->ram_device = true;
-    memory_region_set_ops(mr, &ram_device_mem_ops, mr);
     mr->destructor = memory_region_destructor_ram;
 
     /* qemu_ram_alloc_from_ptr cannot fail with ptr != NULL.  */
@@ -3762,8 +3761,7 @@ bool memory_region_init_rom_device(MemoryRegion *mr,
     Error *err = NULL;
 
     assert(ops);
-    memory_region_init(mr, owner, name, size);
-    memory_region_set_ops(mr, ops, opaque);
+    memory_region_init_io(mr, owner, ops, opaque, name, size);
     mr->rom_device = true;
     mr->destructor = memory_region_destructor_ram;
     mr->ram_block = qemu_ram_alloc(size, 0, mr, &err);
-- 
2.41.3