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[PULL 12/55] ps2: don't use vmstate_register() in ps2_kbd_init()


From: Mark Cave-Ayland
Subject: [PULL 12/55] ps2: don't use vmstate_register() in ps2_kbd_init()
Date: Sun, 26 Jun 2022 18:44:48 +0100

Since PS2_KBD_DEVICE is a qdev device then vmstate_ps2_keyboard can be 
registered
using the DeviceClass vmsd field instead. There is no need to use
qdev_set_legacy_instance_id() to ensure migration compatibility since the first 
2
parameters to vmstate_register() are NULL and 0 respectively.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20220624134109.881989-13-mark.cave-ayland@ilande.co.uk>
---
 hw/input/ps2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/input/ps2.c b/hw/input/ps2.c
index eae7df2096..97e9172ba5 100644
--- a/hw/input/ps2.c
+++ b/hw/input/ps2.c
@@ -1232,7 +1232,6 @@ void *ps2_kbd_init(void (*update_irq)(void *, int), void 
*update_arg)
     trace_ps2_kbd_init(s);
     ps2->update_irq = update_irq;
     ps2->update_arg = update_arg;
-    vmstate_register(NULL, 0, &vmstate_ps2_keyboard, s);
 
     return s;
 }
@@ -1274,6 +1273,7 @@ static void ps2_kbd_class_init(ObjectClass *klass, void 
*data)
 
     dc->realize = ps2_kbd_realize;
     device_class_set_parent_reset(dc, ps2_kbd_reset, &ps2dc->parent_reset);
+    dc->vmsd = &vmstate_ps2_keyboard;
 }
 
 static const TypeInfo ps2_kbd_info = {
-- 
2.30.2




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