ide: support PIO restart for the ISA controller

Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NJohn Snow <jsnow@redhat.com>
Message-id: 1424708286-16483-14-git-send-email-jsnow@redhat.com
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

hw/ide/isa.c

@@ -74,7 +74,8 @@ static void isa_ide_realizefn(DeviceState *dev, Error **errp)
     isa_init_irq(isadev, &s->irq, s->isairq);
     ide_init2(&s->bus, s->irq);
     vmstate_register(dev, 0, &vmstate_ide_isa, s);
-};
+    ide_register_restart_cb(&s->bus);
+}
 
 ISADevice *isa_ide_init(ISABus *bus, int iobase, int iobase2, int isairq,
                         DriveInfo *hd0, DriveInfo *hd1)