qdev: use device_class_set_parent_realize/unrealize/reset()

changes generated using the following Coccinelle patch:

  @@
  type DeviceParentClass;
  DeviceParentClass *pc;
  DeviceClass *dc;
  identifier parent_fn;
  identifier child_fn;
  @@
  (
  +device_class_set_parent_realize(dc, child_fn, &pc->parent_fn);
  -pc->parent_fn = dc->realize;
  ...
  -dc->realize = child_fn;
  |
  +device_class_set_parent_unrealize(dc, child_fn, &pc->parent_fn);
  -pc->parent_fn = dc->unrealize;
  ...
  -dc->unrealize = child_fn;
  |
  +device_class_set_parent_reset(dc, child_fn, &pc->parent_fn);
  -pc->parent_fn = dc->reset;
  ...
  -dc->reset = child_fn;
  )

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180114020412.26160-4-f4bug@amsat.org>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

6 files changed, 10 insertions, 16 deletions

diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
index 724bc9fa61..ea0323f969 100644
--- a/hw/intc/arm_gic.c
+++ b/hw/intc/arm_gic.c
@@ -1461,8 +1461,7 @@ static void arm_gic_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     ARMGICClass *agc = ARM_GIC_CLASS(klass);
 
-    agc->parent_realize = dc->realize;
-    dc->realize = arm_gic_realize;
+    device_class_set_parent_realize(dc, arm_gic_realize, &agc->parent_realize);
 }
 
 static const TypeInfo arm_gic_info = {
diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c
index ae095d08a3..6f467e68a8 100644
--- a/hw/intc/arm_gic_kvm.c
+++ b/hw/intc/arm_gic_kvm.c
@@ -591,10 +591,9 @@ static void kvm_arm_gic_class_init(ObjectClass *klass, void *data)
 
     agcc->pre_save = kvm_arm_gic_get;
     agcc->post_load = kvm_arm_gic_put;
-    kgc->parent_realize = dc->realize;
-    kgc->parent_reset = dc->reset;
-    dc->realize = kvm_arm_gic_realize;
-    dc->reset = kvm_arm_gic_reset;
+    device_class_set_parent_realize(dc, kvm_arm_gic_realize,
+                                    &kgc->parent_realize);
+    device_class_set_parent_reset(dc, kvm_arm_gic_reset, &kgc->parent_reset);
 }
 
 static const TypeInfo kvm_arm_gic_info = {
diff --git a/hw/intc/arm_gicv3.c b/hw/intc/arm_gicv3.c
index f0c967b304..479c66733c 100644
--- a/hw/intc/arm_gicv3.c
+++ b/hw/intc/arm_gicv3.c
@@ -385,8 +385,7 @@ static void arm_gicv3_class_init(ObjectClass *klass, void *data)
     ARMGICv3Class *agc = ARM_GICV3_CLASS(klass);
 
     agcc->post_load = arm_gicv3_post_load;
-    agc->parent_realize = dc->realize;
-    dc->realize = arm_gic_realize;
+    device_class_set_parent_realize(dc, arm_gic_realize, &agc->parent_realize);
 }
 
 static const TypeInfo arm_gicv3_info = {
diff --git a/hw/intc/arm_gicv3_its_kvm.c b/hw/intc/arm_gicv3_its_kvm.c
index bf290b8bff..eea6a73df2 100644
--- a/hw/intc/arm_gicv3_its_kvm.c
+++ b/hw/intc/arm_gicv3_its_kvm.c
@@ -245,11 +245,10 @@ static void kvm_arm_its_class_init(ObjectClass *klass, void *data)
 
     dc->realize = kvm_arm_its_realize;
     dc->props   = kvm_arm_its_props;
-    ic->parent_reset = dc->reset;
+    device_class_set_parent_reset(dc, kvm_arm_its_reset, &ic->parent_reset);
     icc->send_msi = kvm_its_send_msi;
     icc->pre_save = kvm_arm_its_pre_save;
     icc->post_load = kvm_arm_its_post_load;
-    dc->reset = kvm_arm_its_reset;
 }
 
 static const TypeInfo kvm_arm_its_info = {
diff --git a/hw/intc/arm_gicv3_kvm.c b/hw/intc/arm_gicv3_kvm.c
index 481fe5405a..ec371772b3 100644
--- a/hw/intc/arm_gicv3_kvm.c
+++ b/hw/intc/arm_gicv3_kvm.c
@@ -795,10 +795,9 @@ static void kvm_arm_gicv3_class_init(ObjectClass *klass, void *data)
 
     agcc->pre_save = kvm_arm_gicv3_get;
     agcc->post_load = kvm_arm_gicv3_put;
-    kgc->parent_realize = dc->realize;
-    kgc->parent_reset = dc->reset;
-    dc->realize = kvm_arm_gicv3_realize;
-    dc->reset = kvm_arm_gicv3_reset;
+    device_class_set_parent_realize(dc, kvm_arm_gicv3_realize,
+                                    &kgc->parent_realize);
+    device_class_set_parent_reset(dc, kvm_arm_gicv3_reset, &kgc->parent_reset);
 }
 
 static const TypeInfo kvm_arm_gicv3_info = {
diff --git a/hw/intc/i8259.c b/hw/intc/i8259.c
index 1602255a87..76f3d873b8 100644
--- a/hw/intc/i8259.c
+++ b/hw/intc/i8259.c
@@ -443,8 +443,7 @@ static void i8259_class_init(ObjectClass *klass, void *data)
     PICClass *k = PIC_CLASS(klass);
     DeviceClass *dc = DEVICE_CLASS(klass);
 
-    k->parent_realize = dc->realize;
-    dc->realize = pic_realize;
+    device_class_set_parent_realize(dc, pic_realize, &k->parent_realize);
     dc->reset = pic_reset;
 }