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Re: [Qemu-devel] [RESEND PATCH 2/9] hw/dma: QOM'ify sparc32_dma.c


From: Philippe Mathieu-Daudé
Subject: Re: [Qemu-devel] [RESEND PATCH 2/9] hw/dma: QOM'ify sparc32_dma.c
Date: Thu, 9 Feb 2017 19:07:19 -0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0

On 02/05/2017 10:37 AM, xiaoqiang zhao wrote:
Drop the old SysBus init function and use instance_init
and an realize function

Signed-off-by: xiaoqiang zhao <address@hidden>

Reviewed-by: Philippe Mathieu-Daudé <address@hidden>

---
 hw/dma/sparc32_dma.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/hw/dma/sparc32_dma.c b/hw/dma/sparc32_dma.c
index 9d545e412e..ef4c6a93c8 100644
--- a/hw/dma/sparc32_dma.c
+++ b/hw/dma/sparc32_dma.c
@@ -270,23 +270,28 @@ static const VMStateDescription vmstate_dma = {
     }
 };

-static int sparc32_dma_init1(SysBusDevice *sbd)
+static void sparc32_dma_init(Object *obj)
 {
-    DeviceState *dev = DEVICE(sbd);
-    DMAState *s = SPARC32_DMA(dev);
-    int reg_size;
+    DeviceState *dev = DEVICE(obj);
+    DMAState *s = SPARC32_DMA(obj);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);

     sysbus_init_irq(sbd, &s->irq);

-    reg_size = s->is_ledma ? DMA_ETH_SIZE : DMA_SIZE;
-    memory_region_init_io(&s->iomem, OBJECT(s), &dma_mem_ops, s,
-                          "dma", reg_size);
     sysbus_init_mmio(sbd, &s->iomem);

     qdev_init_gpio_in(dev, dma_set_irq, 1);
     qdev_init_gpio_out(dev, s->gpio, 2);
+}

-    return 0;
+static void sparc32_dma_realize(DeviceState *dev, Error **errp)
+{
+    DMAState *s = SPARC32_DMA(dev);
+    int reg_size;
+
+    reg_size = s->is_ledma ? DMA_ETH_SIZE : DMA_SIZE;
+    memory_region_init_io(&s->iomem, OBJECT(dev), &dma_mem_ops, s,
+                          "dma", reg_size);
 }

 static Property sparc32_dma_properties[] = {
@@ -298,12 +303,11 @@ static Property sparc32_dma_properties[] = {
 static void sparc32_dma_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);

-    k->init = sparc32_dma_init1;
     dc->reset = dma_reset;
     dc->vmsd = &vmstate_dma;
     dc->props = sparc32_dma_properties;
+    dc->realize = sparc32_dma_realize;
     /* Reason: pointer property "iommu_opaque" */
     dc->cannot_instantiate_with_device_add_yet = true;
 }
@@ -312,6 +316,7 @@ static const TypeInfo sparc32_dma_info = {
     .name          = TYPE_SPARC32_DMA,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(DMAState),
+    .instance_init = sparc32_dma_init,
     .class_init    = sparc32_dma_class_init,
 };





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