lm32_uart: QOM cast cleanup

Signed-off-by: Andreas Färber <afaerber@suse.de>
qemu · Jul 29, 2013 · 85f3d30 · 85f3d30
1 parent a0b9792
commit 85f3d30
Showing 1 changed file with 8 additions and 4 deletions.
diff --git a/hw/char/lm32_uart.c b/hw/char/lm32_uart.c
@@ -89,8 +89,12 @@ enum {
     MSR_DCD  = (1<<7),
 };
 
+#define TYPE_LM32_UART "lm32-uart"
+#define LM32_UART(obj) OBJECT_CHECK(LM32UartState, (obj), TYPE_LM32_UART)
+
 struct LM32UartState {
-    SysBusDevice busdev;
+    SysBusDevice parent_obj;
+
     MemoryRegion iomem;
     CharDriverState *chr;
     qemu_irq irq;
@@ -233,7 +237,7 @@ static void uart_event(void *opaque, int event)
 
 static void uart_reset(DeviceState *d)
 {
-    LM32UartState *s = container_of(d, LM32UartState, busdev.qdev);
+    LM32UartState *s = LM32_UART(d);
     int i;
 
     for (i = 0; i < R_MAX; i++) {
@@ -246,7 +250,7 @@ static void uart_reset(DeviceState *d)
 
 static int lm32_uart_init(SysBusDevice *dev)
 {
-    LM32UartState *s = FROM_SYSBUS(typeof(*s), dev);
+    LM32UartState *s = LM32_UART(dev);
 
     sysbus_init_irq(dev, &s->irq);
 
@@ -284,7 +288,7 @@ static void lm32_uart_class_init(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo lm32_uart_info = {
-    .name          = "lm32-uart",
+    .name          = TYPE_LM32_UART,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(LM32UartState),
     .class_init    = lm32_uart_class_init,