Avoid asprintf() which is not available on mingw

[qemu.git] / hw / i2c.c

diff --git a/hw/i2c.c b/hw/i2c.c
index af5979e65da4f3f62643b5b86231fc421406bffb..296bece119b3217de03b40e18cfdda812e3464d2 100644 (file)
--- a/hw/i2c.c
+++ b/hw/i2c.c
@@ -22,9 +22,13 @@ static Property i2c_props[] = {
     DEFINE_PROP_END_OF_LIST(),
 };
 
-static struct BusInfo i2c_bus_info = {
-    .name = "I2C",
-    .size = sizeof(i2c_bus),
+#define TYPE_I2C_BUS "i2c-bus"
+#define I2C_BUS(obj) OBJECT_CHECK(i2c_bus, (obj), TYPE_I2C_BUS)
+
+static const TypeInfo i2c_bus_info = {
+    .name = TYPE_I2C_BUS,
+    .parent = TYPE_BUS,
+    .instance_size = sizeof(i2c_bus),
 };
 
 static void i2c_bus_pre_save(void *opaque)
@@ -62,7 +66,7 @@ i2c_bus *i2c_init_bus(DeviceState *parent, const char *name)
 {
     i2c_bus *bus;
 
-    bus = FROM_QBUS(i2c_bus, qbus_create(&i2c_bus_info, parent, name));
+    bus = FROM_QBUS(i2c_bus, qbus_create(TYPE_I2C_BUS, parent, name));
     vmstate_register(NULL, -1, &vmstate_i2c_bus, bus);
     return bus;
 }
@@ -82,11 +86,12 @@ int i2c_bus_busy(i2c_bus *bus)
 /* TODO: Make this handle multiple masters.  */
 int i2c_start_transfer(i2c_bus *bus, uint8_t address, int recv)
 {
-    DeviceState *qdev;
+    BusChild *kid;
     I2CSlave *slave = NULL;
     I2CSlaveClass *sc;
 
-    QTAILQ_FOREACH(qdev, &bus->qbus.children, sibling) {
+    QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) {
+        DeviceState *qdev = kid->child;
         I2CSlave *candidate = I2C_SLAVE_FROM_QDEV(qdev);
         if (candidate->address == address) {
             slave = candidate;
@@ -219,7 +224,7 @@ static void i2c_slave_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *k = DEVICE_CLASS(klass);
     k->init = i2c_slave_qdev_init;
-    k->bus_info = &i2c_bus_info;
+    k->bus_type = TYPE_I2C_BUS;
     k->props = i2c_props;
 }
 
@@ -234,6 +239,7 @@ static TypeInfo i2c_slave_type_info = {
 
 static void i2c_slave_register_types(void)
 {
+    type_register_static(&i2c_bus_info);
     type_register_static(&i2c_slave_type_info);
 }