hw/i2c: Rename i2c_try_create_slave() as i2c_slave_new()

We use "new" names for functions that allocate and initialize
device objects: pci_new(), isa_new(), usb_new().
Let's call this one i2c_slave_new(). Since we have to update
all the callers, also let it return a I2CSlave object.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200705224154.16917-3-f4bug@amsat.org>
Signed-off-by: Corey Minyard <cminyard@mvista.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/hw/i2c/core.c b/hw/i2c/core.c
index acf34a12d6..144786f17a 100644
--- a/hw/i2c/core.c
+++ b/hw/i2c/core.c
@@ -267,13 +267,13 @@ const VMStateDescription vmstate_i2c_slave = {
     }
 };
 
-DeviceState *i2c_try_create_slave(const char *name, uint8_t addr)
+I2CSlave *i2c_slave_new(const char *name, uint8_t addr)
 {
     DeviceState *dev;
 
     dev = qdev_new(name);
     qdev_prop_set_uint8(dev, "address", addr);
-    return dev;
+    return I2C_SLAVE(dev);
 }
 
 bool i2c_realize_and_unref(DeviceState *dev, I2CBus *bus, Error **errp)
@@ -283,12 +283,11 @@ bool i2c_realize_and_unref(DeviceState *dev, I2CBus *bus, Error **errp)
 
 DeviceState *i2c_create_slave(I2CBus *bus, const char *name, uint8_t addr)
 {
-    DeviceState *dev;
+    I2CSlave *dev = i2c_slave_new(name, addr);
 
-    dev = i2c_try_create_slave(name, addr);
-    i2c_realize_and_unref(dev, bus, &error_fatal);
+    i2c_realize_and_unref(DEVICE(dev), bus, &error_fatal);
 
-    return dev;
+    return DEVICE(dev);
 }
 
 static void i2c_slave_class_init(ObjectClass *klass, void *data)