usb-hid: simplify class initialization a bit

We can probably model USBHidDevice as a base class to get even better code
sharing but for now, just use a common function to initialize the common class
members.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/hw/usb-hid.c b/hw/usb-hid.c
index 88fdd35e367c40c739bb432519faf77ef03e310f..4af27a22dd3425afa2b359d724a1aacfdbb68d93 100644 (file)
--- a/hw/usb-hid.c
+++ b/hw/usb-hid.c
@@ -553,13 +553,10 @@ static const VMStateDescription vmstate_usb_kbd = {
     }
 };
 
-static void usb_tablet_class_initfn(ObjectClass *klass, void *data)
+static void usb_hid_class_initfn(ObjectClass *klass, void *data)
 {
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 
-    uc->init           = usb_tablet_initfn;
-    uc->product_desc   = "QEMU USB Tablet";
-    uc->usb_desc       = &desc_tablet;
     uc->handle_packet  = usb_generic_handle_packet;
     uc->handle_reset   = usb_hid_handle_reset;
     uc->handle_control = usb_hid_handle_control;
@@ -567,6 +564,16 @@ static void usb_tablet_class_initfn(ObjectClass *klass, void *data)
     uc->handle_destroy = usb_hid_handle_destroy;
 }
 
+static void usb_tablet_class_initfn(ObjectClass *klass, void *data)
+{
+    USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
+
+    usb_hid_class_initfn(klass, data);
+    uc->init           = usb_tablet_initfn;
+    uc->product_desc   = "QEMU USB Tablet";
+    uc->usb_desc       = &desc_tablet;
+}
+
 static struct DeviceInfo usb_tablet_info = {
     .name      = "usb-tablet",
     .size      = sizeof(USBHIDState),
@@ -578,14 +585,10 @@ static void usb_mouse_class_initfn(ObjectClass *klass, void *data)
 {
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 
+    usb_hid_class_initfn(klass, data);
     uc->init           = usb_mouse_initfn;
     uc->product_desc   = "QEMU USB Mouse";
     uc->usb_desc       = &desc_mouse;
-    uc->handle_packet  = usb_generic_handle_packet;
-    uc->handle_reset   = usb_hid_handle_reset;
-    uc->handle_control = usb_hid_handle_control;
-    uc->handle_data    = usb_hid_handle_data;
-    uc->handle_destroy = usb_hid_handle_destroy;
 }
 
 static struct DeviceInfo usb_mouse_info = {
@@ -599,14 +602,10 @@ static void usb_keyboard_class_initfn(ObjectClass *klass, void *data)
 {
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 
+    usb_hid_class_initfn(klass, data);
     uc->init           = usb_keyboard_initfn;
     uc->product_desc   = "QEMU USB Keyboard";
     uc->usb_desc       = &desc_keyboard;
-    uc->handle_packet  = usb_generic_handle_packet;
-    uc->handle_reset   = usb_hid_handle_reset;
-    uc->handle_control = usb_hid_handle_control;
-    uc->handle_data    = usb_hid_handle_data;
-    uc->handle_destroy = usb_hid_handle_destroy;
 }
 
 static struct DeviceInfo usb_keyboard_info = {