HID: API - fix leftovers of hidinput API in USB HID

hidinput_{open,close}() functions do not belong to usbhid, but
to the generic HID layer. Move them, and fix hooks in struct
hid_device, so that now the callbacks are done to transport-specific
_open() functions, but not input_open() functions.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-input.c

@@ -805,6 +805,18 @@ int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int
 }
 EXPORT_SYMBOL_GPL(hidinput_find_field);
 
+static int hidinput_open(struct input_dev *dev)
+{
+	struct hid_device *hid = dev->private;
+	return hid->hid_open(hid);
+}
+
+static void hidinput_close(struct input_dev *dev)
+{
+	struct hid_device *hid = dev->private;
+	hid->hid_close(hid);
+}
+
 /*
  * Register the input device; print a message.
  * Configure the input layer interface
@@ -851,8 +863,8 @@ int hidinput_connect(struct hid_device *hid)
 
 				input_dev->private = hid;
 				input_dev->event = hid->hidinput_input_event;
-				input_dev->open = hid->hidinput_open;
-				input_dev->close = hid->hidinput_close;
+				input_dev->open = hidinput_open;
+				input_dev->close = hidinput_close;
 
 				input_dev->name = hid->name;
 				input_dev->phys = hid->phys;

drivers/usb/input/hid-core.c

@@ -529,18 +529,6 @@ void usbhid_close(struct hid_device *hid)
 		usb_kill_urb(usbhid->urbin);
 }
 
-static int hidinput_open(struct input_dev *dev)
-{
-	struct hid_device *hid = dev->private;
-	return usbhid_open(hid);
-}
-
-static void hidinput_close(struct input_dev *dev)
-{
-	struct hid_device *hid = dev->private;
-	usbhid_close(hid);
-}
-
 #define USB_VENDOR_ID_PANJIT		0x134c
 
 #define USB_VENDOR_ID_TURBOX		0x062a
@@ -1241,8 +1229,8 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
 	usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma;
 	usbhid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
 	hid->hidinput_input_event = usb_hidinput_input_event;
-	hid->hidinput_open = hidinput_open;
-	hid->hidinput_close = hidinput_close;
+	hid->hid_open = usbhid_open;
+	hid->hid_close = usbhid_close;
 #ifdef CONFIG_USB_HIDDEV
 	hid->hiddev_hid_event = hiddev_hid_event;
 	hid->hiddev_report_event = hiddev_report_event;

include/linux/hid.h

@@ -431,8 +431,8 @@ struct hid_device {							/* device report descriptor */
 
 	/* device-specific function pointers */
 	int (*hidinput_input_event) (struct input_dev *, unsigned int, unsigned int, int);
-	int (*hidinput_open) (struct input_dev *);
-	void (*hidinput_close) (struct input_dev *);
+	int (*hid_open) (struct hid_device *);
+	void (*hid_close) (struct hid_device *);
 
 	/* hiddev event handler */
 	void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field,