USB: serial: quatech2: remove unused qt2_setdevice function

clang with W=1 reports
drivers/usb/serial/quatech2.c:179:19: error: unused function
  'qt2_setdevice' [-Werror,-Wunused-function]
static inline int qt2_setdevice(struct usb_device *dev, u8 *data)
                  ^
This function is not used, so remove it.

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20230321181255.1825963-1-trix@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 6fca40a..fee5814 100644 (file)
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -176,14 +176,6 @@ static inline int qt2_control_msg(struct usb_device *dev,
                               NULL, 0, QT2_USB_TIMEOUT);
 }
 
-static inline int qt2_setdevice(struct usb_device *dev, u8 *data)
-{
-       u16 x = ((u16) (data[1] << 8) | (u16) (data[0]));
-
-       return qt2_control_msg(dev, QT_SET_GET_DEVICE, x, 0);
-}
-
-
 static inline int qt2_getregister(struct usb_device *dev,
                                  u8 uart,
                                  u8 reg,