staging: r8188eu: remove unused function usb_endpoint_is_int

The usb_endpoint_is_int is not used and can be removed.

RT_usb_endpoint_xfer_int was used only by usb_endpoint_is_int. Remove this
function as well.

Acked-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210910202151.4007-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/os_dep/usb_intf.c b/drivers/staging/r8188eu/os_dep/usb_intf.c
index da93512..1eef042 100644 (file)
--- a/drivers/staging/r8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/r8188eu/os_dep/usb_intf.c
@@ -83,11 +83,6 @@ static inline int RT_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *
        return (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT;
 }
 
-static inline int RT_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
-{
-       return (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT;
-}
-
 static inline int RT_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
 {
        return (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK;
@@ -103,11 +98,6 @@ static inline int RT_usb_endpoint_is_bulk_out(const struct usb_endpoint_descript
        return RT_usb_endpoint_xfer_bulk(epd) && RT_usb_endpoint_dir_out(epd);
 }
 
-static inline int usb_endpoint_is_int(const struct usb_endpoint_descriptor *epd)
-{
-       return RT_usb_endpoint_xfer_int(epd) && RT_usb_endpoint_dir_in(epd);
-}
-
 static inline int RT_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
 {
        return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;