staging: brcm80211: remove unused function from dhd_cdc.c

Working through a list of unused functions in the driver tree.
This file has following redundant function(s):

dhd_proto_fcinfo
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Reviewed-by: Henry Ptasinski <henryp@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/dhd_cdc.c

@@ -345,26 +345,6 @@ void dhd_prot_hdrpush(dhd_pub_t *dhd, int ifidx, struct sk_buff *pktbuf)
 	BDC_SET_IF_IDX(h, ifidx);
 }
 
-bool dhd_proto_fcinfo(dhd_pub_t *dhd, struct sk_buff *pktbuf, u8 * fcbits)
-{
-#ifdef BDC
-	struct bdc_header *h;
-
-	if (pktbuf->len < BDC_HEADER_LEN) {
-		DHD_ERROR(("%s: rx data too short (%d < %d)\n",
-			   __func__, pktbuf->len, BDC_HEADER_LEN));
-		return BCME_ERROR;
-	}
-
-	h = (struct bdc_header *)(pktbuf->data);
-
-	*fcbits = h->priority >> BDC_PRIORITY_FC_SHIFT;
-	if ((h->flags2 & BDC_FLAG2_FC_FLAG) == BDC_FLAG2_FC_FLAG)
-		return true;
-#endif
-	return false;
-}
-
 int dhd_prot_hdrpull(dhd_pub_t *dhd, int *ifidx, struct sk_buff *pktbuf)
 {
 #ifdef BDC

drivers/staging/brcm80211/brcmfmac/dhd_proto.h

@@ -46,9 +46,6 @@ extern int dhd_prot_init(dhd_pub_t *dhdp);
 /* Stop protocol: sync w/dongle state. */
 extern void dhd_prot_stop(dhd_pub_t *dhdp);
 
-extern bool dhd_proto_fcinfo(dhd_pub_t *dhd, struct sk_buff *pktbuf,
-			     u8 *fcbits);
-
 /* Add any protocol-specific data header.
  * Caller must reserve prot_hdrlen prepend space.
  */