NFC: hci: delete unused nfc_llc_get_rx_head_tail_room()

It used to be EXPORTed, but then EXPORT usage was cleaned up
(in 2012), without noticing that the function has no users at all
(and curiously, never had any users).

Delete it.

While at it, remove non-static "inline" hints on nearby functions:
these hints don't work across compilation units anyway,
and these functions are not used in their .c file, thus they are
never inlined. IOW: "inline" here does not help in any way.

Signed-off-by: Denys Vlasenko <[e-mail]>
CC: Samuel Ortiz <[e-mail]>
CC: Christophe Ricard <[e-mail]>
CC: [e-mail]
CC: [e-mail]
Signed-off-by: Samuel Ortiz <[e-mail]>

include/net/nfc/llc.h

···
 				 int tx_tailroom, llc_failure_t llc_failure);
 void nfc_llc_free(struct nfc_llc *llc);
 
-void nfc_llc_get_rx_head_tail_room(struct nfc_llc *llc, int *rx_headroom,
-				   int *rx_tailroom);
-
-
 int nfc_llc_start(struct nfc_llc *llc);
 int nfc_llc_stop(struct nfc_llc *llc);
 void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb);

net/nfc/hci/llc.c

···
 	kfree(llc);
 }
 
-inline void nfc_llc_get_rx_head_tail_room(struct nfc_llc *llc, int *rx_headroom,
-					  int *rx_tailroom)
-{
-	*rx_headroom = llc->rx_headroom;
-	*rx_tailroom = llc->rx_tailroom;
-}
-
-inline int nfc_llc_start(struct nfc_llc *llc)
+int nfc_llc_start(struct nfc_llc *llc)
 {
 	return llc->ops->start(llc);
 }
 EXPORT_SYMBOL(nfc_llc_start);
 
-inline int nfc_llc_stop(struct nfc_llc *llc)
+int nfc_llc_stop(struct nfc_llc *llc)
 {
 	return llc->ops->stop(llc);
 }
 EXPORT_SYMBOL(nfc_llc_stop);
 
-inline void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb)
+void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb)
 {
 	llc->ops->rcv_from_drv(llc, skb);
 }
 
-inline int nfc_llc_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb)
+int nfc_llc_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb)
 {
 	return llc->ops->xmit_from_hci(llc, skb);
 }
 
-inline void *nfc_llc_get_data(struct nfc_llc *llc)
+void *nfc_llc_get_data(struct nfc_llc *llc)
 {
 	return llc->data;
 }