FDP_FRAME_TAILROOM   86 drivers/nfc/fdp/i2c.c 	skb_trim(skb, skb->len - FDP_FRAME_TAILROOM);
FDP_FRAME_TAILROOM  339 drivers/nfc/fdp/i2c.c 			  FDP_FRAME_HEADROOM, FDP_FRAME_TAILROOM,