NFC: pn533: Add MI/TG bits only when in Initiator mode

The fragmentation routine (used to split big frames) could be used in
target or initiator mode (TgSetMetaData vs InDataExchange), but the
MI/TG bytes are not needed in target mode (TgSetMetaData), so we
add a check on the mode
Signed-off-by: NOlivier Guiter <olivier.guiter@linux.intel.com>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>

drivers/nfc/pn533.c

@@ -2504,14 +2504,17 @@ static int pn533_fill_fragment_skbs(struct pn533 *dev, struct sk_buff *skb)
 			break;
 		}
 
+		if (!dev->tgt_mode) {
 			/* Reserve the TG/MI byte */
 			skb_reserve(frag, 1);
 
 			/* MI + TG */
 			if (frag_size  == PN533_CMD_DATAFRAME_MAXLEN)
-			*skb_push(frag, sizeof(u8)) = (PN533_CMD_MI_MASK | 1);
+				*skb_push(frag, sizeof(u8)) =
+							(PN533_CMD_MI_MASK | 1);
 			else
 				*skb_push(frag, sizeof(u8)) =  1; /* TG */
+		}
 
 		memcpy(skb_put(frag, frag_size), skb->data, frag_size);