Adding upstream version 6.7.12.upstream/6.7.12

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 18 insertions, 1051 deletions

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 656f49b299..ab5a9d42fa 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -39,8 +39,6 @@
 #include <net/bluetooth/l2cap.h>
 
 #include "smp.h"
-#include "a2mp.h"
-#include "amp.h"
 
 #define LE_FLOWCTL_MAX_CREDITS 65535
 
@@ -167,24 +165,6 @@ static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn,
 	return NULL;
 }
 
-static struct l2cap_chan *l2cap_get_chan_by_ident(struct l2cap_conn *conn,
-						  u8 ident)
-{
-	struct l2cap_chan *c;
-
-	mutex_lock(&conn->chan_lock);
-	c = __l2cap_get_chan_by_ident(conn, ident);
-	if (c) {
-		/* Only lock if chan reference is not 0 */
-		c = l2cap_chan_hold_unless_zero(c);
-		if (c)
-			l2cap_chan_lock(c);
-	}
-	mutex_unlock(&conn->chan_lock);
-
-	return c;
-}
-
 static struct l2cap_chan *__l2cap_global_chan_by_addr(__le16 psm, bdaddr_t *src,
 						      u8 src_type)
 {
@@ -651,7 +631,6 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
 	chan->ops->teardown(chan, err);
 
 	if (conn) {
-		struct amp_mgr *mgr = conn->hcon->amp_mgr;
 		/* Delete from channel list */
 		list_del(&chan->list);
 
@@ -666,16 +645,6 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
 		if (chan->chan_type != L2CAP_CHAN_FIXED ||
 		    test_bit(FLAG_HOLD_HCI_CONN, &chan->flags))
 			hci_conn_drop(conn->hcon);
-
-		if (mgr && mgr->bredr_chan == chan)
-			mgr->bredr_chan = NULL;
-	}
-
-	if (chan->hs_hchan) {
-		struct hci_chan *hs_hchan = chan->hs_hchan;
-
-		BT_DBG("chan %p disconnect hs_hchan %p", chan, hs_hchan);
-		amp_disconnect_logical_link(hs_hchan);
 	}
 
 	if (test_bit(CONF_NOT_COMPLETE, &chan->conf_state))
@@ -977,12 +946,6 @@ static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len,
 	hci_send_acl(conn->hchan, skb, flags);
 }
 
-static bool __chan_is_moving(struct l2cap_chan *chan)
-{
-	return chan->move_state != L2CAP_MOVE_STABLE &&
-	       chan->move_state != L2CAP_MOVE_WAIT_PREPARE;
-}
-
 static void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb)
 {
 	struct hci_conn *hcon = chan->conn->hcon;
@@ -991,15 +954,6 @@ static void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb)
 	BT_DBG("chan %p, skb %p len %d priority %u", chan, skb, skb->len,
 	       skb->priority);
 
-	if (chan->hs_hcon && !__chan_is_moving(chan)) {
-		if (chan->hs_hchan)
-			hci_send_acl(chan->hs_hchan, skb, ACL_COMPLETE);
-		else
-			kfree_skb(skb);
-
-		return;
-	}
-
 	/* Use NO_FLUSH for LE links (where this is the only option) or
 	 * if the BR/EDR link supports it and flushing has not been
 	 * explicitly requested (through FLAG_FLUSHABLE).
@@ -1180,9 +1134,6 @@ static void l2cap_send_sframe(struct l2cap_chan *chan,
 	if (!control->sframe)
 		return;
 
-	if (__chan_is_moving(chan))
-		return;
-
 	if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state) &&
 	    !control->poll)
 		control->final = 1;
@@ -1237,40 +1188,6 @@ static inline int __l2cap_no_conn_pending(struct l2cap_chan *chan)
 	return !test_bit(CONF_CONNECT_PEND, &chan->conf_state);
 }
 
-static bool __amp_capable(struct l2cap_chan *chan)
-{
-	struct l2cap_conn *conn = chan->conn;
-	struct hci_dev *hdev;
-	bool amp_available = false;
-
-	if (!(conn->local_fixed_chan & L2CAP_FC_A2MP))
-		return false;
-
-	if (!(conn->remote_fixed_chan & L2CAP_FC_A2MP))
-		return false;
-
-	read_lock(&hci_dev_list_lock);
-	list_for_each_entry(hdev, &hci_dev_list, list) {
-		if (hdev->amp_type != AMP_TYPE_BREDR &&
-		    test_bit(HCI_UP, &hdev->flags)) {
-			amp_available = true;
-			break;
-		}
-	}
-	read_unlock(&hci_dev_list_lock);
-
-	if (chan->chan_policy == BT_CHANNEL_POLICY_AMP_PREFERRED)
-		return amp_available;
-
-	return false;
-}
-
-static bool l2cap_check_efs(struct l2cap_chan *chan)
-{
-	/* Check EFS parameters */
-	return true;
-}
-
 void l2cap_send_conn_req(struct l2cap_chan *chan)
 {
 	struct l2cap_conn *conn = chan->conn;
@@ -1286,76 +1203,6 @@ void l2cap_send_conn_req(struct l2cap_chan *chan)
 	l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_REQ, sizeof(req), &req);
 }
 
-static void l2cap_send_create_chan_req(struct l2cap_chan *chan, u8 amp_id)
-{
-	struct l2cap_create_chan_req req;
-	req.scid = cpu_to_le16(chan->scid);
-	req.psm  = chan->psm;
-	req.amp_id = amp_id;
-
-	chan->ident = l2cap_get_ident(chan->conn);
-
-	l2cap_send_cmd(chan->conn, chan->ident, L2CAP_CREATE_CHAN_REQ,
-		       sizeof(req), &req);
-}
-
-static void l2cap_move_setup(struct l2cap_chan *chan)
-{
-	struct sk_buff *skb;
-
-	BT_DBG("chan %p", chan);
-
-	if (chan->mode != L2CAP_MODE_ERTM)
-		return;
-
-	__clear_retrans_timer(chan);
-	__clear_monitor_timer(chan);
-	__clear_ack_timer(chan);
-
-	chan->retry_count = 0;
-	skb_queue_walk(&chan->tx_q, skb) {
-		if (bt_cb(skb)->l2cap.retries)
-			bt_cb(skb)->l2cap.retries = 1;
-		else
-			break;
-	}
-
-	chan->expected_tx_seq = chan->buffer_seq;
-
-	clear_bit(CONN_REJ_ACT, &chan->conn_state);
-	clear_bit(CONN_SREJ_ACT, &chan->conn_state);
-	l2cap_seq_list_clear(&chan->retrans_list);
-	l2cap_seq_list_clear(&chan->srej_list);
-	skb_queue_purge(&chan->srej_q);
-
-	chan->tx_state = L2CAP_TX_STATE_XMIT;
-	chan->rx_state = L2CAP_RX_STATE_MOVE;
-
-	set_bit(CONN_REMOTE_BUSY, &chan->conn_state);
-}
-
-static void l2cap_move_done(struct l2cap_chan *chan)
-{
-	u8 move_role = chan->move_role;
-	BT_DBG("chan %p", chan);
-
-	chan->move_state = L2CAP_MOVE_STABLE;
-	chan->move_role = L2CAP_MOVE_ROLE_NONE;
-
-	if (chan->mode != L2CAP_MODE_ERTM)
-		return;
-
-	switch (move_role) {
-	case L2CAP_MOVE_ROLE_INITIATOR:
-		l2cap_tx(chan, NULL, NULL, L2CAP_EV_EXPLICIT_POLL);
-		chan->rx_state = L2CAP_RX_STATE_WAIT_F;
-		break;
-	case L2CAP_MOVE_ROLE_RESPONDER:
-		chan->rx_state = L2CAP_RX_STATE_WAIT_P;
-		break;
-	}
-}
-
 static void l2cap_chan_ready(struct l2cap_chan *chan)
 {
 	/* The channel may have already been flagged as connected in
@@ -1505,10 +1352,7 @@ static void l2cap_le_start(struct l2cap_chan *chan)
 
 static void l2cap_start_connection(struct l2cap_chan *chan)
 {
-	if (__amp_capable(chan)) {
-		BT_DBG("chan %p AMP capable: discover AMPs", chan);
-		a2mp_discover_amp(chan);
-	} else if (chan->conn->hcon->type == LE_LINK) {
+	if (chan->conn->hcon->type == LE_LINK) {
 		l2cap_le_start(chan);
 	} else {
 		l2cap_send_conn_req(chan);
@@ -1611,11 +1455,6 @@ static void l2cap_send_disconn_req(struct l2cap_chan *chan, int err)
 		__clear_ack_timer(chan);
 	}
 
-	if (chan->scid == L2CAP_CID_A2MP) {
-		l2cap_state_change(chan, BT_DISCONN);
-		return;
-	}
-
 	req.dcid = cpu_to_le16(chan->dcid);
 	req.scid = cpu_to_le16(chan->scid);
 	l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_DISCONN_REQ,
@@ -1754,11 +1593,6 @@ static void l2cap_conn_ready(struct l2cap_conn *conn)
 
 		l2cap_chan_lock(chan);
 
-		if (chan->scid == L2CAP_CID_A2MP) {
-			l2cap_chan_unlock(chan);
-			continue;
-		}
-
 		if (hcon->type == LE_LINK) {
 			l2cap_le_start(chan);
 		} else if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
@@ -2067,9 +1901,6 @@ static void l2cap_streaming_send(struct l2cap_chan *chan,
 
 	BT_DBG("chan %p, skbs %p", chan, skbs);
 
-	if (__chan_is_moving(chan))
-		return;
-
 	skb_queue_splice_tail_init(skbs, &chan->tx_q);
 
 	while (!skb_queue_empty(&chan->tx_q)) {
@@ -2112,9 +1943,6 @@ static int l2cap_ertm_send(struct l2cap_chan *chan)
 	if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state))
 		return 0;
 
-	if (__chan_is_moving(chan))
-		return 0;
-
 	while (chan->tx_send_head &&
 	       chan->unacked_frames < chan->remote_tx_win &&
 	       chan->tx_state == L2CAP_TX_STATE_XMIT) {
@@ -2180,9 +2008,6 @@ static void l2cap_ertm_resend(struct l2cap_chan *chan)
 	if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state))
 		return;
 
-	if (__chan_is_moving(chan))
-		return;
-
 	while (chan->retrans_list.head != L2CAP_SEQ_LIST_CLEAR) {
 		seq = l2cap_seq_list_pop(&chan->retrans_list);
 
@@ -2522,8 +2347,7 @@ static int l2cap_segment_sdu(struct l2cap_chan *chan,
 	pdu_len = chan->conn->mtu;
 
 	/* Constrain PDU size for BR/EDR connections */
-	if (!chan->hs_hcon)
-		pdu_len = min_t(size_t, pdu_len, L2CAP_BREDR_MAX_PAYLOAD);
+	pdu_len = min_t(size_t, pdu_len, L2CAP_BREDR_MAX_PAYLOAD);
 
 	/* Adjust for largest possible L2CAP overhead. */
 	if (chan->fcs)
@@ -3287,11 +3111,6 @@ int l2cap_ertm_init(struct l2cap_chan *chan)
 
 	skb_queue_head_init(&chan->tx_q);
 
-	chan->local_amp_id = AMP_ID_BREDR;
-	chan->move_id = AMP_ID_BREDR;
-	chan->move_state = L2CAP_MOVE_STABLE;
-	chan->move_role = L2CAP_MOVE_ROLE_NONE;
-
 	if (chan->mode != L2CAP_MODE_ERTM)
 		return 0;
 
@@ -3326,52 +3145,19 @@ static inline __u8 l2cap_select_mode(__u8 mode, __u16 remote_feat_mask)
 
 static inline bool __l2cap_ews_supported(struct l2cap_conn *conn)
 {
-	return ((conn->local_fixed_chan & L2CAP_FC_A2MP) &&
-		(conn->feat_mask & L2CAP_FEAT_EXT_WINDOW));
+	return (conn->feat_mask & L2CAP_FEAT_EXT_WINDOW);
 }
 
 static inline bool __l2cap_efs_supported(struct l2cap_conn *conn)
 {
-	return ((conn->local_fixed_chan & L2CAP_FC_A2MP) &&
-		(conn->feat_mask & L2CAP_FEAT_EXT_FLOW));
+	return (conn->feat_mask & L2CAP_FEAT_EXT_FLOW);
 }
 
 static void __l2cap_set_ertm_timeouts(struct l2cap_chan *chan,
 				      struct l2cap_conf_rfc *rfc)
 {
-	if (chan->local_amp_id != AMP_ID_BREDR && chan->hs_hcon) {
-		u64 ertm_to = chan->hs_hcon->hdev->amp_be_flush_to;
-
-		/* Class 1 devices have must have ERTM timeouts
-		 * exceeding the Link Supervision Timeout.  The
-		 * default Link Supervision Timeout for AMP
-		 * controllers is 10 seconds.
-		 *
-		 * Class 1 devices use 0xffffffff for their
-		 * best-effort flush timeout, so the clamping logic
-		 * will result in a timeout that meets the above
-		 * requirement.  ERTM timeouts are 16-bit values, so
-		 * the maximum timeout is 65.535 seconds.
-		 */
-
-		/* Convert timeout to milliseconds and round */
-		ertm_to = DIV_ROUND_UP_ULL(ertm_to, 1000);
-
-		/* This is the recommended formula for class 2 devices
-		 * that start ERTM timers when packets are sent to the
-		 * controller.
-		 */
-		ertm_to = 3 * ertm_to + 500;
-
-		if (ertm_to > 0xffff)
-			ertm_to = 0xffff;
-
-		rfc->retrans_timeout = cpu_to_le16((u16) ertm_to);
-		rfc->monitor_timeout = rfc->retrans_timeout;
-	} else {
-		rfc->retrans_timeout = cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
-		rfc->monitor_timeout = cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
-	}
+	rfc->retrans_timeout = cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
+	rfc->monitor_timeout = cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
 }
 
 static inline void l2cap_txwin_setup(struct l2cap_chan *chan)
@@ -3623,13 +3409,7 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
 		case L2CAP_CONF_EWS:
 			if (olen != 2)
 				break;
-			if (!(chan->conn->local_fixed_chan & L2CAP_FC_A2MP))
-				return -ECONNREFUSED;
-			set_bit(FLAG_EXT_CTRL, &chan->flags);
-			set_bit(CONF_EWS_RECV, &chan->conf_state);
-			chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW;
-			chan->remote_tx_win = val;
-			break;
+			return -ECONNREFUSED;
 
 		default:
 			if (hint)
@@ -4027,11 +3807,7 @@ void __l2cap_connect_rsp_defer(struct l2cap_chan *chan)
 	rsp.dcid   = cpu_to_le16(chan->scid);
 	rsp.result = cpu_to_le16(L2CAP_CR_SUCCESS);
 	rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
-
-	if (chan->hs_hcon)
-		rsp_code = L2CAP_CREATE_CHAN_RSP;
-	else
-		rsp_code = L2CAP_CONN_RSP;
+	rsp_code = L2CAP_CONN_RSP;
 
 	BT_DBG("chan %p rsp_code %u", chan, rsp_code);
 
@@ -4190,7 +3966,6 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn,
 	chan->dst_type = bdaddr_dst_type(conn->hcon);
 	chan->psm  = psm;
 	chan->dcid = scid;
-	chan->local_amp_id = amp_id;
 
 	__l2cap_chan_add(conn, chan);
 
@@ -4516,10 +4291,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn,
 		/* check compatibility */
 
 		/* Send rsp for BR/EDR channel */
-		if (!chan->hs_hcon)
-			l2cap_send_efs_conf_rsp(chan, rsp, cmd->ident, flags);
-		else
-			chan->ident = cmd->ident;
+		l2cap_send_efs_conf_rsp(chan, rsp, cmd->ident, flags);
 	}
 
 unlock:
@@ -4571,15 +4343,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn,
 				goto done;
 			}
 
-			if (!chan->hs_hcon) {
-				l2cap_send_efs_conf_rsp(chan, buf, cmd->ident,
-							0);
-			} else {
-				if (l2cap_check_efs(chan)) {
-					amp_create_logical_link(chan);
-					chan->ident = cmd->ident;
-				}
-			}
+			l2cap_send_efs_conf_rsp(chan, buf, cmd->ident, 0);
 		}
 		goto done;
 
@@ -4750,9 +4514,6 @@ static inline int l2cap_information_req(struct l2cap_conn *conn,
 		if (!disable_ertm)
 			feat_mask |= L2CAP_FEAT_ERTM | L2CAP_FEAT_STREAMING
 				| L2CAP_FEAT_FCS;
-		if (conn->local_fixed_chan & L2CAP_FC_A2MP)
-			feat_mask |= L2CAP_FEAT_EXT_FLOW
-				| L2CAP_FEAT_EXT_WINDOW;
 
 		put_unaligned_le32(feat_mask, rsp->data);
 		l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(buf),
@@ -4841,751 +4602,6 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn,
 	return 0;
 }
 
-static int l2cap_create_channel_req(struct l2cap_conn *conn,
-				    struct l2cap_cmd_hdr *cmd,
-				    u16 cmd_len, void *data)
-{
-	struct l2cap_create_chan_req *req = data;
-	struct l2cap_create_chan_rsp rsp;
-	struct l2cap_chan *chan;
-	struct hci_dev *hdev;
-	u16 psm, scid;
-
-	if (cmd_len != sizeof(*req))
-		return -EPROTO;
-
-	if (!(conn->local_fixed_chan & L2CAP_FC_A2MP))
-		return -EINVAL;
-
-	psm = le16_to_cpu(req->psm);
-	scid = le16_to_cpu(req->scid);
-
-	BT_DBG("psm 0x%2.2x, scid 0x%4.4x, amp_id %d", psm, scid, req->amp_id);
-
-	/* For controller id 0 make BR/EDR connection */
-	if (req->amp_id == AMP_ID_BREDR) {
-		l2cap_connect(conn, cmd, data, L2CAP_CREATE_CHAN_RSP,
-			      req->amp_id);
-		return 0;
-	}
-
-	/* Validate AMP controller id */
-	hdev = hci_dev_get(req->amp_id);
-	if (!hdev)
-		goto error;
-
-	if (hdev->dev_type != HCI_AMP || !test_bit(HCI_UP, &hdev->flags)) {
-		hci_dev_put(hdev);
-		goto error;
-	}
-
-	chan = l2cap_connect(conn, cmd, data, L2CAP_CREATE_CHAN_RSP,
-			     req->amp_id);
-	if (chan) {
-		struct amp_mgr *mgr = conn->hcon->amp_mgr;
-		struct hci_conn *hs_hcon;
-
-		hs_hcon = hci_conn_hash_lookup_ba(hdev, AMP_LINK,
-						  &conn->hcon->dst);
-		if (!hs_hcon) {
-			hci_dev_put(hdev);
-			cmd_reject_invalid_cid(conn, cmd->ident, chan->scid,
-					       chan->dcid);
-			return 0;
-		}
-
-		BT_DBG("mgr %p bredr_chan %p hs_hcon %p", mgr, chan, hs_hcon);
-
-		mgr->bredr_chan = chan;
-		chan->hs_hcon = hs_hcon;
-		chan->fcs = L2CAP_FCS_NONE;
-		conn->mtu = hdev->block_mtu;
-	}
-
-	hci_dev_put(hdev);
-
-	return 0;
-
-error:
-	rsp.dcid = 0;
-	rsp.scid = cpu_to_le16(scid);
-	rsp.result = cpu_to_le16(L2CAP_CR_BAD_AMP);
-	rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
-
-	l2cap_send_cmd(conn, cmd->ident, L2CAP_CREATE_CHAN_RSP,
-		       sizeof(rsp), &rsp);
-
-	return 0;
-}
-
-static void l2cap_send_move_chan_req(struct l2cap_chan *chan, u8 dest_amp_id)
-{
-	struct l2cap_move_chan_req req;
-	u8 ident;
-
-	BT_DBG("chan %p, dest_amp_id %d", chan, dest_amp_id);
-
-	ident = l2cap_get_ident(chan->conn);
-	chan->ident = ident;
-
-	req.icid = cpu_to_le16(chan->scid);
-	req.dest_amp_id = dest_amp_id;
-
-	l2cap_send_cmd(chan->conn, ident, L2CAP_MOVE_CHAN_REQ, sizeof(req),
-		       &req);
-
-	__set_chan_timer(chan, L2CAP_MOVE_TIMEOUT);
-}
-
-static void l2cap_send_move_chan_rsp(struct l2cap_chan *chan, u16 result)
-{
-	struct l2cap_move_chan_rsp rsp;
-
-	BT_DBG("chan %p, result 0x%4.4x", chan, result);
-
-	rsp.icid = cpu_to_le16(chan->dcid);
-	rsp.result = cpu_to_le16(result);
-
-	l2cap_send_cmd(chan->conn, chan->ident, L2CAP_MOVE_CHAN_RSP,
-		       sizeof(rsp), &rsp);
-}
-
-static void l2cap_send_move_chan_cfm(struct l2cap_chan *chan, u16 result)
-{
-	struct l2cap_move_chan_cfm cfm;
-
-	BT_DBG("chan %p, result 0x%4.4x", chan, result);
-
-	chan->ident = l2cap_get_ident(chan->conn);
-
-	cfm.icid = cpu_to_le16(chan->scid);
-	cfm.result = cpu_to_le16(result);
-
-	l2cap_send_cmd(chan->conn, chan->ident, L2CAP_MOVE_CHAN_CFM,
-		       sizeof(cfm), &cfm);
-
-	__set_chan_timer(chan, L2CAP_MOVE_TIMEOUT);
-}
-
-static void l2cap_send_move_chan_cfm_icid(struct l2cap_conn *conn, u16 icid)
-{
-	struct l2cap_move_chan_cfm cfm;
-
-	BT_DBG("conn %p, icid 0x%4.4x", conn, icid);
-
-	cfm.icid = cpu_to_le16(icid);
-	cfm.result = cpu_to_le16(L2CAP_MC_UNCONFIRMED);
-
-	l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_MOVE_CHAN_CFM,
-		       sizeof(cfm), &cfm);
-}
-
-static void l2cap_send_move_chan_cfm_rsp(struct l2cap_conn *conn, u8 ident,
-					 u16 icid)
-{
-	struct l2cap_move_chan_cfm_rsp rsp;
-
-	BT_DBG("icid 0x%4.4x", icid);
-
-	rsp.icid = cpu_to_le16(icid);
-	l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_CFM_RSP, sizeof(rsp), &rsp);
-}
-
-static void __release_logical_link(struct l2cap_chan *chan)
-{
-	chan->hs_hchan = NULL;
-	chan->hs_hcon = NULL;
-
-	/* Placeholder - release the logical link */
-}
-
-static void l2cap_logical_fail(struct l2cap_chan *chan)
-{
-	/* Logical link setup failed */
-	if (chan->state != BT_CONNECTED) {
-		/* Create channel failure, disconnect */
-		l2cap_send_disconn_req(chan, ECONNRESET);
-		return;
-	}
-
-	switch (chan->move_role) {
-	case L2CAP_MOVE_ROLE_RESPONDER:
-		l2cap_move_done(chan);
-		l2cap_send_move_chan_rsp(chan, L2CAP_MR_NOT_SUPP);
-		break;
-	case L2CAP_MOVE_ROLE_INITIATOR:
-		if (chan->move_state == L2CAP_MOVE_WAIT_LOGICAL_COMP ||
-		    chan->move_state == L2CAP_MOVE_WAIT_LOGICAL_CFM) {
-			/* Remote has only sent pending or
-			 * success responses, clean up
-			 */
-			l2cap_move_done(chan);
-		}
-
-		/* Other amp move states imply that the move
-		 * has already aborted
-		 */
-		l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED);
-		break;
-	}
-}
-
-static void l2cap_logical_finish_create(struct l2cap_chan *chan,
-					struct hci_chan *hchan)
-{
-	struct l2cap_conf_rsp rsp;
-
-	chan->hs_hchan = hchan;
-	chan->hs_hcon->l2cap_data = chan->conn;
-
-	l2cap_send_efs_conf_rsp(chan, &rsp, chan->ident, 0);
-
-	if (test_bit(CONF_INPUT_DONE, &chan->conf_state)) {
-		int err;
-
-		set_default_fcs(chan);
-
-		err = l2cap_ertm_init(chan);
-		if (err < 0)
-			l2cap_send_disconn_req(chan, -err);
-		else
-			l2cap_chan_ready(chan);
-	}
-}
-
-static void l2cap_logical_finish_move(struct l2cap_chan *chan,
-				      struct hci_chan *hchan)
-{
-	chan->hs_hcon = hchan->conn;
-	chan->hs_hcon->l2cap_data = chan->conn;
-
-	BT_DBG("move_state %d", chan->move_state);
-
-	switch (chan->move_state) {
-	case L2CAP_MOVE_WAIT_LOGICAL_COMP:
-		/* Move confirm will be sent after a success
-		 * response is received
-		 */
-		chan->move_state = L2CAP_MOVE_WAIT_RSP_SUCCESS;
-		break;
-	case L2CAP_MOVE_WAIT_LOGICAL_CFM:
-		if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
-			chan->move_state = L2CAP_MOVE_WAIT_LOCAL_BUSY;
-		} else if (chan->move_role == L2CAP_MOVE_ROLE_INITIATOR) {
-			chan->move_state = L2CAP_MOVE_WAIT_CONFIRM_RSP;
-			l2cap_send_move_chan_cfm(chan, L2CAP_MC_CONFIRMED);
-		} else if (chan->move_role == L2CAP_MOVE_ROLE_RESPONDER) {
-			chan->move_state = L2CAP_MOVE_WAIT_CONFIRM;
-			l2cap_send_move_chan_rsp(chan, L2CAP_MR_SUCCESS);
-		}
-		break;
-	default:
-		/* Move was not in expected state, free the channel */
-		__release_logical_link(chan);
-
-		chan->move_state = L2CAP_MOVE_STABLE;
-	}
-}
-
-/* Call with chan locked */
-void l2cap_logical_cfm(struct l2cap_chan *chan, struct hci_chan *hchan,
-		       u8 status)
-{
-	BT_DBG("chan %p, hchan %p, status %d", chan, hchan, status);
-
-	if (status) {
-		l2cap_logical_fail(chan);
-		__release_logical_link(chan);
-		return;
-	}
-
-	if (chan->state != BT_CONNECTED) {
-		/* Ignore logical link if channel is on BR/EDR */
-		if (chan->local_amp_id != AMP_ID_BREDR)
-			l2cap_logical_finish_create(chan, hchan);
-	} else {
-		l2cap_logical_finish_move(chan, hchan);
-	}
-}
-
-void l2cap_move_start(struct l2cap_chan *chan)
-{
-	BT_DBG("chan %p", chan);
-
-	if (chan->local_amp_id == AMP_ID_BREDR) {
-		if (chan->chan_policy != BT_CHANNEL_POLICY_AMP_PREFERRED)
-			return;
-		chan->move_role = L2CAP_MOVE_ROLE_INITIATOR;
-		chan->move_state = L2CAP_MOVE_WAIT_PREPARE;
-		/* Placeholder - start physical link setup */
-	} else {
-		chan->move_role = L2CAP_MOVE_ROLE_INITIATOR;
-		chan->move_state = L2CAP_MOVE_WAIT_RSP_SUCCESS;
-		chan->move_id = 0;
-		l2cap_move_setup(chan);
-		l2cap_send_move_chan_req(chan, 0);
-	}
-}
-
-static void l2cap_do_create(struct l2cap_chan *chan, int result,
-			    u8 local_amp_id, u8 remote_amp_id)
-{
-	BT_DBG("chan %p state %s %u -> %u", chan, state_to_string(chan->state),
-	       local_amp_id, remote_amp_id);
-
-	chan->fcs = L2CAP_FCS_NONE;
-
-	/* Outgoing channel on AMP */
-	if (chan->state == BT_CONNECT) {
-		if (result == L2CAP_CR_SUCCESS) {
-			chan->local_amp_id = local_amp_id;
-			l2cap_send_create_chan_req(chan, remote_amp_id);
-		} else {
-			/* Revert to BR/EDR connect */
-			l2cap_send_conn_req(chan);
-		}
-
-		return;
-	}
-
-	/* Incoming channel on AMP */
-	if (__l2cap_no_conn_pending(chan)) {
-		struct l2cap_conn_rsp rsp;
-		char buf[128];
-		rsp.scid = cpu_to_le16(chan->dcid);
-		rsp.dcid = cpu_to_le16(chan->scid);
-
-		if (result == L2CAP_CR_SUCCESS) {
-			/* Send successful response */
-			rsp.result = cpu_to_le16(L2CAP_CR_SUCCESS);
-			rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
-		} else {
-			/* Send negative response */
-			rsp.result = cpu_to_le16(L2CAP_CR_NO_MEM);
-			rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
-		}
-
-		l2cap_send_cmd(chan->conn, chan->ident, L2CAP_CREATE_CHAN_RSP,
-			       sizeof(rsp), &rsp);
-
-		if (result == L2CAP_CR_SUCCESS) {
-			l2cap_state_change(chan, BT_CONFIG);
-			set_bit(CONF_REQ_SENT, &chan->conf_state);
-			l2cap_send_cmd(chan->conn, l2cap_get_ident(chan->conn),
-				       L2CAP_CONF_REQ,
-				       l2cap_build_conf_req(chan, buf, sizeof(buf)), buf);
-			chan->num_conf_req++;
-		}
-	}
-}
-
-static void l2cap_do_move_initiate(struct l2cap_chan *chan, u8 local_amp_id,
-				   u8 remote_amp_id)
-{
-	l2cap_move_setup(chan);
-	chan->move_id = local_amp_id;
-	chan->move_state = L2CAP_MOVE_WAIT_RSP;
-
-	l2cap_send_move_chan_req(chan, remote_amp_id);
-}
-
-static void l2cap_do_move_respond(struct l2cap_chan *chan, int result)
-{
-	struct hci_chan *hchan = NULL;
-
-	/* Placeholder - get hci_chan for logical link */
-
-	if (hchan) {
-		if (hchan->state == BT_CONNECTED) {
-			/* Logical link is ready to go */
-			chan->hs_hcon = hchan->conn;
-			chan->hs_hcon->l2cap_data = chan->conn;
-			chan->move_state = L2CAP_MOVE_WAIT_CONFIRM;
-			l2cap_send_move_chan_rsp(chan, L2CAP_MR_SUCCESS);
-
-			l2cap_logical_cfm(chan, hchan, L2CAP_MR_SUCCESS);
-		} else {
-			/* Wait for logical link to be ready */
-			chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_CFM;
-		}
-	} else {
-		/* Logical link not available */
-		l2cap_send_move_chan_rsp(chan, L2CAP_MR_NOT_ALLOWED);
-	}
-}
-
-static void l2cap_do_move_cancel(struct l2cap_chan *chan, int result)
-{
-	if (chan->move_role == L2CAP_MOVE_ROLE_RESPONDER) {
-		u8 rsp_result;
-		if (result == -EINVAL)
-			rsp_result = L2CAP_MR_BAD_ID;
-		else
-			rsp_result = L2CAP_MR_NOT_ALLOWED;
-
-		l2cap_send_move_chan_rsp(chan, rsp_result);
-	}
-
-	chan->move_role = L2CAP_MOVE_ROLE_NONE;
-	chan->move_state = L2CAP_MOVE_STABLE;
-
-	/* Restart data transmission */
-	l2cap_ertm_send(chan);
-}
-
-/* Invoke with locked chan */
-void __l2cap_physical_cfm(struct l2cap_chan *chan, int result)
-{
-	u8 local_amp_id = chan->local_amp_id;
-	u8 remote_amp_id = chan->remote_amp_id;
-
-	BT_DBG("chan %p, result %d, local_amp_id %d, remote_amp_id %d",
-	       chan, result, local_amp_id, remote_amp_id);
-
-	if (chan->state == BT_DISCONN || chan->state == BT_CLOSED)
-		return;
-
-	if (chan->state != BT_CONNECTED) {
-		l2cap_do_create(chan, result, local_amp_id, remote_amp_id);
-	} else if (result != L2CAP_MR_SUCCESS) {
-		l2cap_do_move_cancel(chan, result);
-	} else {
-		switch (chan->move_role) {
-		case L2CAP_MOVE_ROLE_INITIATOR:
-			l2cap_do_move_initiate(chan, local_amp_id,
-					       remote_amp_id);
-			break;
-		case L2CAP_MOVE_ROLE_RESPONDER:
-			l2cap_do_move_respond(chan, result);
-			break;
-		default:
-			l2cap_do_move_cancel(chan, result);
-			break;
-		}
-	}
-}
-
-static inline int l2cap_move_channel_req(struct l2cap_conn *conn,
-					 struct l2cap_cmd_hdr *cmd,
-					 u16 cmd_len, void *data)
-{
-	struct l2cap_move_chan_req *req = data;
-	struct l2cap_move_chan_rsp rsp;
-	struct l2cap_chan *chan;
-	u16 icid = 0;
-	u16 result = L2CAP_MR_NOT_ALLOWED;
-
-	if (cmd_len != sizeof(*req))
-		return -EPROTO;
-
-	icid = le16_to_cpu(req->icid);
-
-	BT_DBG("icid 0x%4.4x, dest_amp_id %d", icid, req->dest_amp_id);
-
-	if (!(conn->local_fixed_chan & L2CAP_FC_A2MP))
-		return -EINVAL;
-
-	chan = l2cap_get_chan_by_dcid(conn, icid);
-	if (!chan) {
-		rsp.icid = cpu_to_le16(icid);
-		rsp.result = cpu_to_le16(L2CAP_MR_NOT_ALLOWED);
-		l2cap_send_cmd(conn, cmd->ident, L2CAP_MOVE_CHAN_RSP,
-			       sizeof(rsp), &rsp);
-		return 0;
-	}
-
-	chan->ident = cmd->ident;
-
-	if (chan->scid < L2CAP_CID_DYN_START ||
-	    chan->chan_policy == BT_CHANNEL_POLICY_BREDR_ONLY ||
-	    (chan->mode != L2CAP_MODE_ERTM &&
-	     chan->mode != L2CAP_MODE_STREAMING)) {
-		result = L2CAP_MR_NOT_ALLOWED;
-		goto send_move_response;
-	}
-
-	if (chan->local_amp_id == req->dest_amp_id) {
-		result = L2CAP_MR_SAME_ID;
-		goto send_move_response;
-	}
-
-	if (req->dest_amp_id != AMP_ID_BREDR) {
-		struct hci_dev *hdev;
-		hdev = hci_dev_get(req->dest_amp_id);
-		if (!hdev || hdev->dev_type != HCI_AMP ||
-		    !test_bit(HCI_UP, &hdev->flags)) {
-			if (hdev)
-				hci_dev_put(hdev);
-
-			result = L2CAP_MR_BAD_ID;
-			goto send_move_response;
-		}
-		hci_dev_put(hdev);
-	}
-
-	/* Detect a move collision.  Only send a collision response
-	 * if this side has "lost", otherwise proceed with the move.
-	 * The winner has the larger bd_addr.
-	 */
-	if ((__chan_is_moving(chan) ||
-	     chan->move_role != L2CAP_MOVE_ROLE_NONE) &&
-	    bacmp(&conn->hcon->src, &conn->hcon->dst) > 0) {
-		result = L2CAP_MR_COLLISION;
-		goto send_move_response;
-	}
-
-	chan->move_role = L2CAP_MOVE_ROLE_RESPONDER;
-	l2cap_move_setup(chan);
-	chan->move_id = req->dest_amp_id;
-
-	if (req->dest_amp_id == AMP_ID_BREDR) {
-		/* Moving to BR/EDR */
-		if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
-			chan->move_state = L2CAP_MOVE_WAIT_LOCAL_BUSY;
-			result = L2CAP_MR_PEND;
-		} else {
-			chan->move_state = L2CAP_MOVE_WAIT_CONFIRM;
-			result = L2CAP_MR_SUCCESS;
-		}
-	} else {
-		chan->move_state = L2CAP_MOVE_WAIT_PREPARE;
-		/* Placeholder - uncomment when amp functions are available */
-		/*amp_accept_physical(chan, req->dest_amp_id);*/
-		result = L2CAP_MR_PEND;
-	}
-
-send_move_response:
-	l2cap_send_move_chan_rsp(chan, result);
-
-	l2cap_chan_unlock(chan);
-	l2cap_chan_put(chan);
-
-	return 0;
-}
-
-static void l2cap_move_continue(struct l2cap_conn *conn, u16 icid, u16 result)
-{
-	struct l2cap_chan *chan;
-	struct hci_chan *hchan = NULL;
-
-	chan = l2cap_get_chan_by_scid(conn, icid);
-	if (!chan) {
-		l2cap_send_move_chan_cfm_icid(conn, icid);
-		return;
-	}
-
-	__clear_chan_timer(chan);
-	if (result == L2CAP_MR_PEND)
-		__set_chan_timer(chan, L2CAP_MOVE_ERTX_TIMEOUT);
-
-	switch (chan->move_state) {
-	case L2CAP_MOVE_WAIT_LOGICAL_COMP:
-		/* Move confirm will be sent when logical link
-		 * is complete.
-		 */
-		chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_CFM;
-		break;
-	case L2CAP_MOVE_WAIT_RSP_SUCCESS:
-		if (result == L2CAP_MR_PEND) {
-			break;
-		} else if (test_bit(CONN_LOCAL_BUSY,
-				    &chan->conn_state)) {
-			chan->move_state = L2CAP_MOVE_WAIT_LOCAL_BUSY;
-		} else {
-			/* Logical link is up or moving to BR/EDR,
-			 * proceed with move
-			 */
-			chan->move_state = L2CAP_MOVE_WAIT_CONFIRM_RSP;
-			l2cap_send_move_chan_cfm(chan, L2CAP_MC_CONFIRMED);
-		}
-		break;
-	case L2CAP_MOVE_WAIT_RSP:
-		/* Moving to AMP */
-		if (result == L2CAP_MR_SUCCESS) {
-			/* Remote is ready, send confirm immediately
-			 * after logical link is ready
-			 */
-			chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_CFM;
-		} else {
-			/* Both logical link and move success
-			 * are required to confirm
-			 */
-			chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_COMP;
-		}
-
-		/* Placeholder - get hci_chan for logical link */
-		if (!hchan) {
-			/* Logical link not available */
-			l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED);
-			break;
-		}
-
-		/* If the logical link is not yet connected, do not
-		 * send confirmation.
-		 */
-		if (hchan->state != BT_CONNECTED)
-			break;
-
-		/* Logical link is already ready to go */
-
-		chan->hs_hcon = hchan->conn;
-		chan->hs_hcon->l2cap_data = chan->conn;
-
-		if (result == L2CAP_MR_SUCCESS) {
-			/* Can confirm now */
-			l2cap_send_move_chan_cfm(chan, L2CAP_MC_CONFIRMED);
-		} else {
-			/* Now only need move success
-			 * to confirm
-			 */
-			chan->move_state = L2CAP_MOVE_WAIT_RSP_SUCCESS;
-		}
-
-		l2cap_logical_cfm(chan, hchan, L2CAP_MR_SUCCESS);
-		break;
-	default:
-		/* Any other amp move state means the move failed. */
-		chan->move_id = chan->local_amp_id;
-		l2cap_move_done(chan);
-		l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED);
-	}
-
-	l2cap_chan_unlock(chan);
-	l2cap_chan_put(chan);
-}
-
-static void l2cap_move_fail(struct l2cap_conn *conn, u8 ident, u16 icid,
-			    u16 result)
-{
-	struct l2cap_chan *chan;
-
-	chan = l2cap_get_chan_by_ident(conn, ident);
-	if (!chan) {
-		/* Could not locate channel, icid is best guess */
-		l2cap_send_move_chan_cfm_icid(conn, icid);
-		return;
-	}
-
-	__clear_chan_timer(chan);
-
-	if (chan->move_role == L2CAP_MOVE_ROLE_INITIATOR) {
-		if (result == L2CAP_MR_COLLISION) {
-			chan->move_role = L2CAP_MOVE_ROLE_RESPONDER;
-		} else {
-			/* Cleanup - cancel move */
-			chan->move_id = chan->local_amp_id;
-			l2cap_move_done(chan);
-		}
-	}
-
-	l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED);
-
-	l2cap_chan_unlock(chan);
-	l2cap_chan_put(chan);
-}
-
-static int l2cap_move_channel_rsp(struct l2cap_conn *conn,
-				  struct l2cap_cmd_hdr *cmd,
-				  u16 cmd_len, void *data)
-{
-	struct l2cap_move_chan_rsp *rsp = data;
-	u16 icid, result;
-
-	if (cmd_len != sizeof(*rsp))
-		return -EPROTO;
-
-	icid = le16_to_cpu(rsp->icid);
-	result = le16_to_cpu(rsp->result);
-
-	BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result);
-
-	if (result == L2CAP_MR_SUCCESS || result == L2CAP_MR_PEND)
-		l2cap_move_continue(conn, icid, result);
-	else
-		l2cap_move_fail(conn, cmd->ident, icid, result);
-
-	return 0;
-}
-
-static int l2cap_move_channel_confirm(struct l2cap_conn *conn,
-				      struct l2cap_cmd_hdr *cmd,
-				      u16 cmd_len, void *data)
-{
-	struct l2cap_move_chan_cfm *cfm = data;
-	struct l2cap_chan *chan;
-	u16 icid, result;
-
-	if (cmd_len != sizeof(*cfm))
-		return -EPROTO;
-
-	icid = le16_to_cpu(cfm->icid);
-	result = le16_to_cpu(cfm->result);
-
-	BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result);
-
-	chan = l2cap_get_chan_by_dcid(conn, icid);
-	if (!chan) {
-		/* Spec requires a response even if the icid was not found */
-		l2cap_send_move_chan_cfm_rsp(conn, cmd->ident, icid);
-		return 0;
-	}
-
-	if (chan->move_state == L2CAP_MOVE_WAIT_CONFIRM) {
-		if (result == L2CAP_MC_CONFIRMED) {
-			chan->local_amp_id = chan->move_id;
-			if (chan->local_amp_id == AMP_ID_BREDR)
-				__release_logical_link(chan);
-		} else {
-			chan->move_id = chan->local_amp_id;
-		}
-
-		l2cap_move_done(chan);
-	}
-
-	l2cap_send_move_chan_cfm_rsp(conn, cmd->ident, icid);
-
-	l2cap_chan_unlock(chan);
-	l2cap_chan_put(chan);
-
-	return 0;
-}
-
-static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn,
-						 struct l2cap_cmd_hdr *cmd,
-						 u16 cmd_len, void *data)
-{
-	struct l2cap_move_chan_cfm_rsp *rsp = data;
-	struct l2cap_chan *chan;
-	u16 icid;
-
-	if (cmd_len != sizeof(*rsp))
-		return -EPROTO;
-
-	icid = le16_to_cpu(rsp->icid);
-
-	BT_DBG("icid 0x%4.4x", icid);
-
-	chan = l2cap_get_chan_by_scid(conn, icid);
-	if (!chan)
-		return 0;
-
-	__clear_chan_timer(chan);
-
-	if (chan->move_state == L2CAP_MOVE_WAIT_CONFIRM_RSP) {
-		chan->local_amp_id = chan->move_id;
-
-		if (chan->local_amp_id == AMP_ID_BREDR && chan->hs_hchan)
-			__release_logical_link(chan);
-
-		l2cap_move_done(chan);
-	}
-
-	l2cap_chan_unlock(chan);
-	l2cap_chan_put(chan);
-
-	return 0;
-}
-
 static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
 					      struct l2cap_cmd_hdr *cmd,
 					      u16 cmd_len, u8 *data)
@@ -5745,7 +4761,6 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
 		break;
 
 	case L2CAP_CONN_RSP:
-	case L2CAP_CREATE_CHAN_RSP:
 		l2cap_connect_create_rsp(conn, cmd, cmd_len, data);
 		break;
 
@@ -5780,26 +4795,6 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
 		l2cap_information_rsp(conn, cmd, cmd_len, data);
 		break;
 
-	case L2CAP_CREATE_CHAN_REQ:
-		err = l2cap_create_channel_req(conn, cmd, cmd_len, data);
-		break;
-
-	case L2CAP_MOVE_CHAN_REQ:
-		err = l2cap_move_channel_req(conn, cmd, cmd_len, data);
-		break;
-
-	case L2CAP_MOVE_CHAN_RSP:
-		l2cap_move_channel_rsp(conn, cmd, cmd_len, data);
-		break;
-
-	case L2CAP_MOVE_CHAN_CFM:
-		err = l2cap_move_channel_confirm(conn, cmd, cmd_len, data);
-		break;
-
-	case L2CAP_MOVE_CHAN_CFM_RSP:
-		l2cap_move_channel_confirm_rsp(conn, cmd, cmd_len, data);
-		break;
-
 	default:
 		BT_ERR("Unknown BR/EDR signaling command 0x%2.2x", cmd->code);
 		err = -EINVAL;
@@ -7051,8 +6046,8 @@ static int l2cap_rx_state_recv(struct l2cap_chan *chan,
 		if (control->final) {
 			clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);
 
-			if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state) &&
-			    !__chan_is_moving(chan)) {
+			if (!test_and_clear_bit(CONN_REJ_ACT,
+						&chan->conn_state)) {
 				control->final = 0;
 				l2cap_retransmit_all(chan, control);
 			}
@@ -7245,11 +6240,7 @@ static int l2cap_finish_move(struct l2cap_chan *chan)
 	BT_DBG("chan %p", chan);
 
 	chan->rx_state = L2CAP_RX_STATE_RECV;
-
-	if (chan->hs_hcon)
-		chan->conn->mtu = chan->hs_hcon->hdev->block_mtu;
-	else
-		chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;
+	chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;
 
 	return l2cap_resegment(chan);
 }
@@ -7316,11 +6307,7 @@ static int l2cap_rx_state_wait_f(struct l2cap_chan *chan,
 	 */
 	chan->next_tx_seq = control->reqseq;
 	chan->unacked_frames = 0;
-
-	if (chan->hs_hcon)
-		chan->conn->mtu = chan->hs_hcon->hdev->block_mtu;
-	else
-		chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;
+	chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;
 
 	err = l2cap_resegment(chan);
 
@@ -7672,21 +6659,10 @@ static void l2cap_data_channel(struct l2cap_conn *conn, u16 cid,
 
 	chan = l2cap_get_chan_by_scid(conn, cid);
 	if (!chan) {
-		if (cid == L2CAP_CID_A2MP) {
-			chan = a2mp_channel_create(conn, skb);
-			if (!chan) {
-				kfree_skb(skb);
-				return;
-			}
-
-			l2cap_chan_hold(chan);
-			l2cap_chan_lock(chan);
-		} else {
-			BT_DBG("unknown cid 0x%4.4x", cid);
-			/* Drop packet and return */
-			kfree_skb(skb);
-			return;
-		}
+		BT_DBG("unknown cid 0x%4.4x", cid);
+		/* Drop packet and return */
+		kfree_skb(skb);
+		return;
 	}
 
 	BT_DBG("chan %p, len %d", chan, skb->len);
@@ -7887,10 +6863,6 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon)
 
 	conn->local_fixed_chan = L2CAP_FC_SIG_BREDR | L2CAP_FC_CONNLESS;
 
-	if (hcon->type == ACL_LINK &&
-	    hci_dev_test_flag(hcon->hdev, HCI_HS_ENABLED))
-		conn->local_fixed_chan |= L2CAP_FC_A2MP;
-
 	if (hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED) &&
 	    (bredr_sc_enabled(hcon->hdev) ||
 	     hci_dev_test_flag(hcon->hdev, HCI_FORCE_BREDR_SMP)))
@@ -8355,11 +7327,6 @@ static void l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
 		BT_DBG("chan %p scid 0x%4.4x state %s", chan, chan->scid,
 		       state_to_string(chan->state));
 
-		if (chan->scid == L2CAP_CID_A2MP) {
-			l2cap_chan_unlock(chan);
-			continue;
-		}
-
 		if (!status && encrypt)
 			chan->sec_level = hcon->sec_level;