Bluetooth: controller: removing unused functionality

Removing llcp_tx_flush() as it turns out it is not needed.

Signed-off-by: Erik Brockhoff <[email protected]>

Author: erbr-ot

subsys/bluetooth/controller/ll_sw/ull_llcp.c

@@ -254,11 +254,6 @@ void llcp_tx_resume_data(struct ll_conn *conn, enum llcp_tx_q_pause_data_mask re
 	}
 }
 
-void llcp_tx_flush(struct ll_conn *conn)
-{
-	/* TODO(thoh): do something here to flush the TX Q */
-}
-
 /*
  * LLCP Procedure Creation
  */

subsys/bluetooth/controller/ll_sw/ull_llcp_enc.c

@@ -343,7 +343,6 @@ static void lp_enc_st_unencrypted(struct ll_conn *conn, struct proc_ctx *ctx, ui
 	case LP_ENC_EVT_RUN:
 		/* Pause Tx data */
 		llcp_tx_pause_data(conn, LLCP_TX_QUEUE_PAUSE_DATA_ENCRYPTION);
-		llcp_tx_flush(conn);
 		lp_enc_send_enc_req(conn, ctx, evt, param);
 		break;
 	default:
@@ -478,7 +477,6 @@ static void lp_enc_state_encrypted(struct ll_conn *conn, struct proc_ctx *ctx, u
 	case LP_ENC_EVT_RUN:
 		/* Pause Tx data */
 		llcp_tx_pause_data(conn, LLCP_TX_QUEUE_PAUSE_DATA_ENCRYPTION);
-		llcp_tx_flush(conn);
 		lp_enc_send_pause_enc_req(conn, ctx, evt, param);
 		break;
 	default:
@@ -911,7 +909,6 @@ static void rp_enc_state_wait_rx_enc_req(struct ll_conn *conn, struct proc_ctx *
 	case RP_ENC_EVT_ENC_REQ:
 		/* Pause Tx data */
 		llcp_tx_pause_data(conn, LLCP_TX_QUEUE_PAUSE_DATA_ENCRYPTION);
-		llcp_tx_flush(conn);
 		/* Pause Rx data */
 		ull_conn_pause_rx_data(conn);
 
@@ -1054,7 +1051,6 @@ static void rp_enc_state_wait_rx_pause_enc_req(struct ll_conn *conn, struct proc
 	case RP_ENC_EVT_PAUSE_ENC_REQ:
 		/* Pause Tx data */
 		llcp_tx_pause_data(conn, LLCP_TX_QUEUE_PAUSE_DATA_ENCRYPTION);
-		llcp_tx_flush(conn);
 		/*
 		 * Pause Rx data; will be resumed when the encapsulated
 		 * Start Procedure is done.

subsys/bluetooth/controller/ll_sw/ull_llcp_internal.h

@@ -350,7 +350,6 @@ void llcp_proc_ctx_release(struct proc_ctx *ctx);
 void llcp_tx_enqueue(struct ll_conn *conn, struct node_tx *tx);
 void llcp_tx_pause_data(struct ll_conn *conn, enum llcp_tx_q_pause_data_mask pause_mask);
 void llcp_tx_resume_data(struct ll_conn *conn, enum llcp_tx_q_pause_data_mask resume_mask);
-void llcp_tx_flush(struct ll_conn *conn);
 
 /*
  * LLCP Procedure Response Timeout