Bluetooth: Host: Conditional bt_cmd_send_sync workaround

This commit disables the deadlock workaround in bt_cmd_send_sync when
it's not needed, when tx_processor runs on bt_taskq and not on system
workqueue.

Signed-off-by: Aleksander Wasaznik <[email protected]>

Author: alwa-nordic

subsys/bluetooth/host/hci_core.c

@@ -479,7 +479,7 @@ int bt_hci_cmd_send_sync(uint16_t opcode, struct net_buf *buf,
 	/* Since the commands are now processed in the syswq, we cannot suspend
 	 * and wait. We have to send the command from the current context.
 	 */
-	if (k_current_get() == &k_sys_work_q.thread) {
+	if (!IS_ENABLED(CONFIG_BT_TASKQ_DEDICATED) && k_current_get() == &k_sys_work_q.thread) {
 		/* drain the command queue until we get to send the command of interest. */
 		struct net_buf *cmd = NULL;