+ /* LEGACY SUPPORT ... adapter drivers must declare what
+ * transports they allow. Until they all do so, assume
+ * the legacy drivers are JTAG-only
+ */
+ if (!jtag_interface->transports)
+ LOG_WARNING("Adapter driver '%s' did not declare "
+ "which transports it allows; assuming "
+ "legacy JTAG-only", jtag_interface->name);
+ retval = allow_transports(CMD_CTX, jtag_interface->transports
+ ? jtag_interface->transports : jtag_only);
+ if (ERROR_OK != retval)
+ return retval;
+