diff --git a/common/command.c b/common/command.c
index 4358243..e13cb47 100644
--- a/common/command.c
+++ b/common/command.c
@@ -161,11 +161,11 @@
 
 /*************************************************************************************/
 
-static int complete_cmdv(int argc, char * const argv[], char last_char, int maxv, char *cmdv[])
+int complete_subcmdv(cmd_tbl_t *cmdtp, int count, int argc,
+		     char * const argv[], char last_char,
+		     int maxv, char *cmdv[])
 {
 #ifdef CONFIG_CMDLINE
-	cmd_tbl_t *cmdtp = ll_entry_start(cmd_tbl_t, cmd);
-	const int count = ll_entry_count(cmd_tbl_t, cmd);
 	const cmd_tbl_t *cmdend = cmdtp + count;
 	const char *p;
 	int len, clen;
@@ -193,7 +193,7 @@
 
 	/* more than one arg or one but the start of the next */
 	if (argc > 1 || last_char == '\0' || isblank(last_char)) {
-		cmdtp = find_cmd(argv[0]);
+		cmdtp = find_cmd_tbl(argv[0], cmdtp, count);
 		if (cmdtp == NULL || cmdtp->complete == NULL) {
 			cmdv[0] = NULL;
 			return 0;
@@ -238,6 +238,18 @@
 #endif
 }
 
+static int complete_cmdv(int argc, char * const argv[], char last_char,
+			 int maxv, char *cmdv[])
+{
+#ifdef CONFIG_CMDLINE
+	return complete_subcmdv(ll_entry_start(cmd_tbl_t, cmd),
+				ll_entry_count(cmd_tbl_t, cmd), argc, argv,
+				last_char, maxv, cmdv);
+#else
+	return 0;
+#endif
+}
+
 static int make_argv(char *s, int argvsz, char *argv[])
 {
 	int argc = 0;