common/cmd_misc.c: fix return code of sleep command

[karo-tx-uboot.git] / common / cmd_misc.c

diff --git a/common/cmd_misc.c b/common/cmd_misc.c
index 3b47a0c0957aa852f2189e2ad3b52bdb25785942..41bb860a0f9ab89dad459be808a989dbbbcd96fc 100644 (file)
--- a/common/cmd_misc.c
+++ b/common/cmd_misc.c
@@ -2,23 +2,7 @@
  * (C) Copyright 2001
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 /*
@@ -27,7 +11,7 @@
 #include <common.h>
 #include <command.h>
 
-int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_sleep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
        ulong start = get_timer(0);
        ulong delay;
@@ -38,13 +22,13 @@ int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
        delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
 
        while (get_timer(start) < delay) {
-               if (ctrlc ())
-                       return (-1);
+               if (ctrlc())
+                       return CMD_RET_FAILURE;
 
-               udelay (100);
+               udelay(100);
        }
 
-       return 0;
+       return CMD_RET_SUCCESS;
 }
 
 U_BOOT_CMD(