X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fcmd_portio.c;h=bf3a99791ce2d8a7f924c74a4b7c5fb308623535;hb=c5f0d3f1c5078870926ebbc84af92f0f66133cb3;hp=41b1991a275b4153cc56120324142c0c089186cc;hpb=6c6e042ab3bbfb5428e4cdeb38fa27728c63afdd;p=karo-tx-uboot.git

diff --git a/common/cmd_portio.c b/common/cmd_portio.c
index 41b1991a27..bf3a99791c 100644
--- a/common/cmd_portio.c
+++ b/common/cmd_portio.c
@@ -2,23 +2,7 @@
  * (C) Copyright 2003
  * Marc Singer, elf@buici.com
  *
- * 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+
  */
 
 /*
@@ -37,19 +21,18 @@ static uint in_last_addr, in_last_size;
 static uint out_last_addr, out_last_size, out_last_value;
 
 
-int do_portio_out (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+int do_portio_out (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 {
 	uint addr = out_last_addr;
 	uint size = out_last_size;
 	uint value = out_last_value;
 
-	if (argc != 3) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (argc != 3)
+		return CMD_RET_USAGE;
 
 	if ((flag & CMD_FLAG_REPEAT) == 0) {
-		/* New command specified.  Check for a size specification.
+		/*
+		 * New command specified.  Check for a size specification.
 		 * Defaults to long if no or incorrect specification.
 		 */
 		size = cmd_get_data_size (argv[0], 1);
@@ -94,21 +77,20 @@ int do_portio_out (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 U_BOOT_CMD(
 	out,	3,	1,	do_portio_out,
 	"write datum to IO port",
-	"[.b, .w, .l] port value\n    - output to IO port\n"
+	"[.b, .w, .l] port value\n    - output to IO port"
 );
 
-int do_portio_in (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+int do_portio_in (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 {
 	uint addr = in_last_addr;
 	uint size = in_last_size;
 
-	if (argc != 2) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (argc != 2)
+		return CMD_RET_USAGE;
 
 	if ((flag & CMD_FLAG_REPEAT) == 0) {
-		/* New command specified.  Check for a size specification.
+		/*
+		 * New command specified.  Check for a size specification.
 		 * Defaults to long if no or incorrect specification.
 		 */
 		size = cmd_get_data_size (argv[0], 1);
@@ -159,5 +141,5 @@ U_BOOT_CMD(
 	in,	2,	1,	do_portio_in,
 	"read data from an IO port",
 	"[.b, .w, .l] port\n"
-	"    - read datum from IO port\n"
+	"    - read datum from IO port"
 );