X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fcmd_dcr.c;h=896f79f416c3a10128525cb91576fc285945dfd1;hb=8ad59c9a7bef49a18078888ad8eba8e87737c3b2;hp=4f23b8d591120ee46a759340486cdf5c85320d2e;hpb=92afd368bba7d98b2b7bfb51082c3639bb2119b3;p=u-boot

diff --git a/common/cmd_dcr.c b/common/cmd_dcr.c
index 4f23b8d591..896f79f416 100644
--- a/common/cmd_dcr.c
+++ b/common/cmd_dcr.c
@@ -2,23 +2,7 @@
  * (C) Copyright 2001
  * Erik Theisen,  Wave 7 Optics, etheisen@mindspring.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+
  */
 
 /*
@@ -36,7 +20,7 @@ unsigned long set_dcr (unsigned short, unsigned long);
  * Interpreter command to retrieve an AMCC PPC 4xx Device Control Register
  * =======================================================================
  */
-int do_getdcr ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] )
+int do_getdcr ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[] )
 {
 	unsigned short dcrn;	/* Device Control Register Num */
 	unsigned long value;	/* DCR's value */
@@ -44,10 +28,8 @@ int do_getdcr ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] )
 	unsigned long get_dcr (unsigned short);
 
 	/* Validate arguments */
-	if (argc < 2) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (argc < 2)
+		return CMD_RET_USAGE;
 
 	/* Get a DCR */
 	dcrn = (unsigned short) simple_strtoul (argv[1], NULL, 16);
@@ -63,20 +45,17 @@ int do_getdcr ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] )
  * Interpreter command to set an AMCC PPC 4xx Device Control Register
  * ======================================================================
 */
-int do_setdcr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+int do_setdcr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 {
 	unsigned short dcrn;	/* Device Control Register Num */
 	unsigned long value;
 
 	/* DCR's value */
 	int nbytes;
-	extern char console_buffer[];
 
 	/* Validate arguments */
-	if (argc < 2) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (argc < 2)
+		return CMD_RET_USAGE;
 
 	/* Set a DCR */
 	dcrn = (unsigned short) simple_strtoul (argv[1], NULL, 16);
@@ -110,7 +89,7 @@ int do_setdcr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
  * Device Control Register inderect addressing.
  * =======================================================================
  */
-int do_getidcr (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_getidcr (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	unsigned short adr_dcrn;	/* Device Control Register Num for Address */
 	unsigned short dat_dcrn;	/* Device Control Register Num for Data */
@@ -120,10 +99,8 @@ int do_getidcr (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	char buf[80];
 
 	/* Validate arguments */
-	if (argc < 3) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (argc < 3)
+		return CMD_RET_USAGE;
 
 	/* Find out whether ther is '.' (dot) symbol in the first parameter. */
 	strncpy (buf, argv[1], sizeof(buf)-1);
@@ -166,7 +143,7 @@ int do_getidcr (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  * Device Control Register inderect addressing.
  * =======================================================================
  */
-int do_setidcr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+int do_setidcr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 {
 	unsigned short adr_dcrn;	/* Device Control Register Num for Address */
 	unsigned short dat_dcrn;	/* Device Control Register Num for Data */
@@ -176,10 +153,8 @@ int do_setidcr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 	char buf[80];
 
 	/* Validate arguments */
-	if (argc < 4) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (argc < 4)
+		return CMD_RET_USAGE;
 
 	/* Find out whether ther is '.' (dot) symbol in the first parameter. */
 	strncpy (buf, argv[1], sizeof(buf)-1);