X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fcmd_dcr.c;h=d3bbc36c58cdbe10113ba6755b47b2e47eba5479;hb=573f14fe4ed5b803207824be9e3147e894b68f8b;hp=4f23b8d591120ee46a759340486cdf5c85320d2e;hpb=a89c33db96a1e55319a286dd4c3c05ca64ac6bfd;p=u-boot

diff --git a/common/cmd_dcr.c b/common/cmd_dcr.c
index 4f23b8d591..d3bbc36c58 100644
--- a/common/cmd_dcr.c
+++ b/common/cmd_dcr.c
@@ -36,7 +36,7 @@ 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 +44,8 @@ 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 +61,17 @@ 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 +105,7 @@ 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 +115,8 @@ 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 +159,7 @@ 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 +169,8 @@ 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);