X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=common%2Fcmd_portio.c;h=eae8f079d6eb23ff70ad293fb3c30c75a7e812d8;hb=f9c1456cf632175afb7d6b27f42f1aab8432be0f;hp=41b1991a275b4153cc56120324142c0c089186cc;hpb=ea393eb1d6a786fc2e895f90abb5f7e7541aef45;p=oweals%2Fu-boot.git

diff --git a/common/cmd_portio.c b/common/cmd_portio.c
index 41b1991a27..eae8f079d6 100644
--- a/common/cmd_portio.c
+++ b/common/cmd_portio.c
@@ -37,19 +37,18 @@ 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 +93,20 @@ 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 +157,5 @@ 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"
 );