freescale: fix long help handling in mac command

CONFIG_SYS_LONGHELP=n we want to reduce the size of the U-Boot binary.
The long text should be reduced to and empty string in this case.

There is not need to call cmd_usage() directly. It is sufficient to
return CMD_RET_USAGE.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

diff --git a/board/freescale/common/sys_eeprom.c b/board/freescale/common/sys_eeprom.c
index d4a00fe920532abb235a96be5ca6c588b6fa5e47..9363251dc23f7b7eff65faf9d617771b0c370b20 100644 (file)
--- a/board/freescale/common/sys_eeprom.c
+++ b/board/freescale/common/sys_eeprom.c
@@ -424,7 +424,7 @@ int do_mac(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
                        prog_eeprom();
                        break;
                default:
-                       return cmd_usage(cmdtp);
+                       return CMD_RET_USAGE;
                }
 
                return 0;
@@ -624,9 +624,8 @@ unsigned int get_cpu_board_revision(void)
 }
 #endif
 
-U_BOOT_CMD(
-       mac, 3, 1,  do_mac,
-       "display and program the system ID and MAC addresses in EEPROM",
+#ifdef CONFIG_SYS_LONGHELP
+static char booti_help_text[] =
        "[read|save|id|num|errata|date|ports|port_number]\n"
        "mac read\n"
        "    - read EEPROM content into memory data structure\n"
@@ -643,5 +642,12 @@ U_BOOT_CMD(
        "mac ports N\n"
        "    - program the number of network ports to integer N\n"
        "mac X string\n"
-       "    - program MAC addr for port X [X=0,1..] to colon separated string"
-);
+       "    - program MAC addr for port X [X=0,1..] to colon separated string";
+#else
+       "";
+#endif
+
+U_BOOT_CMD(
+       mac, 3, 1,  do_mac,
+       "display and program the system ID and MAC addresses in EEPROM",
+       booti_help_text);