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General help message cleanup

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Many of the help messages were not really helpful; for example, many
commands that take no arguments would not print a correct synopsis
line, but "No additional help available." which is not exactly wrong,
but not helpful either.

Commit ``Make "usage" messages more helpful.'' changed this
partially. But it also became clear that lots of "Usage" and "Help"
messages (fields "usage" and "help" in struct cmd_tbl_s respective)
were actually redundant.

This patch cleans this up - for example:

Before:
	=> help dtt
	dtt - Digital Thermometer and Thermostat

	Usage:
	dtt         - Read temperature from digital thermometer and thermostat.

After:
	=> help dtt
	dtt - Read temperature from Digital Thermometer and Thermostat

	Usage:
	dtt

Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Wolfgang Denk
2009-05-24 17:06:54 +02:00
parent 94796d8544
commit a89c33db96
165 changed files with 507 additions and 496 deletions
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10
board/inka4x0/inkadiag.c
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@@ -439,14 +439,14 @@ static int do_inkadiag_help(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
cmd_tbl_t cmd_inkadiag_sub[] = {
U_BOOT_CMD_MKENT(io, 1, 1, do_inkadiag_io, "read digital input",
"<drawer1|drawer2|other> [value] - get or set specified signal\n"),
"<drawer1|drawer2|other> [value] - get or set specified signal"),
U_BOOT_CMD_MKENT(serial, 4, 1, do_inkadiag_serial, "test serial port",
"<num> <mode> <baudrate> <msg> - test uart num [0..11] in mode\n"
"and baudrate with msg\n"),
"and baudrate with msg"),
U_BOOT_CMD_MKENT(buzzer, 2, 1, do_inkadiag_buzzer, "activate buzzer",
"<period> <freq> - turn buzzer on for period ms with freq hz\n"),
"<period> <freq> - turn buzzer on for period ms with freq hz"),
U_BOOT_CMD_MKENT(help, 4, 1, do_inkadiag_help, "get help",
"[command] - get help for command\n"),
"[command] - get help for command"),
};
static int do_inkadiag_help(cmd_tbl_t *cmdtp, int flag,
@@ -483,7 +483,7 @@ U_BOOT_CMD(inkadiag, 6, 1, do_inkadiag,
"inkadiag - inka diagnosis\n",
"[inkadiag what ...]\n"
" - perform a diagnosis on inka hardware\n"
"'inkadiag' performs hardware tests.\n\n");
"'inkadiag' performs hardware tests.");
/* Relocate the command table function pointers when running in RAM */
int inkadiag_init_r (void) {