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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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11
common/cmd_mmc.c
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@@ -89,7 +89,7 @@ U_BOOT_CMD(
mmc, 3, 1, do_mmc,
"MMC sub-system",
"init [dev] - init MMC sub system\n"
"mmc device [dev] - show or set current device\n"
"mmc device [dev] - show or set current device"
);
#else /* !CONFIG_GENERIC_MMC */
@@ -135,9 +135,10 @@ int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
return 0;
}
U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo,
"print MMC information",
"<dev num>\n");
U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo,
"mmcinfo <dev num>-- display MMC info\n",
""
);
int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
@@ -231,5 +232,5 @@ U_BOOT_CMD(
"read <device num> addr blk# cnt\n"
"mmc write <device num> addr blk# cnt\n"
"mmc rescan <device num>\n"
"mmc list - list available devices\n");
"mmc list - lists available devices");
#endif