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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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7
common/cmd_source.c
View file

@ -229,10 +229,11 @@ U_BOOT_CMD(
"run script from memory",
"[addr]\n"
"\t- run script starting at addr\n"
"\t- A valid image header must be present\n"
"\t- A valid image header must be present"
#if defined(CONFIG_FIT)
"\n"
"For FIT format uImage addr must include subimage\n"
"unit name in the form of addr:<subimg_uname>\n"
"unit name in the form of addr:<subimg_uname>"
#endif
);
@ -251,6 +252,6 @@ do_autoscr (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD(
autoscr, 2, 0, do_autoscr,
"DEPRECATED - use \"source\" command instead",
"DEPRECATED - use \"source\" command instead\n"
""
);
#endif