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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_mp.c
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@ -78,7 +78,7 @@ cpu_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
" Default for r3 is <num> and r6 is 0\n" \
"\n" \
" When cpu <num> is released r4 and r5 = 0.\n" \
" r7 will contain the size of the initial mapped area\n"
" r7 will contain the size of the initial mapped area"
#endif
U_BOOT_CMD(
@ -86,8 +86,9 @@ U_BOOT_CMD(
"Multiprocessor CPU boot manipulation and release",
"<num> reset - Reset cpu <num>\n"
"cpu <num> status - Status of cpu <num>\n"
"cpu <num> release <addr> [args] - Release cpu <num> at <addr> with [args]\n"
"cpu <num> release <addr> [args] - Release cpu <num> at <addr> with [args]"
#ifdef CPU_ARCH_HELP
"\n"
CPU_ARCH_HELP
#endif
);
);