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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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4
common/cmd_doc.c
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@@ -202,7 +202,7 @@ U_BOOT_CMD(
"doc write addr off size - read/write `size'"
" bytes starting at offset `off'\n"
" to/from memory address `addr'\n"
"doc erase off size - erase `size' bytes of DOC from offset `off'\n"
"doc erase off size - erase `size' bytes of DOC from offset `off'"
);
int do_docboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
@@ -342,7 +342,7 @@ int do_docboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD(
docboot, 4, 1, do_docboot,
"boot from DOC device",
"loadAddr dev\n"
"loadAddr dev"
);
int doc_rw (struct DiskOnChip* this, int cmd,