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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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8
common/cmd_dcr.c
View File

@@ -224,22 +224,22 @@ int do_setidcr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD(
getdcr, 2, 1, do_getdcr,
"Get an AMCC PPC 4xx DCR's value",
"dcrn - return a DCR's value.\n"
"dcrn - return a DCR's value."
);
U_BOOT_CMD(
setdcr, 2, 1, do_setdcr,
"Set an AMCC PPC 4xx DCR's value",
"dcrn - set a DCR's value.\n"
"dcrn - set a DCR's value."
);
U_BOOT_CMD(
getidcr, 3, 1, do_getidcr,
"Get a register value via indirect DCR addressing",
"adr_dcrn[.dat_dcrn] offset - write offset to adr_dcrn, read value from dat_dcrn.\n"
"adr_dcrn[.dat_dcrn] offset - write offset to adr_dcrn, read value from dat_dcrn."
);
U_BOOT_CMD(
setidcr, 4, 1, do_setidcr,
"Set a register value via indirect DCR addressing",
"adr_dcrn[.dat_dcrn] offset value - write offset to adr_dcrn, write value to dat_dcrn.\n"
"adr_dcrn[.dat_dcrn] offset value - write offset to adr_dcrn, write value to dat_dcrn."
);