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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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16
common/cmd_bedbug.c
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@@ -108,7 +108,7 @@ int do_bedbug_dis (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD (ds, 3, 1, do_bedbug_dis,
"disassemble memory",
"ds <address> [# instructions]\n");
"ds <address> [# instructions]");
/* ======================================================================
* Entry point from the interpreter to the assembler. Assembles
@@ -160,7 +160,7 @@ int do_bedbug_asm (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
} /* do_bedbug_asm */
U_BOOT_CMD (as, 2, 0, do_bedbug_asm,
"assemble memory", "as <address>\n");
"assemble memory", "as <address>");
/* ======================================================================
* Used to set a break point from the interpreter. Simply calls into the
@@ -181,7 +181,7 @@ U_BOOT_CMD (break, 3, 0, do_bedbug_break,
" - Set or clear a breakpoint\n"
"break <address> - Break at an address\n"
"break off <bp#> - Disable breakpoint.\n"
"break show - List breakpoints.\n");
"break show - List breakpoints.");
/* ======================================================================
* Called from the debug interrupt routine. Simply calls the CPU-specific
@@ -278,7 +278,7 @@ int do_bedbug_continue (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD (continue, 1, 0, do_bedbug_continue,
"continue from a breakpoint",
" - continue from a breakpoint.\n");
"");
/* ======================================================================
* Interpreter command to continue to the next instruction, stepping into
@@ -309,7 +309,7 @@ int do_bedbug_step (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD (step, 1, 1, do_bedbug_step,
"single step execution.",
" - single step execution.\n");
"");
/* ======================================================================
* Interpreter command to continue to the next instruction, stepping over
@@ -340,7 +340,7 @@ int do_bedbug_next (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD (next, 1, 1, do_bedbug_next,
"single step execution, stepping over subroutines.",
" - single step execution, stepping over subroutines.\n");
"");
/* ======================================================================
* Interpreter command to print the current stack. This assumes an EABI
@@ -385,7 +385,7 @@ int do_bedbug_stack (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD (where, 1, 1, do_bedbug_stack,
"Print the running stack.",
" - Print the running stack.\n");
"");
/* ======================================================================
* Interpreter command to dump the registers. Calls the CPU-specific
@@ -405,7 +405,7 @@ int do_bedbug_rdump (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
} /* do_bedbug_rdump */
U_BOOT_CMD (rdump, 1, 1, do_bedbug_rdump,
"Show registers.", " - Show registers.\n");
"Show registers.", "");
/* ====================================================================== */