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authorTom Rini <trini@konsulko.com>2023-10-07 15:13:07 -0400
committerTom Rini <trini@konsulko.com>2023-10-16 10:22:11 -0400
commitdec5777fffcc6f9e97a20bc23fc7353b30b70ed5 (patch)
tree5f39825109fc7d8780aae3bd4df95d1878fc2b46
parentef3ceb2cae6c4763786f5e1b9364b1c8e2d1d029 (diff)
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command.h: Add a U_BOOT_LONGHELP macro
In order to be able to discard unused long help texts without further linker lists, add a macro for defining the long help messages which uses __maybe_unused. This allows us to discard them as unreferenced as part of the link. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
-rw-r--r--include/command.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/command.h b/include/command.h
index 1c4ec42..6262365 100644
--- a/include/command.h
+++ b/include/command.h
@@ -328,6 +328,9 @@ int cmd_source_script(ulong addr, const char *fit_uname, const char *confname);
# define _CMD_HELP(x)
#endif
+#define U_BOOT_LONGHELP(_cmdname, text) \
+ static __maybe_unused const char _cmdname##_help_text[] = text
+
#define U_BOOT_SUBCMDS_DO_CMD(_cmdname) \
static int do_##_cmdname(struct cmd_tbl *cmdtp, int flag, \
int argc, char *const argv[], \