From: Quentin Schulz <[email protected]>

Document the bdinfo -a, -e and -m options in the long help, but only
when they can be used. The string concatenation is a bit odd with two
newlines, but it does render properly once in U-Boot CLI.

Signed-off-by: Quentin Schulz <[email protected]>
---
 cmd/bdinfo.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/cmd/bdinfo.c b/cmd/bdinfo.c
index 09fe8067642..f36c6123ca7 100644
--- a/cmd/bdinfo.c
+++ b/cmd/bdinfo.c
@@ -212,5 +212,19 @@ int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, 
char *const argv[])
 U_BOOT_CMD(
        bdinfo, 2,      1,      do_bdinfo,
        "print Board Info structure",
-       ""
+// Long help prepended with command's name, and `bdinfo` is a valid command
+       "\n"
+#if CONFIG_IS_ENABLED(GETOPT)
+       "bdinfo -a\n"
+#endif
+       "  - print all Board Info structure"
+#if CONFIG_IS_ENABLED(GETOPT)
+       "\n"
+#if IS_ENABLED(CONFIG_NET) || IS_ENABLED(CONFIG_NET_LWIP)
+       "bdinfo -e\n"
+       "  - print Board Info related to network\n"
+#endif
+       "bdinfo -m\n"
+       "  - print Board Info related to DRAM"
+#endif
 );

-- 
2.52.0

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