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.

Tested-by: Michal Simek <[email protected]>
Signed-off-by: Quentin Schulz <[email protected]>
---
 cmd/bdinfo.c      | 16 +++++++++++++++-
 test/cmd/bdinfo.c | 11 +++++++++++
 2 files changed, 26 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
 );
diff --git a/test/cmd/bdinfo.c b/test/cmd/bdinfo.c
index 2ba57edc685..5112c399931 100644
--- a/test/cmd/bdinfo.c
+++ b/test/cmd/bdinfo.c
@@ -254,6 +254,17 @@ static int bdinfo_test_help(struct unit_test_state *uts)
                ut_assert_nextline_empty();
                ut_assert_nextlinen("Usage:");
                ut_assert_nextlinen("bdinfo");
+               if (CONFIG_IS_ENABLED(GETOPT))
+                       ut_assert_nextlinen("bdinfo -a");
+               ut_assert_nextlinen("  - print all Board Info structure");
+               if (CONFIG_IS_ENABLED(GETOPT)) {
+                       if (IS_ENABLED(CONFIG_NET) || 
IS_ENABLED(CONFIG_NET_LWIP)) {
+                               ut_assert_nextlinen("bdinfo -e");
+                               ut_assert_nextlinen("  - print Board Info 
related to network");
+                       }
+                       ut_assert_nextlinen("bdinfo -m");
+                       ut_assert_nextlinen("  - print Board Info related to 
DRAM");
+               }
        }
        ut_assert_console_end();
 

-- 
2.52.0

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