cmd: eeprom: Fix usage help for the eeprom command

The bus and devaddr arguments of the eeprom command are optional, and if
only one is given, it is assumed to be devaddr. Change the usage help
from
  <bus> <devaddr>
to
  [[bus] [devaddr]

Signed-off-by: Marek Behún <kabel@kernel.org>

diff --git a/cmd/eeprom.c b/cmd/eeprom.c
index 322765ad02a013b1c5dff318f1f4285207f9714a..0d604832e445cdac998442eb49093b6484a8fb06 100644 (file)
--- a/cmd/eeprom.c
+++ b/cmd/eeprom.c
@@ -418,14 +418,14 @@ int do_eeprom(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 U_BOOT_CMD(
        eeprom, 8,      1,      do_eeprom,
        "EEPROM sub-system",
-       "read  <bus> <devaddr> addr off cnt\n"
-       "eeprom write <bus> <devaddr> addr off cnt\n"
+       "read  [[bus] devaddr] addr off cnt\n"
+       "eeprom write [[bus] devaddr] addr off cnt\n"
        "       - read/write `cnt' bytes from `devaddr` EEPROM at offset `off'"
 #ifdef CONFIG_CMD_EEPROM_LAYOUT
        "\n"
-       "eeprom print [-l <layout_version>] <bus> <devaddr>\n"
+       "eeprom print [-l <layout_version>] [[bus] devaddr]\n"
        "       - Print layout fields and their data in human readable format\n"
-       "eeprom update [-l <layout_version>] <bus> <devaddr> field_name field_value\n"
+       "eeprom update [-l <layout_version>] [[bus] devaddr] field_name field_value\n"
        "       - Update a specific eeprom field with new data.\n"
        "         The new data must be written in the same human readable format as shown by the print command.\n"
        "\n"