This is supposed to be supported by the 'bootflow cmd' command, at least according to the help. There is a 'bootflow cmd clear' but it is often more intuitive to use 'bootcmd cmd set' with an empty value.

Update the command to pass BOOTFLOWCL_EMPTY in this case.

Signed-off-by: Simon Glass sjg@chromium.org ---

cmd/bootflow.c | 4 ++-- test/boot/bootflow.c | 4 ++++ 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/cmd/bootflow.c b/cmd/bootflow.c index 3aeb40d690f..c6aa06b9ce9 100644 --- a/cmd/bootflow.c +++ b/cmd/bootflow.c @@ -524,9 +524,9 @@ static int do_bootflow_cmdline(struct cmd_tbl *cmdtp, int flag, int argc, op = argv[1]; arg = argv[2]; if (*op == 's') { - if (argc < 4) + if (argc < 3) return CMD_RET_USAGE; - val = argv[3]; + val = argv[3] ?: (const char *)BOOTFLOWCL_EMPTY; }

switch (*op) { diff --git a/test/boot/bootflow.c b/test/boot/bootflow.c index b97c566f000..43cba3cc783 100644 --- a/test/boot/bootflow.c +++ b/test/boot/bootflow.c @@ -1013,6 +1013,10 @@ static int bootflow_cmdline(struct unit_test_state *uts) ut_asserteq(0, run_command("bootflow cmdline get mary", 0)); ut_assert_nextline_empty();

+ ut_asserteq(0, run_command("bootflow cmdline set mary abc", 0)); + ut_asserteq(0, run_command("bootflow cmdline set mary", 0)); + ut_assert_nextline_empty(); + ut_assert_console_end();

return 0;