[PATCH] cmd: mmc: update the mmc command's usage about argument

[Jaehoon Chung]

Hi Simon,

On 12/15/20 1:00 PM, Simon Glass wrote:
> Hi Jaehoon,
> 
> On Mon, 14 Dec 2020 at 03:09, Jaehoon Chung <jh80.chung at samsung.com> wrote:
>>
>> It's confused what is optional or mandantary argument.
> 
> how about: It's confusing whether arguments are optional or mandatory

Okay, will update.

> 
>> Update the command's usage to clarify how to use.
> 
> Are you using <> to indicate optional? I see [] used more commonly.

No, i'm using [] to indicated optional.
AFFIK, "<> -> mandatory, []  -> optional", doesn't it?


Best Regards,
Jaehoon Chung

> 
>>
>> Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
>> ---
>>  cmd/mmc.c | 6 +++---
>>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> Regards,
> Simon
>