[RFA 1/3] Add usage to printf command

[Alan Hayward]

> On 16 Feb 2018, at 23:09, Simon Marchi <simon.marchi@polymtl.ca> wrote:
> 
> On 2018-02-16 16:58, Tom Tromey wrote:
>>>>>>> "Alan" == Alan Hayward <Alan.Hayward@arm.com> writes:
>> Alan> I like the addition of a “usage”. But this will be the only
>> command to have it.
>> Plenty of commands have it.

I meant to say “the only command in printcmd.c to have it". :)

>> Alan> Probably not in scope for this patch series, but it would be
>> nice for consistency
>> Alan> for usage statements to be added to all the commands in this file.
>> I can drop this patch.
> 
> Please don't :).  I think this is a welcome change.
> 

Agree with Simon.


Alan.