[U-Boot] Mac address warning

[Wolfgang Denk]

Dear Eric Nelson,

In message <51FAEF05.1050700 at boundarydevices.com> you wrote:
> 
> While testing Troy's usbnet patches, I was reminded of
> this mysterious warning issued when the environment has
> no mac address stored, but the device provides one:
> 
> 	printf("\nWarning: %s using MAC address from net device\n",
> 			dev->name);
> 
> Why is this a warning? It's the out-of-the box default
> for new boards who haven't saved a mac address to the
> persistent environment.

It is a warnign because in U-Boot the "ethaddr" environment variable
is considered the primary source of information here.  If it is
missing, U-Boot may try to use other sources for this information, but
it will warn you that it is not doing the normal thing.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"Everything should be made as simple as possible, but not simpler."
                                                    - Albert Einstein