[U-Boot] [PATCH v3] net: allow setting env enetaddr from net device setting
Wolfgang Denk
wd at denx.de
Tue Mar 6 21:33:58 CET 2012
Dear Rob,
In message <4F566D05.5020809 at gmail.com> you wrote:
>
> >> +3. Write value to environment if setup in struct eth_device->enetaddr by driver
> >> + initialize() function. Give priority to the value in the environment if a
> >> + conflict.
> >
> > Sorry, but this description is not correct. You say here that the
> > environment variable should always be written, but this is not the
> > case. Only if it does not exist it shall be set. If it exists, it
> > shall only be read, and in case of inconsistencies a warning shall be
> > printed.
>
> How about this:
>
> 3. Always use the value in the environment if there is a conflict. If
> the environment variable is not set and the driver initialized struct
> eth_device->enetaddr, then print a warning and set the environment
> variable to initialized by the driver.
I find you make it difficult to read without need by explaining it
backwards.
The environment variable will be compared to the driver
initialized struct eth_device->enetaddr. If they differ, a
warning is printed, an the environment variable will be used
unchanged.
If the environment variable is not set, it will be initialized
from eth_device->enetaddr, and a warning will be printed.
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
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