Hi, Dong Aisheng writes: > On Wed, Mar 14, 2012 at 10:16:43PM +0800, s.hauer@xxxxxxxxxxxxxx wrote: > > On Wed, Mar 14, 2012 at 08:45:23PM +0800, Dong Aisheng wrote: > > > On Wed, Mar 14, 2012 at 01:23:51AM +0800, Grant Likely wrote: [...] > > > But it seems this needs pass mac address to fec driver via platforom data which is > > > not friendly to dt. > > > > > > Another way may be changing fec driver to get the fixed part of mac address(first > > > two bytes) from device tree and read the left dynamical part from otp which i'm not > > > sure is better enough. > > > > > > BTW, filling with zeros seems not work since it's invalid mac address. > > > > Yes, that's the idea of using this value... > > > But comparing to use an invalid value, why not just do not define that > local-mac-address property? > Because a MAC address is by definition a GLOBALLY UNIQUE IDENTIFIER which is contrary to coding a "valid" default value for it somewhere! The owner of a certain MAC address range (OUI) is responsible for ensuring the uniqueness. Thus only they may assign a specific MAC address to a specific device. Lothar Waßmann -- ___________________________________________________________ Ka-Ro electronics GmbH | Pascalstraße 22 | D - 52076 Aachen Phone: +49 2408 1402-0 | Fax: +49 2408 1402-10 Geschäftsführer: Matthias Kaussen Handelsregistereintrag: Amtsgericht Aachen, HRB 4996 www.karo-electronics.de | info@xxxxxxxxxxxxxxxxxxx ___________________________________________________________ -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
