Hello,
Looks like Peter Chen has submitted a patch that associates the USB device with
the device-tree node. This is nice; we could use it to propagate the MAC address
from firmware with minimal changes now, something that Arnd Bergmann suggested
back in 2011 [2].
[1] USB: core: let USB device know device node
https://patchwork.ozlabs.org/patch/572621/
[2] Re: RFC: Platform data for onboard USB assets
https://lkml.org/lkml/2011/3/17/416
Tested to work fine on the B+ board with Peter's patch and a trivial change to
u-boot so that the board code sets $ethaddr in addition to $usbethaddr for the
dt fixup code.
Lubo
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