G'day,
OLPC XO-4 on 3.16-rc4 was not resolving aliases.
of_alias_get_id was returning -ENODEV, because of_alias_scan was not
finding an /aliases node.
unflatten_device_tree did process an /aliases node.
But the name of the aliases node was missing a terminating NUL,
because in unflatten_dt_node the node allocation length was off by
one, in turn because the length was set from a post-decrement:
allocl = l++;
And is solved by pre-decrement:
allocl = ++l;
The triggering change may have been from "of/fdt: Convert FDT
functions to use libfdt" e6a6928c3ea1d0195ed75a091e345696b916c09b.
It is also quite possible that I misunderstand something, and welcome
any correction.
--
James Cameron
http://quozl.linux.org.au/
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