[PATCH 0/2] Make finding fixup nodes more robust

[Sam Ravnborg]

Hi Sasha.

On Fri, Jan 26, 2018 at 08:26:42PM +0100, Sascha Hauer wrote:
> Recently the node names in i.MX6 device tree files have changed. The
> leading zeroes were removed from the addresses. With this a newer
> barebox doesn't find the nodes to fixup in an old device tree and
> an older barebox doesn't find the nodes in a new device tree. To
> fix this we create new names of the nodes based on things that hopefully
> don't change: We iterate up to a node which is MMIO space mappable
> and get a name that starts with "[adr]". For the remaining parts of
> a node we add "<reg>" when the hierarchy level has a "reg" property
> and only as last fallback we add "{nodename}" in curly brackets.
> This name is safe against node name changes and also against adding
> a new hierarchy level in the device tree (when for example a bus level
> is added).
I think I was bitten by something similar while toying with display
timings.

So I think commands/of_display_timings.c would benefit
from a conversion to this new scheme too - as well as the mtd stuff
in of/partition.c

	Sam