[PATCH] of/fdt: Add unflatten_partial_device_tree

[M. Warner Losh]

In message: <cf16ff7b-9208-4f47-8cea-ed8a8e52d30e at email.android.com>
            Grant Likely <glikely at secretlab.ca> writes:
: 
: >> Another question is what to do with the unflattened tree once it is
: >> unflattened.  Some of the existing code expects the node to be part of
: >> the global tree.  Those could either be refactored, or the new partial
: >> tree could be grafted into the global tree.  Grafting will have the
: >> least impact, but it probably isn't a good idea in the long term.
: >> Grafting together unrelated trees seems messy to me.
: >
: >I think I must have missed an earlier discussion.  What's the use case
: >for multiple fdt blobs?
: 
: FPGA on an add-on board in an x86 host.  Device tree fragment
: describes the fpga design.  There could be multiple boards in a
: system.

How do you imagine these fragments getting loaded into the system?

Warner