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The device tree structure is composed of two lists; the 'allnodes' list which is a singly linked list containing every node in the tree, and the child->parent structure where each parent node has a singly linked list of children. All of the data in the allnodes list can be easily reproduced with the parent-child lists, so of_allnodes is actually unnecessary. Remove it entirely which saves a bit of memory and simplifies the data structure quite a lot. Signed-off-by: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh@kernel.org> Cc: Gaurav Minocha <gaurav.minocha.os@gmail.com> Cc: Pantelis Antoniou <pantelis@pantelis.antoniou@konsulko.com>
11 lines
415 B
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11 lines
415 B
Plaintext
Todo list for devicetree:
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=== General structure ===
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- Switch from custom lists to (h)list_head for nodes and properties structure
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=== CONFIG_OF_DYNAMIC ===
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- Switch to RCU for tree updates and get rid of global spinlock
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- Document node lifecycle for CONFIG_OF_DYNAMIC
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- Always set ->full_name at of_attach_node() time
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- pseries: Get rid of open-coded tree modification from arch/powerpc/platforms/pseries/dlpar.c
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