Re: [PATCH v4 0/3] of: overlay: load overlay symbols into live device tree

From: Rob Herring
Date: Thu Jul 20 2017 - 10:48:13 EST


On Wed, Jul 19, 2017 at 11:25 AM, <frowand.list@xxxxxxxxx> wrote:
> From: Frank Rowand <frank.rowand@xxxxxxxx>
>
> Symbols in a loaded overlay are not currently available to subsequently
> loaded overlays because the properties in the overlay's __symbols__
> node are not loaded into the live device tree.
>
> Patch 1 is unittests to test patches 2 and 3.
>
> Patch 2 fixes a problem discovered while developing patch 3. If
> a node name in an overlay has a unit-address then the overlay
> code does not correctly match the node name against an existing
> node in the live tree.
>
> Patch 3 adds the properties in an overlay's __symbol__ node to
> the overlay changeset.
>
> changes since v3:
> - fix make W=2 warnings in overlay_base.dts and overlay.dts
> - update the test results in the patch comments to match the
> .dts changes
>
> changes since v2:
> - test on 4.13-rc1
> - remove redundant comments from patch headers of patch 0 and patch 1
> - guard make of overlay .dtb files with CONFIG_OF_OVERLAY
> - guard unittest.c references to overlay .dtb files with
> CONFIG_OF_OVERLAY
>
> changes since v1:
> - patch 2: Use for_each_child_of_node() instead of open coding,
> which allowed removing the new function child_by_full_name().
>
>
>
> Frank Rowand (3):
> of: overlay: add overlay unittest data for node names and symbols
> of: overlay: correctly apply overlay node with unit-address
> of: overlay: add overlay symbols to live device tree

Series applied.

Rob