Re: [PATCH v3 0/4] of: remove *phandle properties from expanded device tree

From: Frank Rowand
Date: Tue Apr 25 2017 - 04:52:29 EST


On 04/25/17 01:47, frowand.list@xxxxxxxxx wrote:
> From: Frank Rowand <frank.rowand@xxxxxxxx>
>
> Remove "phandle" and "linux,phandle" properties from the internal
> device tree. The phandle will still be in the struct device_node
> phandle field.
>
> This is to resolve the issue found by Stephen Boyd [1] when he changed
> the type of struct property.value from void * to const void *. As
> a result of the type change, the overlay code had compile errors
> where the resolver updates phandle values.
>
> [1] http://lkml.iu.edu/hypermail/linux/kernel/1702.1/04160.html
>
> Patch 1 is the phandle related changes.
>
> Patches 2 - 4 are minor fixups for issues that became visible
> while implementing patch 1.
>
> Changes from v1:

^^^^^^^^
Changes from v2


> - patch 1: Remove check in __of_add_phandle_sysfs() that would not
> add a sysfs entry if IS_ENABLED(CONFIG_PPC_PSERIES)
>
> Changes from v1:
> - Remove phandle properties in of_attach_node(), before attaching
> the node to the live tree.
> - Add the phandle sysfs entry for the node in of_attach_node().
> - When creating an overlay changeset, duplicate the node phandle in
> __of_node_dup().
>
> Frank Rowand (4):
> of: remove *phandle properties from expanded device tree
> of: make __of_attach_node() static
> of: be consistent in form of file mode
> of: detect invalid phandle in overlay
>
> drivers/of/base.c | 50 +++++++++++++++++++++++++++++++++++++++----
> drivers/of/dynamic.c | 56 ++++++++++++++++++++++++++++++++++++-------------
> drivers/of/fdt.c | 40 +++++++++++++++++++++--------------
> drivers/of/of_private.h | 2 +-
> drivers/of/overlay.c | 8 ++++---
> drivers/of/resolver.c | 23 +-------------------
> include/linux/of.h | 1 +
> 7 files changed, 120 insertions(+), 60 deletions(-)
>