linux-kernel - Re: [PATCH v5 0/4] of: remove *phandle properties from expanded device tree

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Message-ID: <CAL_JsqL8iJc-uS0p4TL9xvnu0JjJUBUf+g_jnm9E_Z5z+9S5EA@mail.gmail.com>
Date:   Tue, 13 Jun 2017 17:08:34 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Frank Rowand <frowand.list@...il.com>
Cc:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 0/4] of: remove *phandle properties from expanded
 device tree

On Sat, Jun 10, 2017 at 12:47 AM,  <frowand.list@...il.com> wrote:
> From: Frank Rowand <frank.rowand@...y.com>
>
> 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 v4:
>    - rebase on 4.12-rc1
>    - Add reason for "<NULL>" in of_attach_node()
>    - Simplify and consolidate phandle detection logic in
>      populate_properties().  This results in a change of behaviour,
>      the value of property "ibm,phandle" will no longer override the
>      value of properties "phandle" and "linux,phandle".
>
> Changes from v3:
>    - patch 1: fix incorrect variable name in __of_add_phandle_sysfs().
>      Problem was reported by the kbuild test robot
>
> 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    | 57 +++++++++++++++++++++++++++++++++++++------------
>  drivers/of/fdt.c        | 43 ++++++++++++++++++-------------------
>  drivers/of/of_private.h |  2 +-
>  drivers/of/overlay.c    |  8 ++++---
>  drivers/of/resolver.c   | 23 +-------------------
>  include/linux/of.h      |  1 +
>  7 files changed, 118 insertions(+), 66 deletions(-)

Series applied.

Rob