linux-kernel - [PATCH v2 0/4] of: add of_property_alloc/free() and of_node

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Date:   Wed,  1 Jun 2022 10:17:57 +0200
From:   Clément Léger <clement.leger@...tlin.com>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Nathan Lynch <nathanl@...ux.ibm.com>,
        Laurent Dufour <ldufour@...ux.ibm.com>,
        Daniel Henrique Barboza <danielhb413@...il.com>,
        David Gibson <david@...son.dropbear.id.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Ohhoon Kwon <ohoono.kwon@...sung.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        YueHaibing <yuehaibing@...wei.com>
Cc:     Clément Léger <clement.leger@...tlin.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        Allan Nielsen <allan.nielsen@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Steen Hegelund <steen.hegelund@...rochip.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Lizhi Hou <lizhi.hou@...inx.com>
Subject: [PATCH v2 0/4] of: add of_property_alloc/free() and of_node_alloc()

In order to be able to create new nodes and properties dynamically from
drivers, add of_property_alloc/free() and of_node_alloc(). These
functions can be used to create new nodes and properties flagged with
OF_DYNAMIC and to free them.

Some powerpc code was already doing such operations and thus, these
functions have been used to replace the manual creation of nodes and
properties.

---

Changes in V2:
- Remove of_node_free()
- Rework property allocation to allocate both property and value with
  1 allocation
- Rework node allocation to allocate name at the same time the node is
  allocated
- Remove extern from definitions
- Remove of_property_alloc() value_len parameter and add more
  explanation for the arguments
- Add a check in of_property_free to check OF_DYNAMIC flag
- Add a commit which constify the property argument of
  of_property_check_flags()

Clément Léger (4):
  of: constify of_property_check_flags() prop argument
  of: dynamic: add of_property_alloc() and of_property_free()
  of: dynamic: add of_node_alloc()
  powerpc/pseries: use of_property_alloc/free() and of_node_alloc()

 arch/powerpc/platforms/pseries/dlpar.c        |  51 +------
 .../platforms/pseries/hotplug-memory.c        |  21 +--
 arch/powerpc/platforms/pseries/reconfig.c     |  45 ++----
 drivers/of/dynamic.c                          | 134 ++++++++++++------
 drivers/of/of_private.h                       |  21 ++-
 include/linux/of.h                            |  25 +++-
 6 files changed, 153 insertions(+), 144 deletions(-)

-- 
2.36.0