linux-kernel - [PATCH v1 0/2] of: populate of

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Message-Id: <20220623105044.152832-1-clement.leger@bootlin.com>
Date:   Thu, 23 Jun 2022 12:50:42 +0200
From:   Clément Léger <clement.leger@...tlin.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>
Cc:     Clément Léger <clement.leger@...tlin.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Lizhi Hou <lizhi.hou@...inx.com>,
        Allan Nielsen <allan.nielsen@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Steen Hegelund <steen.hegelund@...rochip.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: [PATCH v1 0/2] of: populate of_root node if not set

In order to apply overlays or create new nodes under the root node, the
kernel expects of_root to be set. On some system were a device-tree us
not provided by firmware (x86 for instance) if CONFIG_OF is enabled,
then we will end up with a null of_root. This series add support to
create this root node using a builtin dtb and remove the manual
creation of the root node done in unittests.c.

Clément Léger (2):
  of: base: populate of_root node if not set
  of: unittest: remove check for of_root

 drivers/of/Makefile       |  2 +-
 drivers/of/base.c         | 18 ++++++++++++++++--
 drivers/of/empty_root.dts |  6 ++++++
 drivers/of/unittest.c     | 10 ----------
 4 files changed, 23 insertions(+), 13 deletions(-)
 create mode 100644 drivers/of/empty_root.dts

-- 
2.36.1