From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB957CCA480 for ; Thu, 23 Jun 2022 10:52:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231451AbiFWKwK (ORCPT ); Thu, 23 Jun 2022 06:52:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231469AbiFWKwC (ORCPT ); Thu, 23 Jun 2022 06:52:02 -0400 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 165474B428; Thu, 23 Jun 2022 03:51:58 -0700 (PDT) Received: (Authenticated sender: clement.leger@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id A0F02E0017; Thu, 23 Jun 2022 10:51:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1655981516; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=U7RfSrcQuRamOWWjJI1BD1X5IJAeB9zPMHMT1huumAE=; b=daIUvP2fgkDg44Q7KttVzCGnVY2CC5+apqLBGn+WAZtC2QHkWgqJwJB7oP0289V0HCA88R FaUHdxpzCoZRUIlqI64KAvvP0uKfZoBLEqOPnYSnYPIR/sHoJN8EWXd0liboXaDV2d4551 Uc+/zyVedUxNk4ojob4Bv4mbw/OhTXDoQKB8RXumMUDXpsRh+qO0m5gh8JLONluvsNNEkD LhagOIc0fZiAWOuKYGQZe7PJioJ6R6hwJmHOHr97hF/DshqSQAirFpNht4Hof8eKK/SQWN esItSdNHPVo1YGvTenMJAHdZbqOGW4xAT2DVisuJBdmozNmHN9odNF95borl1A== From: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= To: Rob Herring , Frank Rowand Cc: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Lizhi Hou , Allan Nielsen , Horatiu Vultur , Steen Hegelund , Thomas Petazzoni Subject: [PATCH v1 0/2] of: populate of_root node if not set Date: Thu, 23 Jun 2022 12:50:42 +0200 Message-Id: <20220623105044.152832-1-clement.leger@bootlin.com> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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