linux-kernel - [PATCH v2 2/3] Documentation/process: maintainer-soc: add clean platforms profile

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Message-Id: <20230719143309.204766-2-krzysztof.kozlowski@linaro.org>
Date:   Wed, 19 Jul 2023 16:33:08 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, workflows@...r.kernel.org,
        linux-doc@...r.kernel.org, arm@...nel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v2 2/3] Documentation/process: maintainer-soc: add clean platforms profile

Some SoC platforms require that commits must not bring any new
dtbs_check warnings.  Maintainers of such platforms usually have some
automation set, so any new warning will be spotted sooner or later.
Worst case: they run the tests themselves.  Document requirements for
such platforms, so contributors can expect their patches being dropped
or ignored, if they bring new warnings for existing boards.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>

---

Changes in v2:
1. Add Rb tag.
2. Implement Conor's feedback: change doc title, follow->should follow,
   minor style changes.
---
 .../process/maintainer-handbooks.rst          |  1 +
 .../process/maintainer-soc-clean-dts.rst      | 23 +++++++++++++++++++
 MAINTAINERS                                   |  2 +-
 3 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/process/maintainer-soc-clean-dts.rst

diff --git a/Documentation/process/maintainer-handbooks.rst b/Documentation/process/maintainer-handbooks.rst
index 9992bfd7eaa3..976391cec528 100644
--- a/Documentation/process/maintainer-handbooks.rst
+++ b/Documentation/process/maintainer-handbooks.rst
@@ -17,5 +17,6 @@ Contents:
 
    maintainer-netdev
    maintainer-soc
+   maintainer-soc-clean-dts
    maintainer-tip
    maintainer-kvm-x86
diff --git a/Documentation/process/maintainer-soc-clean-dts.rst b/Documentation/process/maintainer-soc-clean-dts.rst
new file mode 100644
index 000000000000..c460923f39be
--- /dev/null
+++ b/Documentation/process/maintainer-soc-clean-dts.rst
@@ -0,0 +1,23 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============================================
+SoC Platforms with DTS Compliance Requirements
+==============================================
+
+Overview
+--------
+
+SoC platforms or subarchitectures should follow all the rules from
+Documentation/process/maintainer-soc.rst.  However platforms referencing
+this document impose additional requirements listed below.
+
+Strict DTS DT Schema Compliance
+-------------------------------
+
+No changes to the SoC platform Devicetree sources (DTS files) should introduce
+new ``make dtbs_check W=1`` warnings.  The platform maintainers have automation
+in place which should point out any new warnings.
+
+If a commit introducing new warning gets accepted somehow, the resulting issues
+shall be fixed in reasonable time (e.g. within one release) or the commit
+reverted.
diff --git a/MAINTAINERS b/MAINTAINERS
index ba5e7344f30e..a70c32790427 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1573,7 +1573,7 @@ S:	Maintained
 P:	Documentation/process/maintainer-soc.rst
 C:	irc://irc.libera.chat/armlinux
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git
-F:	Documentation/process/maintainer-soc.rst
+F:	Documentation/process/maintainer-soc*.rst
 F:	arch/arm/boot/dts/Makefile
 F:	arch/arm64/boot/dts/Makefile
 
-- 
2.34.1