linux-kernel - [PATCH v2 00/11] of/treewide: Simplify with for_each_compatible_node

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Message-Id: <20260106-of-for-each-compatible-scoped-v2-0-05eb948d91f2@oss.qualcomm.com>
Date: Tue, 06 Jan 2026 10:15:10 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
To: Miguel Ojeda <ojeda@...nel.org>, Rob Herring <robh@...nel.org>,
        Saravana Kannan <saravanak@...gle.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
        Bill Wendling <morbo@...gle.com>,
        Justin Stitt <justinstitt@...gle.com>,
        Russell King <linux@...linux.org.uk>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...on.dev>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Madhavan Srinivasan <maddy@...ux.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        "Christophe Leroy (CS GROUP)" <chleroy@...nel.org>,
        Nipun Gupta <nipun.gupta@....com>,
        Nikhil Agarwal <nikhil.agarwal@....com>,
        Abel Vesa <abelvesa@...nel.org>, Peng Fan <peng.fan@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>, Vinod Koul <vkoul@...nel.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        llvm@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-clk@...r.kernel.org, imx@...ts.linux.dev,
        dmaengine@...r.kernel.org, linux-media@...r.kernel.org,
        linux-pm@...r.kernel.org,
        Jonathan Cameron <jonathan.cameron@...wei.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
Subject: [PATCH v2 00/11] of/treewide: Simplify with
 for_each_compatible_node_scoped()

Dependencies/merging
====================
1. First patch is a prerequisite for entire set, so either everything
   goes via same tree, the further patches wait a cycle or stable tag is
   shared from DT tree.

2. The last media patch depends on my earlier cleanup.

Changes in v2:
- Update also scripts/dtc/dt-extract-compatibles (Rob)
- Collect tags
- Link to v1: https://patch.msgid.link/20260105-of-for-each-compatible-scoped-v1-0-24e99c177164@oss.qualcomm.com

Description
===========
Simplify for_each_compatible_node() users with a new helper -
for_each_compatible_node_scoped().

Best regards,
Krzysztof

---
Krzysztof Kozlowski (11):
      of: Add for_each_compatible_node_scoped() helper
      ARM: at91: Simplify with scoped for each OF child loop
      ARM: exynos: Simplify with scoped for each OF child loop
      powerpc/fsp2: Simplify with scoped for each OF child loop
      powerpc/wii: Simplify with scoped for each OF child loop
      cdx: Simplify with scoped for each OF child loop
      clk: imx: imx27: Simplify with scoped for each OF child loop
      clk: imx: imx31: Simplify with scoped for each OF child loop
      dmaengine: fsl_raid: Simplify with scoped for each OF child loop
      cpufreq: s5pv210: Simplify with scoped for each OF child loop
      media: samsung: exynos4-is: Simplify with scoped for each OF child loop

 .clang-format                                       |  1 +
 arch/arm/mach-at91/pm.c                             |  7 ++-----
 arch/arm/mach-exynos/exynos.c                       |  8 ++------
 arch/powerpc/platforms/44x/fsp2.c                   |  5 +----
 arch/powerpc/platforms/embedded6xx/hlwd-pic.c       |  4 +---
 drivers/cdx/cdx.c                                   |  4 +---
 drivers/clk/imx/clk-imx27.c                         |  7 ++-----
 drivers/clk/imx/clk-imx31.c                         |  7 ++-----
 drivers/cpufreq/s5pv210-cpufreq.c                   | 10 ++++------
 drivers/dma/fsl_raid.c                              |  4 +---
 drivers/media/platform/samsung/exynos4-is/fimc-is.c |  8 +++-----
 include/linux/of.h                                  |  7 +++++++
 scripts/dtc/dt-extract-compatibles                  |  1 +
 13 files changed, 28 insertions(+), 45 deletions(-)
---
base-commit: 4d27ce1b1abefb22e277e715901cc52acdc5af2c
change-id: 20260105-of-for-each-compatible-scoped-285b3dbda253

Best regards,
-- 
Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>