From nobody Tue Feb 10 05:42:04 2026 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 70D4D364EA3 for ; Fri, 9 Jan 2026 16:58:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767977893; cv=none; b=VsyHxK0rDj2x1IWJIwpZyOPi2IXOET0SG8luA5fxDj6vhGcz1IT/7goNr346BHxvH/gB4URcFxcLwDvx0CjzP3Vx0fiH23lOFni3vOReLcWBpkLlPxjIOvpKH3haiSSTaexRM1/ENvNLOvznzUZ+5UYqH2gsO2YrZojbVedicW4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767977893; c=relaxed/simple; bh=/vmRDAbY7uS1UoozvlR9f7hg8o56xUtijAL2sU3FXNw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=J3ePvxTG4l5LbDFn4zR07caFvQk6Otlqua6Jl6b3OSUn/0qHOBc1F4fnQb2qMjwfte5A5+2kwdSC9FieklkRc3pEDnuYCMj8bgRDl9GBNdNtU5yOdN0cIBq51s7VZAEWLJmB1ifj5kbr9N7130XBG4aDMbES+7SPoLUhGBjvN0U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=T/T1wnZq; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=XXFeCR7O; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="T/T1wnZq"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="XXFeCR7O" Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 609DIj8B1701852 for ; Fri, 9 Jan 2026 16:58:10 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= qTsZzzQjLQdLtv9m8IuzwsIR3tyk5XoO7YmtPsNR0j4=; b=T/T1wnZqVNpxiZp5 hD+LFonCaQQAFUllDlTuU68BvCYFxaJ+DKJcdJ0VdJjZ9V0EulEXir1pbSlxoTQc PAK0TPhlKXzOONBBjHcXOGB2fazcViaO9itphbnlLfDKHxUaD9Ok79bMH2dmz1l9 fsmIO/JUYI1gvZR4E6lWUN/TALDirKH6zoTGvKi47pvt7i6vF/3JdK/GNjXkpidC kSc8hpHnDBQL2GjIMYUHGIPZ6TND8NTY3H5W/MfPJP2uxhT6gmjXEy9ueF5U+8Wb SlBU8BfQ+tfnSnrMASPNhDP8b8FyMfvqGfp3KRNJSkEPmMFSMfladaeu1M0KS+nX dZXMNQ== Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4bjfdac1ww-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 09 Jan 2026 16:58:10 +0000 (GMT) Received: by mail-qk1-f197.google.com with SMTP id af79cd13be357-8b259f0da04so1111196885a.0 for ; Fri, 09 Jan 2026 08:58:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1767977890; x=1768582690; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=qTsZzzQjLQdLtv9m8IuzwsIR3tyk5XoO7YmtPsNR0j4=; b=XXFeCR7O1jI3wOLaHKDs2GfUlae/5e1GsVFxnUwMdZPHUOQp3qNhCoXdTF9KxN/JGL 5r13yL7qIKu5RqYyhDAPSt48qOdfp04wqiizGy0jvn7MuTl/pvAJ8q0e57HRWWtnTTRw PDCWy/WbQnmWPihXplM3BHQ0M8G3jB1unsfAETxdrq4VbpmPVayv8TFCyGBs758DzctS v2s9dKD3Fp7ARkrfMAGsmzofvfcrC7VrLdLTJnRU4N8CbwDCcQfoTOHRiiGnazKrKahP w/sWMrRAVPQyO5l27Xi48/VGdtIYjmfPisNW97iEU6Y1BknFSNGIYGbmo3y5AFK4eO0x detQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767977890; x=1768582690; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=qTsZzzQjLQdLtv9m8IuzwsIR3tyk5XoO7YmtPsNR0j4=; b=K8kOHo3iUttRkxhkc8f5yHSzeD/gUeXaie8YfY3Pa1Z6UsmyfDyJ4Z4AgfuSCM4AnN Ww1rhXNfeghGTZHMGCdZlVOajSJS8kPHkq9hCbl9e8QZr/27Cd0s8h+RrY5WMMb9v/1V 6p6sqdhZcRpJPMIz/k61Yyirb8kR0MmR/VLvBXHpnDCPAYqHXIV3riI+T8xS6OCRWUct 28lJvd4U2mD3UNKlHciivhrqRQSbet+LM3VY4X4QCKIlvF71pvbo/n5vEu0twyhV9A7y dAVPMvPWphP9qL7JxYztaPyW0kTbvizVkqPU5tMRjX+WbGWgHZLmL6ihcx5toAcPDeWf ty3A== X-Gm-Message-State: AOJu0YzdanOy8gbRwnrScKznHG1NuYZFu+j5vBJ9dWiAyw6Fg6hxqcim TIsTcWXK4r+7hNb2Bum7QWYwkFtf3S67tRQv844M2OSK965LZKZPtKHqWOjw5AI/Gg6PwHQb342 G9DetR52FS20EuZ4wUifRnHCKTSKHVDfPN2ocTs5y1qfOzZtNZFAuH3dhI4wbgxBHh8Y= X-Gm-Gg: AY/fxX7T25Nc955d/pyrzd87iwJrDrO4tmsNXGhRGXaMLg9iggI2tvfoeQH6iqvVmmR BOWW2pJ7Vhyhn3AhCFPwMrtpgMOwjf05Wa1j0vQALf0JrbkMPB0KXPOA3qSIjKeiJwawCh/PsRK Mck+kLxitd3CfW546C9JJSi6q0Qlg5oZmkNRukjGP7VSlodEKnnRuhrqQnCq+0r56i6C96bbHVG BttK/UwMb5C6hx1MSnIlICbudpuDy8/2O5a6QPjMNL2lDqHhxr6/HtPna8U/Cvw4SX2cE/4GGu4 M820Hv8QDY3v/fzvT4ZitKwR8dWYIAD3CUIBrFul+1hceMqdnGHdqpq2YE1U4T14Sj14yFPQmWF NkD21EKmeaZFiLPuRyP0k+2rqKAlJ6yHaMA== X-Received: by 2002:a05:620a:450d:b0:8c0:d16b:b09c with SMTP id af79cd13be357-8c3893f2882mr1251307685a.58.1767977889678; Fri, 09 Jan 2026 08:58:09 -0800 (PST) X-Google-Smtp-Source: AGHT+IEfygeLKT4WxsJq2f59hRzHmtCZgHcvEaJnVArr1Jk26l50+rbiaa9DJq621bHoEVLD5i4iPg== X-Received: by 2002:a05:620a:450d:b0:8c0:d16b:b09c with SMTP id af79cd13be357-8c3893f2882mr1251301585a.58.1767977889107; Fri, 09 Jan 2026 08:58:09 -0800 (PST) Received: from [127.0.1.1] ([178.197.218.229]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-432bd5ee243sm23231784f8f.31.2026.01.09.08.58.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Jan 2026 08:58:08 -0800 (PST) From: Krzysztof Kozlowski Date: Fri, 09 Jan 2026 17:57:45 +0100 Subject: [PATCH v3 01/12] of: Add for_each_compatible_node_scoped() helper Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260109-of-for-each-compatible-scoped-v3-1-c22fa2c0749a@oss.qualcomm.com> References: <20260109-of-for-each-compatible-scoped-v3-0-c22fa2c0749a@oss.qualcomm.com> In-Reply-To: <20260109-of-for-each-compatible-scoped-v3-0-c22fa2c0749a@oss.qualcomm.com> To: Miguel Ojeda , Rob Herring , Saravana Kannan , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Russell King , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Krzysztof Kozlowski , Alim Akhtar , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Nipun Gupta , Nikhil Agarwal , Abel Vesa , Peng Fan , Michael Turquette , Stephen Boyd , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Vinod Koul , Sylwester Nawrocki , Mauro Carvalho Chehab , "Rafael J. Wysocki" , Viresh Kumar Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, llvm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-clk@vger.kernel.org, imx@lists.linux.dev, dmaengine@vger.kernel.org, linux-media@vger.kernel.org, linux-pm@vger.kernel.org, Jonathan Cameron , Krzysztof Kozlowski X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2508; i=krzysztof.kozlowski@oss.qualcomm.com; h=from:subject:message-id; bh=/vmRDAbY7uS1UoozvlR9f7hg8o56xUtijAL2sU3FXNw=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBpYTORfxtpTacTz6ZE5ouIOsI5kOFpz+cbr7zLD 7GEBv5R2FiJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCaWEzkQAKCRDBN2bmhouD 1/R9D/9awDSv9Skzn4Os8FgAZhOeF+IX6AxHTJvFa9IvTukIrYSoGBHRYpZ0E0boMZR+6wG+f3C TiIx/LQwD6zud4Q0JtXfs0AQ3WWBZBsmnclpVFTDzdqwnl0YEf+OI2xR2Q1eFsI+Kb61KWrRScQ 7wD49DB6MdqQvzephOQSNS3tNRncHz22nL0/3YGj5I+JWwXp0CkH3jPFC12GoP2v9F7X5QYxnot rQpzcblFkV75PdYWX8Sm3qHfCSF3YNxO2twZNCEQmGIE3LKR5J91J6IgCfecO1mAVLVnIxKzz1S 6znhWZcLim5uKCoXLjLVdEg3Fn41FkgH4E5iyn5QWGc6iV5Ghoy21ydJcsBc/6zS+ezS3zdsjaA d8TqL/6osDfqfRNQu1Pp+2/vaU/0gT6BYIwd+Dt/Mcmw6avWhUBZH1Z/kKepP92Y0W6JHFAOKbD 4wC/PrnocUb4wMm+Q4Li5a+RA13hbJcI0/M7D9j8stwiBur/XhRU/QdQP5FEk5n2qi1FlsUd+ip NuqryOarJ+okJFf4pu7X8dAbBtYX1jeUBGbVSnoNZqFMTSfSZrjT9RC3S6zyMR2ZQiCgYwDvP7K 57ueeO+ZSE0gHgCjXlATjeQqeniZpoq4FfRTULcgQ3P3FgdBSDAuLeegLPBdSmHFtWDgscg6Xcs Q/QoA7qPzEiiMxg== X-Developer-Key: i=krzysztof.kozlowski@oss.qualcomm.com; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B X-Authority-Analysis: v=2.4 cv=Ue1ciaSN c=1 sm=1 tr=0 ts=696133a2 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=Eb9f15NH/cHKzfGOmZSO4Q==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=i0EeH86SAAAA:8 a=EUspDBNiAAAA:8 a=onCjdZOYdOMVgCgPd3IA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-ORIG-GUID: 3kxVzBsn0prAvUhpHc5wHh8Pn-K3fSKu X-Proofpoint-GUID: 3kxVzBsn0prAvUhpHc5wHh8Pn-K3fSKu X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA5MDEyOCBTYWx0ZWRfX56Uaw+72BioY CD/BVZ9Ab8hWEOVYVmoZoJ9rX9HywIRKKTVKbSi9gnonTQ4cZs7lJTXO6+dYGkKiXmneE7UyhJs 98cTdgqbK/WtD/nJ4tij5BSkgY0h0C+1AMWjmS22YXbttPx/LMpQtov/ZeubPQdvKdzt5TG3wY9 vPqSBOjv6Wqj2IMi1j4sR8EEzWulI43PQSVT/03COHOeaA1n4QC+tABlLGyHMzK16fKIZfodtzx mCNkiMW7ZfATsfCPGiEd3Ok6+sWjpIX0kBrIMhB58bqyurMZjI8Sb8N6Whj+8Z7EMez9sJ4ZaBz G2SUm1l6+VzHC54k62zkWd8NnaXQV5quptxk96qKjNJI0o5k3uO/u8TEMdOzSSlyWPqjQG//WLa Ju5MOlgSVHwlEp+IAjDSX8ILsYodGL6NvhP0ffvqhvIKB9VsUh0F6Ae6qmikSVTFMBU/EzwW5LB uX88e/y0gxz+eBGAXeg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-09_05,2026-01-08_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 suspectscore=0 phishscore=0 spamscore=0 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601090128 Just like looping through children and available children, add a scoped helper for for_each_compatible_node() so error paths can drop of_node_put() leading to simpler code. Suggested-by: Jonathan Cameron Reviewed-by: Jonathan Cameron Signed-off-by: Krzysztof Kozlowski --- Prerequisite for all further patches. --- .clang-format | 1 + include/linux/of.h | 7 +++++++ scripts/dtc/dt-extract-compatibles | 1 + 3 files changed, 9 insertions(+) diff --git a/.clang-format b/.clang-format index c7060124a47a..1cc151e2adcc 100644 --- a/.clang-format +++ b/.clang-format @@ -259,6 +259,7 @@ ForEachMacros: - 'for_each_collection' - 'for_each_comp_order' - 'for_each_compatible_node' + - 'for_each_compatible_node_scoped' - 'for_each_component_dais' - 'for_each_component_dais_safe' - 'for_each_conduit' diff --git a/include/linux/of.h b/include/linux/of.h index 9bbdcf25a2b4..be6ec4916adf 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -1485,6 +1485,13 @@ static inline int of_property_read_s32(const struct = device_node *np, #define for_each_compatible_node(dn, type, compatible) \ for (dn =3D of_find_compatible_node(NULL, type, compatible); dn; \ dn =3D of_find_compatible_node(dn, type, compatible)) + +#define for_each_compatible_node_scoped(dn, type, compatible) \ + for (struct device_node *dn __free(device_node) =3D \ + of_find_compatible_node(NULL, type, compatible); \ + dn; \ + dn =3D of_find_compatible_node(dn, type, compatible)) + #define for_each_matching_node(dn, matches) \ for (dn =3D of_find_matching_node(NULL, matches); dn; \ dn =3D of_find_matching_node(dn, matches)) diff --git a/scripts/dtc/dt-extract-compatibles b/scripts/dtc/dt-extract-co= mpatibles index 6570efabaa64..87999d707390 100755 --- a/scripts/dtc/dt-extract-compatibles +++ b/scripts/dtc/dt-extract-compatibles @@ -72,6 +72,7 @@ def parse_compatibles(file, compat_ignore_list): compat_list +=3D parse_of_functions(data, "_is_compatible") compat_list +=3D parse_of_functions(data, "of_find_compatible_node") compat_list +=3D parse_of_functions(data, "for_each_compatible_node") + compat_list +=3D parse_of_functions(data, "for_each_compatible_node_scop= ed") compat_list +=3D parse_of_functions(data, "of_get_compatible_child") =20 return compat_list --=20 2.51.0