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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=2449; i=krzysztof.kozlowski@oss.qualcomm.com; h=from:subject:message-id; bh=9sqpJR/1PYKlbU1KPBe/Ap+/bFXa4ydA6Vbe18Jb0Ns=; b=kA0DAAoBwTdm5oaLg9cByyZiAGlc0qGhLlz6ZfK39HYRttlvAahKJuYaVofdC011WB4DswxSW okCMwQAAQoAHRYhBN3SYig9ERsjO264qME3ZuaGi4PXBQJpXNKhAAoJEME3ZuaGi4PXluYQAIby pfeW86Sd8tcvltXVqInweG9xpLLOpmCo8S4FAwxxsF/RgBLOfakmi8GOOTbB25Sv1Hd3Giw04C8 aZaH0WlBQxfZ3tV4Vv43iZkahc4XGsAIk2NydXukBkYCzB4uj8P0uHnNPlaTPIoZ0BLlg8tTbDE Nwrbd0+X56fSgUVZuC3KKQagev0lQsGb986vI97tsPdysbRfzN2IhPXrGZHkzsAev/Pg+4MmtGq wlQ5kTyL1eypzR6PMeFZcPb9kVOwfYVdQpkjIioUeo4E8uq775cJa1XiJSdC7FBvqg0Gp5NegkW n3kkNLmqPYOU7upF0/aHM4ucku1nOLWVFPKCDmHK1F7GE8N4QKzS6qHCg3KC42LZLjP7xMA+6n4 U4dLHCsul86wfKmLjTZG3MD+mXFg7efUUufDhexewui4js/WZgdiLQlwhcDQJ2ds4x6Ey0rZK6I vjytAmOhmwEGJNzzBvlF3ZQmqfCBdJPdEtRYU0MTaFvUxw3i07gXWZweU5Y+CPdNKLoOlsAgi45 sKoG+f0XDuNX0Q4W66+jqTO7sJ92ijIChypoSgUfpfwPE1X3qP+C6MZCRqPAUzJ1UV98ZLX1G3y qi9pmRK1TY8kp8cpW8Op8c7Ybo822HfkmTzQww/JhHEdJ1+D2wj1k7+1o5cGTzaW8mR8CKsiyI8 HSf8v X-Developer-Key: i=krzysztof.kozlowski@oss.qualcomm.com; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA2MDA3NyBTYWx0ZWRfXxt4JvFf3BHc4 t+bG7jLeyZKRAuNMLMugwuk5ucFqo/Ahx3D3iG3rrEUluzB0cFqb6cgzvT3lwwQAU4ecIz1iJx/ TeEtcfRa3EkEpYheWhxXcyzJG10zHAR1vNXpGpoPOOFZOGl77LskgrpYBJlhKQoC/R9XL9yBEuU fTXBjyj1VXuob4zHsXT0S/Ysg51SvkhkRwkEMFodzQe9ghPLRx+e0Ml8KyWJIEL07tb/iqc4oiT 8CEMa4Zy5fFxAWSDaJoOhfCVXAhgdV/1TxtkR3hv7CuxYcCb48P3ZH1m50VCVFC3Y+Qew1chpiV plQ2HcVXmSGCYgMZLZBTUd4yviNjCncfutvpzPhuv3Gs/rABjmlln3Jp/hycIlQCx/QcTTlaLug OHlevsP9eqhvht6BIys/CAqce3iZ0SBaoo5RoxPvBE6auWJyzKFkTONd+uFEKhnW6y6pytvqAUL J4T8+r77I/oyxUjvmkQ== X-Authority-Analysis: v=2.4 cv=bdBmkePB c=1 sm=1 tr=0 ts=695cd2b1 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==: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=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-ORIG-GUID: pyc8oRhlfT8ykxIS9-A6K7U3WoQd3aks X-Proofpoint-GUID: pyc8oRhlfT8ykxIS9-A6K7U3WoQd3aks 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=2026-01-05_02,2026-01-05_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 impostorscore=0 clxscore=1015 phishscore=0 spamscore=0 suspectscore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601060077 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 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