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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=1715; i=krzysztof.kozlowski@oss.qualcomm.com; h=from:subject:message-id; bh=GAS9AEe5svij+iU9HSZ0g+GWVfBCriapq27kDniovIo=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBpW722LmpKz6ga22yVNigaxc6TbG9MFhD0lOLYz 7KcR095lKmJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCaVu9tgAKCRDBN2bmhouD 1838D/93vCXd+UZrPicCNSlGq0pDKnZ06PbiU5ryxUc4AR5JcGFQz041BCQ5MQfeOzIBlHThKzE akOLKKjAfTtHE+UfhdJzn2EXuHduDj3kbSkhi9/HR+pPEyZDcH7uHCn7mcIEtryrN5z6MzTzQkc /AxXVgKCr2N33F/AY4eVdpVPIiCYHk7Rcb7xs69cEeFgkNFFzC8scDEayJq8Ijy43NeBkiHHL89 hpmE/KT4gu/Fkl8QUkxldwLMP9SqvbfDrXsTkt4BWiGM40zzIWe2P+xYjqs3ckIhVNIIX8gO0XS hnMNRXTxZHe17ZJgVclUuGVZEmoWoEH0iVxOiUS8RIN0E38lj6LFICvgQESkxmBzVRlJvHNnNFJ 1rNigrMb/Xrx0MgSu8+VcKRKB5IVpemev7bAmGMuZFYzP/nfdKsFXDRpUzl9mJkV9nzAtqrmN/S VcV6jhBDOq18cIxjBk/hr/95kstkCb8jld23pYvf2ebPDIdlkFXVNBNOerNtZWBbmGBFLidmpUV CHm7AgPKg8LscfMZrKZyl6FNKScZw0YkO5RIz19HyBrq0Gh1nvdsccqFlRVa5rk6YoUNrMKy3pG ygYnP7LfU1nqPXDEBnkl0AQnb9Se8tdpGrNjNtbff/7bOGrGHVAIBvJSI06DriCEf2ZpHh2RtLj SeI2gkRt4EdtVBw== X-Developer-Key: i=krzysztof.kozlowski@oss.qualcomm.com; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA1MDExOCBTYWx0ZWRfXz9FY7DJfu+ah OlBElRpEo9z9iAM6WpRhjCrhX8srY/gqQztvOswWe7nqjXQgjOT2uVmjmPxYPI/r0JjdfOeUrQO MINb/K/KRaqGbIxz/TkDr+sAshHkvVFhX9qvQWHZ23KHCCptmE5t97NpO2VhT8juejtj9cO7ys2 lNJuctewcYnCi1jERN4YfELEeQHHD/pyhV619RKJeq0wdr4uW6q2dJniVke6dt07n1iPn3YLNvN q5PGpL6adMCdj/t1jOWSUNE9UeVhF0DPWZqv2VpmhZtqWSIMpq/bidAfUnyRgIaq0iuFvwIGjU7 VqNJov5gUjTpGeQ1CxXPGBi4aDX/1++BFZqKKZGpNHzp9zTie5Y6BfbpjStOVWzwQ6GOudmeXHZ Wva2FmiGrUilXSl74eZ1eIfn2s4IOZpohrZf2jAQapHx4quuQksQej/DObKSgljqU/lV5LaliWz 0+t0BeZGjTzI3dBxLcQ== X-Proofpoint-GUID: zFhbI3AcA7WHBjpMe1RyygpxKIv36xTf X-Authority-Analysis: v=2.4 cv=RrbI7SmK c=1 sm=1 tr=0 ts=695bbdc7 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=fqHlcV494ISa_mgYehwA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-ORIG-GUID: zFhbI3AcA7WHBjpMe1RyygpxKIv36xTf 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_01,2025-12-31_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 spamscore=0 impostorscore=0 malwarescore=0 suspectscore=0 adultscore=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601050118 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 Reviewed-by: Jonathan Cameron --- Prerequisite for all further patches. --- .clang-format | 1 + include/linux/of.h | 7 +++++++ 2 files changed, 8 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)) --=20 2.51.0