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Fri, 03 Jul 2026 12:40:13 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-30f290b6bc2sm10065845eec.27.2026.07.03.12.39.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jul 2026 12:40:13 -0700 (PDT) From: Mukesh Ojha To: Bjorn Andersson , Konrad Dybcio , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Joel Stanley , Andrew Jeffery , Paul Cercueil , Anitha Chrisanthus , Paul Kocialkowski , Linus Walleij , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Alexey Brodkin , Laurent Pinchart , Tomi Valkeinen , Michal Simek , Daniel Scally , Jacopo Mondi , Mauro Carvalho Chehab , Eddie James , Tiffany Lin , Andrew-CT Chen , Yunfei Dong , Minghsiu Tsai , Houlong Wei , Matthias Brugger , AngeloGioacchino Del Regno , Joseph Liu , Marvin Lin , Dmitry Osipenko , Krzysztof Kozlowski , Thierry Reding , Jonathan Hunter , Srinivas Kandagatla , Arnd Bergmann , Greg Kroah-Hartman , Ge Gordon , Adrian Hunter , Ulf Hansson , Rob Herring , Saravana Kannan , Mathieu Poirier , Jaroslav Kysela , Takashi Iwai , Shengjiu Wang , Xiubo Li , Liam Girdwood , Mark Brown , Frank Li , Sascha Hauer , Peter Ujfalusi , Bard Liao , Daniel Baluta , Orson Zhai , Baolin Wang , Peter Chen , Fugang Duan Cc: Ekansh Gupta , BST Linux Kernel Upstream Group , Fabio Estevam , Nicolin Chen , Pengutronix Kernel Team , Kai Vehmanen , Pierre-Louis Bossart , Vijendar Mukunda , Chunyan Zhang , CIX Linux Kernel Upstream Group , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-media@vger.kernel.org, openbmc@lists.ozlabs.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, linux-tegra@vger.kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-staging@lists.linux.dev, linux-sound@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, imx@lists.linux.dev, sound-open-firmware@alsa-project.org, Mukesh Ojha Subject: [PATCH 02/42] of: reserved_mem: Add devm_of_reserved_mem_device_init_by_name() Date: Sat, 4 Jul 2026 01:08:15 +0530 Message-ID: <20260703193855.110619-3-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260703193855.110619-1-mukesh.ojha@oss.qualcomm.com> References: <20260703193855.110619-1-mukesh.ojha@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: Ry-AyDodN6RfZQ3FxXMaN6Do0FnN8s8C X-Proofpoint-ORIG-GUID: Ry-AyDodN6RfZQ3FxXMaN6Do0FnN8s8C X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAzMDE5OCBTYWx0ZWRfX+yzFLB2pENLG zYmFHAbgJcpE145gxbl1sc8OkzkSwBqtjZHJjTTGmiGZbFn3UEiVUISLZRdvOwZIEi9SZtkbZwa 5KoT7goifESa2HZmAKwu+QbcvQ8WOW0= X-Authority-Analysis: v=2.4 cv=Yuc/gYYX c=1 sm=1 tr=0 ts=6a48101f cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=K3bnyJ_z4bF7bLuR74EA:9 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAzMDE5OCBTYWx0ZWRfX1SUXINgyB7ya zQwIoLKYbjGBM2DBYsR+pB4MG3RxusXWst5elKE4BFmY0elUAN3m2/qWsXs1xL/+5Dx5pWeS1IB dhuya9PNnSafbcyePrv36LvgHxbfeKCaPc/pVYPrfv+Ho4S5jZmigbGJnmA1CkMUk6wQkazsWK3 xD4QsUmwEPNdZeYohq2/ETI7+Byk5IkZTnvrCCq6VdrQwfUdeBx5ou76FQ3bIsF/3BBG9q/nDix 1zcIEgNFRyHjwbWBW3LELy1fK9DJ35P131qh+BHRHNDKjWzn2ey8eaysxQ9QXCSeSoqQQ+SaPWl auLnvZBKj/vvqO8zL3opc92HumQ1UYxq7RxiChWAS6BslVthshRjvi58OaSMk+7niFnOTrTLJVl vEAFX2VTSvJ5OaSMnt7vJTgrpmqQe5/nBL9Mv4rME0sJk1TEW3Y9daQo685MWsy9zPsO2mnNK9y tQ7S4ThmHkant2P2+kQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-03_03,2026-07-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 impostorscore=0 suspectscore=0 phishscore=0 bulkscore=0 clxscore=1015 adultscore=0 priorityscore=1501 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607030198 Add a resource managed inline wrapper for of_reserved_mem_device_init_by_name() to complement the existing devm_of_reserved_mem_device_init_by_idx() and devm_of_reserved_mem_device_init() helpers. Signed-off-by: Mukesh Ojha --- include/linux/of_reserved_mem.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h index b9fd78123d77..52aacdbf432c 100644 --- a/include/linux/of_reserved_mem.h +++ b/include/linux/of_reserved_mem.h @@ -133,4 +133,25 @@ static inline int devm_of_reserved_mem_device_init(struct device *dev) return devm_of_reserved_mem_device_init_by_idx(dev, dev->of_node, 0); } +/** + * devm_of_reserved_mem_device_init_by_name() - Resource managed of_reserved_mem_device_init_by_name + * @dev: Pointer to the device to configure + * @np: Pointer to the device node with 'memory-region' property + * @name: Name of the selected memory region + * + * This is a resource managed version of of_reserved_mem_device_init_by_name(). + * The reserved memory region will be released automatically when the device + * is unbound. + * + * Returns error code or zero on success. + */ +static inline int devm_of_reserved_mem_device_init_by_name(struct device *dev, + struct device_node *np, + const char *name) +{ + int idx = of_property_match_string(np, "memory-region-names", name); + + return devm_of_reserved_mem_device_init_by_idx(dev, np, idx); +} + #endif /* __OF_RESERVED_MEM_H */ -- 2.53.0