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Fri, 03 Apr 2026 06:52:21 -0700 (PDT) Received: from Ansuel-XPS24 ([217.202.87.54]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-4888a7162cesm196732895e9.13.2026.04.03.06.52.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2026 06:52:21 -0700 (PDT) From: Christian Marangi To: Tom Rini , Simon Glass , Christian Marangi , Casey Connolly , Quentin Schulz , Peng Fan , Justin Klaassen , Neha Malcom Francis , Heinrich Schuchardt , Jamie Gibbons , Leo Yu-Chi Liang , Harsha Vardhan V M , Weijie Gao , Marek Vasut , Patrice Chotard , Yao Zi , Alif Zakuan Yuslaimi , "Lucien.Jheng" , u-boot@lists.denx.de Subject: [PATCH v5 3/6] misc: fw_loader: implement generic get_fw_loader_from_node() Date: Fri, 3 Apr 2026 15:52:00 +0200 Message-ID: <20260403135205.26979-4-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260403135205.26979-1-ansuelsmth@gmail.com> References: <20260403135205.26979-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Implement a generic function to get a FW loader dev from a node. There is currently only get_fs_loader() but that is limited to chosen node and is limited only to FS loader. Introduce get_fw_loader_from_node() that will parse the "firmware-loader" from a specified node and will search and probe a matching FW loader device, if found. Signed-off-by: Christian Marangi --- drivers/misc/fw_loader/fw_loader.c | 32 ++++++++++++++++++++++++++++++ include/fw_loader.h | 15 ++++++++++++++ 2 files changed, 47 insertions(+) diff --git a/drivers/misc/fw_loader/fw_loader.c b/drivers/misc/fw_loader/fw_loader.c index 644b98de9f6c..c3d0de1b93e7 100644 --- a/drivers/misc/fw_loader/fw_loader.c +++ b/drivers/misc/fw_loader/fw_loader.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #ifdef CONFIG_CMD_UBIFS @@ -90,6 +91,37 @@ int generic_fw_loader_probe(struct udevice *dev) return 0; } +/** + * get_fw_loader_from_node - Get FW loader dev from @node. + * + * @node: ofnode where "firmware-loader" phandle is stored. + * @dev: pointer where to store the FW loader dev. + * + * Search and probe a matching FW loader device, if found. + * + * Return: Negative value if fail, 0 for successful. + */ +int get_fw_loader_from_node(ofnode node, struct udevice **dev) +{ + struct udevice *fw_dev; + int i, ret; + + node = ofnode_parse_phandle(node, "firmware-loader", 0); + if (!ofnode_valid(node)) + return -ENODEV; + + ret = device_find_global_by_ofnode(node, &fw_dev) + if (ret) + return ret; + + ret = device_probe(fw_dev); + if (ret) + return ret; + + *dev = fw_dev; + return 0; +} + /** * _request_firmware_prepare - Prepare firmware struct. * diff --git a/include/fw_loader.h b/include/fw_loader.h index 56f5e3be6195..7053c7bc6f05 100644 --- a/include/fw_loader.h +++ b/include/fw_loader.h @@ -6,8 +6,23 @@ #ifndef _FW_LOADER_H_ #define _FW_LOADER_H_ +#include + struct udevice; +/** + * get_fw_loader_from_node - Get FW loader dev from @node. + * + * @node: ofnode where "firmware-loader" phandle is stored. + * @dev: pointer where to store the FW loader dev. + * + * Loop over all the supported FW loader and find a matching + * one. + * + * Return: Negative value if fail, 0 for successful. + */ +int get_fw_loader_from_node(ofnode node, struct udevice **dev); + /** * request_firmware_into_buf - Load firmware into a previously allocated buffer. * @dev: An instance of a driver. -- 2.53.0