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[93.34.88.122]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-483bd68826asm772625095e9.0.2026.03.03.05.29.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2026 05:29:28 -0800 (PST) From: Christian Marangi To: Tom Rini , Simon Glass , Casey Connolly , Christian Marangi , Peng Fan , Quentin Schulz , Harsha Vardhan V M , Neha Malcom Francis , Chen-Yu Tsai , Jamie Gibbons , Justin Klaassen , Leo Yu-Chi Liang , Weijie Gao , Marek Vasut , "Lucien.Jheng" , Sky Huang , Alif Zakuan Yuslaimi , u-boot@lists.denx.de Subject: [PATCH 3/5] misc: fw_loader: implement generic get_fw_loader_from_node() Date: Tue, 3 Mar 2026 14:29:10 +0100 Message-ID: <20260303132916.5502-4-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260303132916.5502-1-ansuelsmth@gmail.com> References: <20260303132916.5502-1-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 loop over all the available FW loader until one is found (as it will be probed by the dedicated compatible) Signed-off-by: Christian Marangi --- drivers/misc/fw_loader/fw_loader.c | 40 ++++++++++++++++++++++++++++++ include/fw_loader.h | 13 ++++++++++ 2 files changed, 53 insertions(+) diff --git a/drivers/misc/fw_loader/fw_loader.c b/drivers/misc/fw_loader/fw_loader.c index 6459ba23a15b..e477a631fae3 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 #include "internal.h" @@ -67,6 +68,45 @@ int generic_fw_loader_probe(struct udevice *dev) return 0; } +static int fw_loaders[] = { +#if CONFIG_IS_ENABLED(FS_LOADER) + UCLASS_FS_FIRMWARE_LOADER, +#endif +}; + +/** + * 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) +{ + int i, ret; + + node = ofnode_parse_phandle(node, "firmware-loader", 0); + if (!ofnode_valid(node)) + return -ENODEV; + + /* + * Loop over all the available FW loaders and stop when + * found one. + */ + for (i = 0; i < ARRAY_SIZE(fw_loaders); i++) { + ret = uclass_get_device_by_ofnode(fw_loaders[i], + node, dev); + if (!ret) + return 0; + } + + return -ENODEV; +} + /** * _request_firmware_prepare - Prepare firmware struct. * diff --git a/include/fw_loader.h b/include/fw_loader.h index 56f5e3be6195..d07306c0674f 100644 --- a/include/fw_loader.h +++ b/include/fw_loader.h @@ -8,6 +8,19 @@ 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. -- 2.51.0