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[93.34.88.103]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-4922f9cd140sm91326895e9.0.2026.06.16.12.18.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Jun 2026 12:18:57 -0700 (PDT) From: Christian Marangi To: Simon Glass , Tom Rini , Mattijs Korpershoek , Heiko Schocher , Marek Vasut , Dinesh Maniyam , Martin Schwan , "Markus Schneider-Pargmann (TI.com)" , "Lucien.Jheng" , Christian Marangi , Neil Armstrong , Michal Simek , Casey Connolly , Peng Fan , Mateus Lima Alves , Neha Malcom Francis , Jamie Gibbons , Leo Yu-Chi Liang , Quentin Schulz , Weijie Gao , Alif Zakuan Yuslaimi , Sky Huang , Randolph Sapp , Heinrich Schuchardt , u-boot@lists.denx.de Subject: [PATCH v7 3/7] misc: fw_loader: implement generic get_fw_loader_from_node() Date: Tue, 16 Jun 2026 21:18:38 +0200 Message-ID: <20260616191845.6182-4-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260616191845.6182-1-ansuelsmth@gmail.com> References: <20260616191845.6182-1-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-uclass.c | 23 +++++++++++++++++++++++ include/fw_loader.h | 14 ++++++++++++++ 2 files changed, 37 insertions(+) diff --git a/drivers/misc/fw_loader/fw_loader-uclass.c b/drivers/misc/fw_loader/fw_loader-uclass.c index 25bad7f7d701..d77d877a9eaa 100644 --- a/drivers/misc/fw_loader/fw_loader-uclass.c +++ b/drivers/misc/fw_loader/fw_loader-uclass.c @@ -9,6 +9,8 @@ #include #include #include +#include +#include #include #if CONFIG_IS_ENABLED(CMD_UBIFS) @@ -108,6 +110,27 @@ UCLASS_DRIVER(fw_loader) = { .per_device_auto = sizeof(struct firmware), }; +int get_fw_loader_from_node(ofnode node, struct udevice **dev) +{ + struct udevice *fw_dev; + int 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..99c47380a172 100644 --- a/include/fw_loader.h +++ b/include/fw_loader.h @@ -6,8 +6,22 @@ #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. + * + * 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); + /** * request_firmware_into_buf - Load firmware into a previously allocated buffer. * @dev: An instance of a driver. -- 2.53.0