{"id":2197000,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2197000/?format=json","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.0/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"","date":"2026-02-16T21:22:14","name":"[RFC,06/20] mtd: set flash_node on DT-created partitions","commit_ref":null,"pull_url":null,"state":"rfc","archived":false,"hash":"5bf7448908e25f37e71d0cbc5a3fff9225a5364b","submitter":{"id":64091,"url":"http://patchwork.ozlabs.org/api/1.0/people/64091/?format=json","name":"Daniel Golle","email":"daniel@makrotopia.org"},"delegate":{"id":3651,"url":"http://patchwork.ozlabs.org/api/1.0/users/3651/?format=json","username":"trini","first_name":"Tom","last_name":"Rini","email":"trini@ti.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/e21bf2c12eb5a4b7954f50c8739655d749e6d38e.1771275704.git.daniel@makrotopia.org/mbox/","series":[{"id":492351,"url":"http://patchwork.ozlabs.org/api/1.0/series/492351/?format=json","date":"2026-02-16T21:21:14","name":"boot: add OpenWrt boot method and on-demand FIT loading","version":1,"mbox":"http://patchwork.ozlabs.org/series/492351/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2197000/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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Mon, 16 Feb 2026 22:22:35 +0100 (CET)","from local\n by pidgin.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256)\n (Exim 4.99) (envelope-from )\n id 1vs62r-000000002gW-456D; Mon, 16 Feb 2026 21:22:18 +0000"],"X-Spam-Checker-Version":"SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de","X-Spam-Level":"","X-Spam-Status":"No, score=-1.9 required=5.0 tests=BAYES_00,\n RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham\n autolearn_force=no version=3.4.2","Date":"Mon, 16 Feb 2026 21:22:14 +0000","From":"Daniel Golle ","To":"Tom Rini , Simon Glass ,\n Quentin Schulz ,\n Daniel Golle ,\n Kory Maincent ,\n Mattijs Korpershoek ,\n Martin Schwan , Anshul Dalal ,\n Ilias Apalodimas ,\n Sughosh Ganu , Aristo Chen ,\n\t=?utf-8?b?54mbIOW/l+Wujw==?= ,\n Marek Vasut ,\n Heinrich Schuchardt ,\n Wolfgang Wallner ,\n Frank Wunderlich ,\n David Lechner ,\n Osama Abdelkader ,\n Mikhail Kshevetskiy ,\n Michael Trimarchi ,\n Miquel Raynal ,\n Andrew Goodbody ,\n Yegor Yefremov ,\n Mike Looijmans ,\n Weijie Gao ,\n Alexander Stein ,\n Neil Armstrong ,\n Mayuresh Chitale ,\n Paul HENRYS , u-boot@lists.denx.de","Cc":"John Crispin , Paul Spooren ","Subject":"[RFC PATCH 06/20] mtd: set flash_node on DT-created partitions","Message-ID":"\n ","References":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=us-ascii","Content-Disposition":"inline","In-Reply-To":"","X-Mailman-Approved-At":"Mon, 16 Feb 2026 22:22:55 +0100","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","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"},"content":"add_mtd_partitions_of() creates MTD partition slaves from device-tree\nsub-nodes but never stores the originating ofnode on the partition.\nThis means there is no way to match a registered MTD partition back\nto its DT node.\n\nSet slave->flash_node = child right after allocate_partition() so\nthat every DT-created partition carries a reference to its DT node.\nThis will be used by the image_loader UBI backend to find the MTD\npartition that corresponds to a 'compatible = \"linux,ubi\"' node.\n\nSigned-off-by: Daniel Golle \n---\n drivers/mtd/mtdpart.c | 2 ++\n 1 file changed, 2 insertions(+)","diff":"diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c\nindex f3b7f1ee13c..eac7215907b 100644\n--- a/drivers/mtd/mtdpart.c\n+++ b/drivers/mtd/mtdpart.c\n@@ -940,6 +940,8 @@ int add_mtd_partitions_of(struct mtd_info *master)\n \t\tif (IS_ERR(slave))\n \t\t\treturn PTR_ERR(slave);\n \n+\t\tslave->flash_node = child;\n+\n \t\tmutex_lock(&mtd_partitions_mutex);\n \t\tlist_add_tail(&slave->node, &master->partitions);\n \t\tmutex_unlock(&mtd_partitions_mutex);\n","prefixes":["RFC","06/20"]}