{"id":2197001,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2197001/?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":"2026-02-16T21:22:25","name":"[RFC,07/20] cmd: ubi: add ubi_part_from_mtd()","commit_ref":null,"pull_url":null,"state":"rfc","archived":false,"hash":"7fb7630c80fd96408888527c5b388cc9317d7241","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/e1bc542281183104a3f462c4e6da7e060e3a4efe.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/2197001/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=85.214.62.61; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)","phobos.denx.de;\n dmarc=none (p=none dis=none) header.from=makrotopia.org","phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de","phobos.denx.de; dmarc=none (p=none dis=none)\n header.from=makrotopia.org","phobos.denx.de;\n spf=pass smtp.mailfrom=daniel@makrotopia.org"],"Received":["from phobos.denx.de (phobos.denx.de [85.214.62.61])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fFG4G72TYz1xwD\n\tfor ; Tue, 17 Feb 2026 08:24:14 +1100 (AEDT)","from h2850616.stratoserver.net (localhost [IPv6:::1])\n\tby phobos.denx.de (Postfix) with ESMTP id C8BFA83E13;\n\tMon, 16 Feb 2026 22:23:06 +0100 (CET)","by phobos.denx.de (Postfix, from userid 109)\n id 156F683B8A; Mon, 16 Feb 2026 22:22:48 +0100 (CET)","from pidgin.makrotopia.org (pidgin.makrotopia.org\n [IPv6:2a07:2ec0:3002::65])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits))\n (No client certificate requested)\n by phobos.denx.de (Postfix) with ESMTPS id 373398063E\n for ; Mon, 16 Feb 2026 22:22:46 +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 1vs633-000000002hU-0kO7; Mon, 16 Feb 2026 21:22:29 +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 21:22:25 +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 07/20] cmd: ubi: add ubi_part_from_mtd()","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 ubi_part_from_mtd() which attaches UBI to a given struct mtd_info\ndirectly, without going through the name-based lookup that ubi_part()\nuses. This is useful for callers that already hold a reference to the\nMTD device, e.g. after finding it via its device-tree node.\n\nIf the same MTD device is already attached, the function returns\nimmediately.\n\nDeclared in include/ubi_uboot.h alongside ubi_part().\n\nSigned-off-by: Daniel Golle \n---\n cmd/ubi.c | 23 +++++++++++++++++++++++\n include/ubi_uboot.h | 1 +\n 2 files changed, 24 insertions(+)","diff":"diff --git a/cmd/ubi.c b/cmd/ubi.c\nindex ca7d657aa07..9f73c36aaa9 100644\n--- a/cmd/ubi.c\n+++ b/cmd/ubi.c\n@@ -662,6 +662,29 @@ static int ubi_detach(void)\n \treturn 0;\n }\n \n+int ubi_part_from_mtd(struct mtd_info *mtd)\n+{\n+\tint err;\n+\n+\tif (ubi && ubi->mtd == mtd) {\n+\t\tprintf(\"UBI partition '%s' already selected\\n\", mtd->name);\n+\t\treturn 0;\n+\t}\n+\n+\tubi_detach();\n+\n+\terr = ubi_dev_scan(mtd, NULL);\n+\tif (err) {\n+\t\tprintf(\"UBI init error %d\\n\", err);\n+\t\tprintf(\"Please check, if the correct MTD partition is used (size big enough?)\\n\");\n+\t\treturn err;\n+\t}\n+\n+\tubi = ubi_devices[0];\n+\n+\treturn 0;\n+}\n+\n int ubi_part(char *part_name, const char *vid_header_offset)\n {\n \tstruct mtd_info *mtd;\ndiff --git a/include/ubi_uboot.h b/include/ubi_uboot.h\nindex 92892704d0a..8f3fb007b0e 100644\n--- a/include/ubi_uboot.h\n+++ b/include/ubi_uboot.h\n@@ -48,6 +48,7 @@ extern int ubi_mtd_param_parse(const char *val, struct kernel_param *kp);\n extern int ubi_init(void);\n extern void ubi_exit(void);\n extern int ubi_part(char *part_name, const char *vid_header_offset);\n+int ubi_part_from_mtd(struct mtd_info *mtd);\n extern int ubi_volume_write(char *volume, void *buf, loff_t offset, size_t size);\n extern int ubi_volume_read(char *volume, char *buf, loff_t offset, size_t size);\n struct ubi_volume *ubi_find_volume(const char *volume);\n","prefixes":["RFC","07/20"]}