{"id":2232264,"url":"http://patchwork.ozlabs.org/api/patches/2232264/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260504091023.v2.1.d2ced6516d3db067379940b538830e60968dbf6c@changeid/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/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,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260504091023.v2.1.d2ced6516d3db067379940b538830e60968dbf6c@changeid>","list_archive_url":null,"date":"2026-05-04T07:10:23","name":"[v2] virtio: fix boot device hunting in qemu with virtio","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5e926f0a216f38257e0f55cac3e25d0837e33520","submitter":{"id":90265,"url":"http://patchwork.ozlabs.org/api/people/90265/?format=json","name":"Ludwig Nussel","email":"ludwig.nussel@siemens.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260504091023.v2.1.d2ced6516d3db067379940b538830e60968dbf6c@changeid/mbox/","series":[{"id":502618,"url":"http://patchwork.ozlabs.org/api/series/502618/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=502618","date":"2026-05-04T07:10:23","name":"[v2] virtio: fix boot device hunting in qemu with virtio","version":2,"mbox":"http://patchwork.ozlabs.org/series/502618/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2232264/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2232264/checks/","tags":{},"related":[],"headers":{"Return-Path":"<u-boot-bounces@lists.denx.de>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=siemens.com header.i=ludwig.nussel@siemens.com\n header.a=rsa-sha256 header.s=fm2 header.b=JO4Gr7d5;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; 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Mon,  4 May 2026 09:11:24 +0200 (CEST)","from mta-64-228.siemens.flowmailer.net\n (mta-64-228.siemens.flowmailer.net [185.136.64.228])\n (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n (No client certificate requested)\n by phobos.denx.de (Postfix) with ESMTPS id 043DC83EF9\n for <u-boot@lists.denx.de>; Mon,  4 May 2026 09:11:21 +0200 (CEST)","by mta-64-228.siemens.flowmailer.net with ESMTPSA id\n 2026050407112088b69a3dae0002070e for <u-boot@lists.denx.de>;\n Mon, 04 May 2026 09:11:20 +0200"],"X-Spam-Checker-Version":"SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de","X-Spam-Level":"","X-Spam-Status":"No, score=-3.2 required=5.0 tests=BAYES_00,DKIMWL_WL_MED,\n DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,\n RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,\n SPF_HELO_PASS,SPF_NONE autolearn=ham autolearn_force=no version=3.4.2","DKIM-Signature":"v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm2;\n d=siemens.com; i=ludwig.nussel@siemens.com;\n h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc;\n bh=LThfucZeKYpC6YnkyVKLCVOU0TXulTxDPwfmAtb+AoE=;\n b=JO4Gr7d58v5b5HqPPaqMt+8gF9HuerOmoS7lc2Ea8ASxjP5t/X6cbPQtt+vabC4PjTysse\n zK/kXeO0/yIkVFnp2D8OabxcvJcaUU2hIW+tVKYtqxpEW/TSDlweKDvyxf/zOSNGbvg4vVeQ\n 6rLDjMXE6ULBk+T6MJVV5fqQ1yb93pT4iY/KIBGdAYGfmVz54RLntBkq66Pk3jYWG+0+Tuyq\n Tu0yzf/jPn/PPBD2kcUFGF2ds8DRm0mkO21baL6SAuydW7DE+vN+LHzERswwNf0bJgTxnrW6\n VyDobjfYgr+z/52XCFgYoRLz+39A2v99Dz0F910FuPj7nYKqTn9kkR7Q==;","From":"Ludwig Nussel <ludwig.nussel@siemens.com>","To":"u-boot@lists.denx.de","Cc":"Ludwig Nussel <ludwig.nussel@siemens.com>, Bin Meng <bmeng.cn@gmail.com>,\n Daniel Palmer <daniel@thingy.jp>, Kuan-Wei Chiu <visitorckw@gmail.com>,\n Tom Rini <trini@konsulko.com>","Subject":"[PATCH v2] virtio: fix boot device hunting in qemu with virtio","Date":"Mon,  4 May 2026 09:10:23 +0200","Message-ID":"\n <20260504091023.v2.1.d2ced6516d3db067379940b538830e60968dbf6c@changeid>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Flowmailer-Platform":"Siemens","Feedback-ID":"519:519-1328817:519-21489:flowmailer","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion <u-boot.lists.denx.de>","List-Unsubscribe":"<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>","List-Archive":"<https://lists.denx.de/pipermail/u-boot/>","List-Post":"<mailto:u-boot@lists.denx.de>","List-Help":"<mailto:u-boot-request@lists.denx.de?subject=help>","List-Subscribe":"<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" <u-boot-bounces@lists.denx.de>","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"Commit 70101c3217ae (\"virtio: mmio: Return error codes on probe\nfailures\") returns -ENODEV where it would return 0 before. That path is\napparently hit in qemu and breaks boot device discovery\n(virtio_bootdev_hunt() expects only ENOENT). So return -ENOENT in\nthat path instead.\nThe remaining two error returns in the function are untouched as I\ndon't know where they play a role.\n\nSigned-off-by: Ludwig Nussel <ludwig.nussel@siemens.com>\n\n---\n\nChanges in v2:\n - return ENOENT in probe()\n\n drivers/virtio/virtio_mmio.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c\nindex 62afe609ec0..d90d8309f99 100644\n--- a/drivers/virtio/virtio_mmio.c\n+++ b/drivers/virtio/virtio_mmio.c\n@@ -372,7 +372,7 @@ static int virtio_mmio_probe(struct udevice *udev)\n \t\t * virtio-mmio device with an ID 0 is a (dummy) placeholder\n \t\t * with no function. End probing now with no error reported.\n \t\t */\n-\t\treturn -ENODEV;\n+\t\treturn -ENOENT;\n \t}\n \tuc_priv->vendor = readl(priv->base + VIRTIO_MMIO_VENDOR_ID);\n \n","prefixes":["v2"]}