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GET /api/patches/2219287/?format=api
{ "id": 2219287, "url": "http://patchwork.ozlabs.org/api/patches/2219287/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260402182354.12515-1-john.madieu.xa@bp.renesas.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260402182354.12515-1-john.madieu.xa@bp.renesas.com>", "list_archive_url": null, "date": "2026-04-02T18:23:53", "name": "[v2] PCI: rzg3s-host: Treat link-down as -ENODEV instead of error", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "2126dd199760c9d0093b68c91d2566c1edd5d01d", "submitter": { "id": 89876, "url": "http://patchwork.ozlabs.org/api/people/89876/?format=api", "name": "John Madieu", "email": "john.madieu.xa@bp.renesas.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260402182354.12515-1-john.madieu.xa@bp.renesas.com/mbox/", "series": [ { "id": 498539, "url": "http://patchwork.ozlabs.org/api/series/498539/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=498539", "date": "2026-04-02T18:23:53", "name": "[v2] PCI: rzg3s-host: Treat link-down as -ENODEV instead of error", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/498539/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2219287/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219287/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-51769-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; helo=sea.lore.kernel.org;\n envelope-from=linux-pci+bounces-51769-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=210.160.252.172", "smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=bp.renesas.com", "smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=bp.renesas.com" ], "Received": [ "from sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fmrJb3dS8z1yGH\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 03 Apr 2026 05:40:31 +1100 (AEDT)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 49A6930A84B7\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 2 Apr 2026 18:33:08 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 51AA436C0DC;\n\tThu, 2 Apr 2026 18:33:07 +0000 (UTC)", "from relmlie6.idc.renesas.com (relmlor2.renesas.com\n [210.160.252.172])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id C230A248896;\n\tThu, 2 Apr 2026 18:33:05 +0000 (UTC)", "from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151])\n by relmlie6.idc.renesas.com with ESMTP; 03 Apr 2026 03:33:04 +0900", "from ubuntu.adwin.renesas.com (unknown [10.226.92.32])\n\tby relmlir5.idc.renesas.com (Postfix) with ESMTP id 19AB7400068F;\n\tFri, 3 Apr 2026 03:33:00 +0900 (JST)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1775154787; cv=none;\n b=HQA73tZVeTCEwMhc5ND0OFIi9TVU52c+0dE906IDIV/xv+sxsCbOZ4fm/5vQDlMX/ITFZaUUW0kBP9E5OGykDkd/vWm6GZMirWrS/pDGoqJMbF0sT0vtMV8M/mMTTym0DI4s6iWf6u+e7s5NZO/rdtt/q6Q8Iu+4Wo3TecS87RQ=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1775154787; c=relaxed/simple;\n\tbh=+h1S6IY/LtS6nxa6y8su80IJrFMDgvebuxUTacdGUDM=;\n\th=From:To:Cc:Subject:Date:Message-ID:MIME-Version;\n b=YuihQxFf4g1MXEwPqSyD8xGYzwW2usTzYTgLGrFMixAHwvOvvwvLdTltHcVMyg4mTk8jEV2OckfIewdixh1OT1hA3cUSrHzEkNDzH2zIsNQ2hr1ihgQK05GroCc+YU9DhlQaUjhBRhPetyva8QVcNApk7U2/5P3Vduh/8qtI3+Y=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=bp.renesas.com;\n spf=pass smtp.mailfrom=bp.renesas.com;\n arc=none smtp.client-ip=210.160.252.172", "X-CSE-ConnectionGUID": "jFfU/CcpTiu7OpgY2IVAaQ==", "X-CSE-MsgGUID": "yDG8MbmLSH+gGNnoJiOQLA==", "From": "John Madieu <john.madieu.xa@bp.renesas.com>", "To": "claudiu.beznea.uj@bp.renesas.com,\n\tlpieralisi@kernel.org,\n\tkwilczynski@kernel.org,\n\tmani@kernel.org", "Cc": "robh@kernel.org,\n\tjohn.madieu@gmail.com,\n\tbhelgaas@google.com,\n\tlinux-pci@vger.kernel.org,\n\tlinux-renesas-soc@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tJohn Madieu <john.madieu.xa@bp.renesas.com>", "Subject": "[PATCH v2] PCI: rzg3s-host: Treat link-down as -ENODEV instead of\n error", "Date": "Thu, 2 Apr 2026 20:23:53 +0200", "Message-ID": "<20260402182354.12515-1-john.madieu.xa@bp.renesas.com>", "X-Mailer": "git-send-email 2.43.0", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit" }, "content": "rzg3s_pcie_host_init() failing to establish a PCIe link does not\nnecessarily indicate a hardware or driver error; it may simply mean no\ncard is inserted. Demote the message from dev_err_probe() to dev_info()\nand return -ENODEV so the driver defers gracefully rather than printing\na spurious error.\n\nSigned-off-by: John Madieu <john.madieu.xa@bp.renesas.com>\n---\n\nChanges in v2:\n - Dropped Rb tag from Geert as patch structure changed\n - Moved link-down handling into rzg3s_pcie_host_init() instead of\n masking all errors in rzg3s_pcie_host_setup() (Claudiu)\n - Kept dev_err_probe() for real init failures, only suppress for\n -ENODEV (link down)\n\nv1:\n - https://lore.kernel.org/all/20260401143347.8463-1-john.madieu.xa@bp.renesas.com/\n\n drivers/pci/controller/pcie-rzg3s-host.c | 9 +++++++--\n 1 file changed, 7 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/pci/controller/pcie-rzg3s-host.c b/drivers/pci/controller/pcie-rzg3s-host.c\nindex d86e7516dcc2..0acc21981ee9 100644\n--- a/drivers/pci/controller/pcie-rzg3s-host.c\n+++ b/drivers/pci/controller/pcie-rzg3s-host.c\n@@ -1384,8 +1384,11 @@ static int rzg3s_pcie_host_init(struct rzg3s_pcie_host *host)\n \t\t\t\t PCIE_LINK_WAIT_SLEEP_MS * MILLI,\n \t\t\t\t PCIE_LINK_WAIT_SLEEP_MS * MILLI *\n \t\t\t\t PCIE_LINK_WAIT_MAX_RETRIES);\n-\tif (ret)\n+\tif (ret) {\n+\t\tdev_info(host->dev, \"PCIe link down!\\n\");\n+\t\tret = -ENODEV;\n \t\tgoto config_deinit_post;\n+\t}\n \n \tval = readl_relaxed(host->axi + RZG3S_PCI_PCSTAT2);\n \tdev_info(host->dev, \"PCIe link status [0x%x]\\n\", val);\n@@ -1655,7 +1658,9 @@ rzg3s_pcie_host_setup(struct rzg3s_pcie_host *host,\n \n \tret = rzg3s_pcie_host_init(host);\n \tif (ret) {\n-\t\tdev_err_probe(dev, ret, \"Failed to initialize the HW!\\n\");\n+\t\tif (ret != -ENODEV)\n+\t\t\tdev_err_probe(dev, ret, \"Failed to initialize the HW!\\n\");\n+\n \t\tgoto teardown_irqdomain;\n \t}\n \n", "prefixes": [ "v2" ] }