{"id":2219287,"url":"http://patchwork.ozlabs.org/api/patches/2219287/?format=json","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=json","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=json","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=json","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 ","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; 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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 \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"]}