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GET /api/patches/2216243/?format=api
{ "id": 2216243, "url": "http://patchwork.ozlabs.org/api/patches/2216243/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260326-pci-m2-e-v7-2-43324a7866e6@oss.qualcomm.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": "<20260326-pci-m2-e-v7-2-43324a7866e6@oss.qualcomm.com>", "list_archive_url": null, "date": "2026-03-26T08:06:30", "name": "[v7,2/8] serdev: Add an API to find the serdev controller associated with the devicetree node", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "8482365b37f194ba7c67be4d5283220c40da5fd4", "submitter": { "id": 91277, "url": "http://patchwork.ozlabs.org/api/people/91277/?format=api", "name": "Manivannan Sadhasivam via B4 Relay", "email": "devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260326-pci-m2-e-v7-2-43324a7866e6@oss.qualcomm.com/mbox/", "series": [ { "id": 497544, "url": "http://patchwork.ozlabs.org/api/series/497544/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=497544", "date": "2026-03-26T08:06:33", "name": "Add support for handling PCIe M.2 Key E connectors in devicetree", "version": 7, "mbox": "http://patchwork.ozlabs.org/series/497544/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216243/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216243/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-51149-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\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=VSUoMf7R;\n\tdkim-atps=neutral", "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-51149-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=\"VSUoMf7R\"", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=10.30.226.201" ], "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)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fhGgR6tFcz1y1G\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 26 Mar 2026 19:10:59 +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 BD8533040ABD\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 26 Mar 2026 08:06:43 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id C33A235DA6D;\n\tThu, 26 Mar 2026 08:06:40 +0000 (UTC)", "from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org\n [10.30.226.201])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 9951433ADAC;\n\tThu, 26 Mar 2026 08:06:40 +0000 (UTC)", "by smtp.kernel.org (Postfix) with ESMTPS id 6C1F4C2BCB1;\n\tThu, 26 Mar 2026 08:06:40 +0000 (UTC)", "from aws-us-west-2-korg-lkml-1.web.codeaurora.org\n (localhost.localdomain [127.0.0.1])\n\tby smtp.lore.kernel.org (Postfix) with ESMTP id 55653106F2F3;\n\tThu, 26 Mar 2026 08:06:40 +0000 (UTC)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1774512400; cv=none;\n b=pGopi+wxqmKjlpJtyxhQ/J+FOj5SVFwOd9935hkpHAdcjhxdv/hJ2JhDE3D4PO/6tCjk0Vw7Q7hTvbcToQVzMhWrWrCr+MOlveQMcdIUd+ghzJtmVupVJdp7eHIVJISnWPS+Uc54sbC4XXumMP2yMsyUvO3v4ZnIvGd8RApsqL4=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1774512400; c=relaxed/simple;\n\tbh=90rMoHNtpikEEOX4hxu7KxohYPZTjuhD8cCrdkwCho4=;\n\th=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References:\n\t In-Reply-To:To:Cc;\n b=CJrNPvnsp9k4EW1l5pAZGjGUfb/VsViAAbGQWYCcBILAzN8DqVa7fZh5osQzWJsQfwtVvF7HsyZh1tIJyAxX8MeNydUOxZRr4hhatGOYli5oUqsBuDiqxC57HoGr4q0R7ntJTc2MRtlweBPalh0Bp0xKg+44yBFFnG4X3Y80ub4=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=VSUoMf7R; arc=none smtp.client-ip=10.30.226.201", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1774512400;\n\tbh=90rMoHNtpikEEOX4hxu7KxohYPZTjuhD8cCrdkwCho4=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From;\n\tb=VSUoMf7RhRL6XWXGd4mB8B+FTVTqYZfDUov0jI/YT+tcrFj+ZqPFSmCYkQgAij6od\n\t ZvMhHeQLKBsDKRVJ/VdKqApFKQegyaggZYQrqwTlSf4NsPyxfo+ReuW3afaP66NqYn\n\t fs1N2SReU+iI5+bblk1v0A2Qq395tYa2zA8oSVhmoCFDE2eL6NVANUmYQPXkrboUN4\n\t n/08EUj0c/EiET7vBeT1ptYl9DPCN9hD83CE/BfoGBZzNE1QNeUYZN8kxMkKbb8DUl\n\t L/pZOJ9by1ekkiAV5z0EL+hbPZlUhS4mmkl4yDUFZgbhwTBoPUAzYIsV7hhnIHPM8Z\n\t IAiHN910O4OoA==", "From": "Manivannan Sadhasivam via B4 Relay\n <devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org>", "Date": "Thu, 26 Mar 2026 13:36:30 +0530", "Subject": "[PATCH v7 2/8] serdev: Add an API to find the serdev controller\n associated with the devicetree node", "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-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260326-pci-m2-e-v7-2-43324a7866e6@oss.qualcomm.com>", "References": "<20260326-pci-m2-e-v7-0-43324a7866e6@oss.qualcomm.com>", "In-Reply-To": "<20260326-pci-m2-e-v7-0-43324a7866e6@oss.qualcomm.com>", "To": "Rob Herring <robh@kernel.org>,\n Greg Kroah-Hartman <gregkh@linuxfoundation.org>,\n Jiri Slaby <jirislaby@kernel.org>, Nathan Chancellor <nathan@kernel.org>,\n Nicolas Schier <nicolas.schier@linux.dev>, Hans de Goede <hansg@kernel.org>,\n =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>,\n Mark Pearson <mpearson-lenovo@squebb.ca>,\n \"Derek J. Clark\" <derekjohn.clark@gmail.com>,\n Manivannan Sadhasivam <mani@kernel.org>,\n Krzysztof Kozlowski <krzk+dt@kernel.org>,\n Conor Dooley <conor+dt@kernel.org>, Marcel Holtmann <marcel@holtmann.org>,\n Luiz Augusto von Dentz <luiz.dentz@gmail.com>,\n Bartosz Golaszewski <brgl@bgdev.pl>,\n Andy Shevchenko <andriy.shevchenko@linux.intel.com>,\n Bartosz Golaszewski <brgl@kernel.org>", "Cc": "linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,\n linux-kbuild@vger.kernel.org, platform-driver-x86@vger.kernel.org,\n linux-pci@vger.kernel.org, devicetree@vger.kernel.org,\n linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org,\n linux-pm@vger.kernel.org, Stephan Gerhold <stephan.gerhold@linaro.org>,\n Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,\n linux-acpi@vger.kernel.org,\n Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>,\n Hans de Goede <johannes.goede@oss.qualcomm.com>,\n Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>", "X-Mailer": "b4 0.15.0", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=2248;\n i=manivannan.sadhasivam@oss.qualcomm.com; h=from:subject:message-id;\n bh=rr2lmVP0IC6lUnB67NHw0qDXlaCs5LnvUTeOalg9qug=;\n b=owEBbQGS/pANAwAKAVWfEeb+kc71AcsmYgBpxOkNFnPCY8rlImwmoav5x6RK0WOCh1k67UnkK\n tWxcXlgZmSJATMEAAEKAB0WIQRnpUMqgUjL2KRYJ5dVnxHm/pHO9QUCacTpDQAKCRBVnxHm/pHO\n 9XKQB/9CSXeRJwS5NhVSb4wiX3OflP1zFS299ahwT+wJ/WPmuWbeRd7xFOmfaCHyxHa3z7q4+Z4\n uOwpqWolIy+p2mDbVuDufH1pTUjYCZ4V3z63MWM6tUB4cWaUqf0Bqv09LwOiaJ60fSvgGk3I8+3\n /DhHBpnSID+mbL/nQxvlIqoWDvsi1RCHAl3TJzup7yyJq6507KDw3lXW2SesGmy1DnH3k96xt6i\n u2KunrYZaUQZx47kXE8MdNR3dQKI6oDdWNK+IjhhoHYmJUErD7jTq8Mmd33VXoKteKBL+Knjh5v\n RmR7FAslGJokUbE6ad1rbPmMnYzzLYQBQl2yY3iF+HY9GgYr", "X-Developer-Key": "i=manivannan.sadhasivam@oss.qualcomm.com; a=openpgp;\n fpr=C668AEC3C3188E4C611465E7488550E901166008", "X-Endpoint-Received": "by B4 Relay for\n manivannan.sadhasivam@oss.qualcomm.com/default with auth_id=461", "X-Original-From": "Manivannan Sadhasivam\n <manivannan.sadhasivam@oss.qualcomm.com>", "Reply-To": "manivannan.sadhasivam@oss.qualcomm.com" }, "content": "From: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>\n\nAdd of_find_serdev_controller_by_node() API to find the serdev controller\ndevice associated with the devicetree node.\n\nTested-by: Hans de Goede <johannes.goede@oss.qualcomm.com> # ThinkPad T14s gen6 (arm64)\nReviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>\nSigned-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>\n---\n drivers/tty/serdev/core.c | 19 +++++++++++++++++++\n include/linux/serdev.h | 9 +++++++++\n 2 files changed, 28 insertions(+)", "diff": "diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c\nindex 8f25510f89b6..bf88b95f7458 100644\n--- a/drivers/tty/serdev/core.c\n+++ b/drivers/tty/serdev/core.c\n@@ -514,6 +514,25 @@ struct serdev_controller *serdev_controller_alloc(struct device *host,\n }\n EXPORT_SYMBOL_GPL(serdev_controller_alloc);\n \n+#ifdef CONFIG_OF\n+/**\n+ * of_find_serdev_controller_by_node() - Find the serdev controller associated\n+ *\t\t\t\t\t with the devicetree node\n+ * @node:\tDevicetree node\n+ *\n+ * Return: Pointer to the serdev controller associated with the node. NULL if\n+ * the controller is not found. Caller is responsible for calling\n+ * serdev_controller_put() to drop the reference.\n+ */\n+struct serdev_controller *of_find_serdev_controller_by_node(struct device_node *node)\n+{\n+\tstruct device *dev = bus_find_device_by_of_node(&serdev_bus_type, node);\n+\n+\treturn (dev && dev->type == &serdev_ctrl_type) ? to_serdev_controller(dev) : NULL;\n+}\n+EXPORT_SYMBOL_GPL(of_find_serdev_controller_by_node);\n+#endif\n+\n static int of_serdev_register_devices(struct serdev_controller *ctrl)\n {\n \tstruct device_node *node;\ndiff --git a/include/linux/serdev.h b/include/linux/serdev.h\nindex 0c7d3c27d1f8..188c0ba62d50 100644\n--- a/include/linux/serdev.h\n+++ b/include/linux/serdev.h\n@@ -334,4 +334,13 @@ static inline bool serdev_acpi_get_uart_resource(struct acpi_resource *ares,\n }\n #endif /* CONFIG_ACPI */\n \n+#ifdef CONFIG_OF\n+struct serdev_controller *of_find_serdev_controller_by_node(struct device_node *node);\n+#else\n+static inline struct serdev_controller *of_find_serdev_controller_by_node(struct device_node *node)\n+{\n+\treturn NULL;\n+}\n+#endif /* CONFIG_OF */\n+\n #endif /*_LINUX_SERDEV_H */\n", "prefixes": [ "v7", "2/8" ] }