{"id":2220095,"url":"http://patchwork.ozlabs.org/api/patches/2220095/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260406104708.1218648-2-18255117159@163.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":"<20260406104708.1218648-2-18255117159@163.com>","list_archive_url":null,"date":"2026-04-06T10:47:06","name":"[v5,1/3] PCI: Add public pcie_valid_speed() for shared validation","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"2669b45eea7dcbce7fc0ffadaf64e5cfcaa382ee","submitter":{"id":89937,"url":"http://patchwork.ozlabs.org/api/people/89937/?format=json","name":"Hans Zhang","email":"18255117159@163.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260406104708.1218648-2-18255117159@163.com/mbox/","series":[{"id":498838,"url":"http://patchwork.ozlabs.org/api/series/498838/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=498838","date":"2026-04-06T10:47:06","name":"PCI: Refactor PCIe speed validation and conversion functions","version":5,"mbox":"http://patchwork.ozlabs.org/series/498838/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2220095/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2220095/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\tdkim=pass (1024-bit key;\n unprotected) header.d=163.com header.i=@163.com header.a=rsa-sha256\n header.s=s110527 header.b=joq/718F;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c15:e001:75::12fc:5321; helo=sin.lore.kernel.org;\n envelope-from=linux-pci+bounces-51943-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (1024-bit key) header.d=163.com header.i=@163.com\n header.b=\"joq/718F\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=220.197.31.5","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=163.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=163.com"],"Received":["from sin.lore.kernel.org (sin.lore.kernel.org\n [IPv6:2600:3c15:e001:75::12fc:5321])\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 4fq5dS0H6cz1xy1\n\tfor ; Mon, 06 Apr 2026 20:47:55 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sin.lore.kernel.org (Postfix) with ESMTP id BAC12300461B\n\tfor ; Mon, 6 Apr 2026 10:47:53 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id DD76C3090D7;\n\tMon, 6 Apr 2026 10:47:49 +0000 (UTC)","from m16.mail.163.com (m16.mail.163.com [220.197.31.5])\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 4B96E288505;\n\tMon, 6 Apr 2026 10:47:47 +0000 (UTC)","from Precision-7960.. (unknown [])\n\tby gzsmtp3 (Coremail) with SMTP id PigvCgDXX3Qwj9NpKHYUAA--.1246S3;\n\tMon, 06 Apr 2026 18:47:18 +0800 (CST)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1775472469; cv=none;\n b=UtDiTDUKvXUnP9qHYQmgO+qd2OCQQ7NssPzqnOhAQ8JeosqpDfNqgsXkvkCbh7wmGGfKEkWUkq15oPS6fM8knf/dqjbJeCjrgaAvb0rLa9GUeFDautA5s58GmEc+K6f0G2NeIOWPaKM8LnQINi29rOsButphkKu13OduFCmEUTE=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1775472469; c=relaxed/simple;\n\tbh=K5Y0PBLnucTW3zOL2uWce0Kl7pET+ylirq39OJDQdRY=;\n\th=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:\n\t MIME-Version;\n b=PU0EtFcUsoqw/HVPD/syGhjIlUjAoCWFNCgtej2mBEqPpGCntUQDLKNXKiLmgiLmqq11e3zft21CuFb1YTErBiXe27WNYLbtKtQ7Z+Ay6GmEDd+Z7KdnJYUndLDfj45F/Hw1VySPR03ucMS4ozE3j9Oby+r1OhJP2dAGMbGENQA=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=163.com;\n spf=pass smtp.mailfrom=163.com;\n dkim=pass (1024-bit key) header.d=163.com header.i=@163.com\n header.b=joq/718F; arc=none smtp.client-ip=220.197.31.5","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com;\n\ts=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=2A\n\tiyRk9VuZ8SjJ/3y8MHKB5yKl6vNqKwzPKLEYzjPaw=; b=joq/718FEvRJzjRIjH\n\twYBmvGwRIzVgdk9bh3UFTHXTFtianlsUit7ovRriYXX8CLPsFObGJYImsGkBXK4L\n\t4RB/S4pPBziWoIdkgcmkdrVwULbIAxQ3nxWHIliLSyLfM4725Xprp7+3KgULJE5X\n\tkb+PziVzR41+2lhFdKGhCkhg4=","From":"Hans Zhang <18255117159@163.com>","To":"bhelgaas@google.com,\n\tlpieralisi@kernel.org,\n\tkw@linux.com,\n\tkwilczynski@kernel.org,\n\tmani@kernel.org,\n\tilpo.jarvinen@linux.intel.com,\n\tjingoohan1@gmail.com","Cc":"robh@kernel.org,\n\tlinux-pci@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tHans Zhang <18255117159@163.com>","Subject":"[PATCH v5 1/3] PCI: Add public pcie_valid_speed() for shared\n validation","Date":"Mon, 6 Apr 2026 18:47:06 +0800","Message-Id":"<20260406104708.1218648-2-18255117159@163.com>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20260406104708.1218648-1-18255117159@163.com>","References":"<20260406104708.1218648-1-18255117159@163.com>","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-CM-TRANSID":"PigvCgDXX3Qwj9NpKHYUAA--.1246S3","X-Coremail-Antispam":"1Uf129KBjvJXoW7urW5CF43uw45Xw15KF43trb_yoW8WrWxpa\n\tyDAFyYyF18Aa15XF4Dta18ZFy5uFZayrW0krW3u39xZF13A3s3Ja45tay8tryaqrWIvF1U\n\tJa1YyF18Ca1jyF7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2\n\t9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x0pRxnYrUUUUU=","X-CM-SenderInfo":"rpryjkyvrrlimvzbiqqrwthudrp/xtbC7BZA42nTjzb6zgAA3u"},"content":"Extract the PCIe speed validation logic from bwctrl.c's static\npcie_valid_speed() into a public static inline function in pci.h.\n\nThis allows consistent speed range checks (2.5GT/s to 64.0GT/s) across\nmultiple drivers and functions, avoiding duplicate code and ensuring\nvalidation consistency as per PCIe specifications.\n\nSigned-off-by: Hans Zhang <18255117159@163.com>\n---\n drivers/pci/pci.h | 5 +++++\n drivers/pci/pcie/bwctrl.c | 5 -----\n 2 files changed, 5 insertions(+), 5 deletions(-)","diff":"diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h\nindex 4a14f88e543a..f0a082bfd6f1 100644\n--- a/drivers/pci/pci.h\n+++ b/drivers/pci/pci.h\n@@ -606,6 +606,11 @@ void pci_bus_put(struct pci_bus *bus);\n \t (speed) == PCIE_SPEED_2_5GT ? 2500*8/10 : \\\n \t 0)\n \n+static inline bool pcie_valid_speed(enum pci_bus_speed speed)\n+{\n+\treturn (speed >= PCIE_SPEED_2_5GT) && (speed <= PCIE_SPEED_64_0GT);\n+}\n+\n static inline int pcie_dev_speed_mbps(enum pci_bus_speed speed)\n {\n \tswitch (speed) {\ndiff --git a/drivers/pci/pcie/bwctrl.c b/drivers/pci/pcie/bwctrl.c\nindex c4c8d260bf96..ea82e326f164 100644\n--- a/drivers/pci/pcie/bwctrl.c\n+++ b/drivers/pci/pcie/bwctrl.c\n@@ -48,11 +48,6 @@ struct pcie_bwctrl_data {\n /* Prevent port removal during Link Speed changes. */\n static DECLARE_RWSEM(pcie_bwctrl_setspeed_rwsem);\n \n-static bool pcie_valid_speed(enum pci_bus_speed speed)\n-{\n-\treturn (speed >= PCIE_SPEED_2_5GT) && (speed <= PCIE_SPEED_64_0GT);\n-}\n-\n static u16 pci_bus_speed2lnkctl2(enum pci_bus_speed speed)\n {\n \tstatic const u8 speed_conv[] = {\n","prefixes":["v5","1/3"]}