From patchwork Sun Jan 1 09:22:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Su X-Patchwork-Id: 13086346 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A5CCC4167B for ; Sun, 1 Jan 2023 09:22:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229472AbjAAJWk (ORCPT ); Sun, 1 Jan 2023 04:22:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229447AbjAAJWj (ORCPT ); Sun, 1 Jan 2023 04:22:39 -0500 Received: from out30-43.freemail.mail.aliyun.com (out30-43.freemail.mail.aliyun.com [115.124.30.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6480460CC; Sun, 1 Jan 2023 01:22:38 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R201e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046049;MF=yang.su@linux.alibaba.com;NM=1;PH=DS;RN=13;SR=0;TI=SMTPD_---0VYTz22E_1672564953; Received: from localhost(mailfrom:yang.su@linux.alibaba.com fp:SMTPD_---0VYTz22E_1672564953) by smtp.aliyun-inc.com; Sun, 01 Jan 2023 17:22:34 +0800 From: Yang Su To: bhelgaas@google.com Cc: linux-pci@vger.kernel.org, alex.williamson@redhat.com, matthew@wil.cx, jbarnes@virtuousgeek.org, rjw@sisk.pl, greg@kroah.com, patchwork-bot@kernel.org, andrew.murray@arm.com, lorenzo.pieralisi@arm.com, robh@kernel.org, kw@linux.com, linux-kernel@vger.kernel.org Subject: [PATCH 0/1] Tune pci sbr time Date: Sun, 1 Jan 2023 17:22:32 +0800 Message-Id: X-Mailer: git-send-email 2.19.1.6.gb485710b MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org In pci_reset_secondary_bus, the waiting time is so long for PCIe devies. As reference PCIe spec, this patch can handle different cases for PCI/PCIe devices in pci_reset_secondary_bus. Yang Su (1): PCI: Tune secondary bus reset time for PCIe drivers/pci/pci.c | 36 +++++++++++++++++++++++++++++++++--- 1 file changed, 33 insertions(+), 3 deletions(-)