From patchwork Tue Aug 9 18:00:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William McVicker X-Patchwork-Id: 1665024 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20210112 header.b=ryFUKd5u; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4M2LVv6n19z9s5W for ; Wed, 10 Aug 2022 04:01:59 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245175AbiHISBz (ORCPT ); Tue, 9 Aug 2022 14:01:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33248 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344343AbiHISBg (ORCPT ); Tue, 9 Aug 2022 14:01:36 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A9DC26573 for ; Tue, 9 Aug 2022 11:00:57 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-31f4450c963so106925217b3.19 for ; Tue, 09 Aug 2022 11:00:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:from:to:cc; bh=OLEpCC27T32C/7NrBkt44Xp3IZO7vGnlk4eYOP8rEvo=; b=ryFUKd5uBQ2+aNk7sYR9KZZ74RoKc9IpQDLCinEpIuhwQtE4vRxUzUmVSy+0Y2/o5J TxfoLNb2zgM2SZFuDyV0Gvmg6Dwgexrp/ozaojZecEs0UdhV2i9dwqZojJbkyaoIM1W9 U/3XYnW7/YJruCZNxSVoUQYNoLisjP8IGY6VxNypLiN/B6io8fFuFZITM2ij6Oic0dLt 9i1VIxDwyZ8jhai0uhD82HpDxU1rIRD0redZv1ccFsj0OZ5fFKfVx9nqUToMVFs9r2+s EmcY3IT63/5MTFcw+AX61DUHeb/BSEuT5QaSDYVTIixNcmWLtlZ4ZbMn2roH2L3s7LAt qkeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:x-gm-message-state :from:to:cc; bh=OLEpCC27T32C/7NrBkt44Xp3IZO7vGnlk4eYOP8rEvo=; b=nLUFZQ71TDg+Xpo4qWNYtubwhzlIgZj4OK5iYesl7kh9AsGLmsFobwAiWawuclwPSU fy7p9gCDvvc9FFEgHi+ePefFGgeoukZQpCdStJ4jGNgHfTwt6sF1yG08g0l54C88JLBQ poZUEFxJadHC6aYO42zXeYnIuNyFlUI6dbFsWL9IO891rAbvonb0m0y/3CoDGFbcSBtR YX6nTlVB/j9q03tYEfzEZBZiRT0O+n2CXt0zew7EBqQWJ458l87exh0/vrMYEFkI1U68 1LpukDIpYMJOOu6PRYMdlUoyxxqeMNp3dt9TrfXLRzZVLDwDwPgcragqhcLLo6MYHiwU rSDw== X-Gm-Message-State: ACgBeo3r+z1/htB5mAn8bg0VmS3ZgB1oGhdjBWX/IvLPJgA+QBlA3VR9 IvbApHBOkh+vwzRf34xCsSCqoMtolJk/etcfKa8= X-Google-Smtp-Source: AA6agR57Z1i4kogUXRKNHuKcHf6sYzxvP+vQ7Oxz1ol7dAF+yL2j38ufc3C70qxHvegDyd/L/1N0tFLaCF5E+uKEajE= X-Received: from wmcvicker.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5ebe]) (user=willmcvicker job=sendgmr) by 2002:a0d:ebc9:0:b0:31f:474a:4264 with SMTP id u192-20020a0debc9000000b0031f474a4264mr24550636ywe.269.1660068056405; Tue, 09 Aug 2022 11:00:56 -0700 (PDT) Date: Tue, 9 Aug 2022 18:00:48 +0000 Message-Id: <20220809180051.1063653-1-willmcvicker@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.37.1.559.g78731f0fdb-goog Subject: [PATCH v1 0/2] PCI: dwc: Add support for 64-bit MSI target addresses From: Will McVicker To: Jingoo Han , Gustavo Pimentel , Lorenzo Pieralisi , Rob Herring , " =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= " , Bjorn Helgaas , Will McVicker Cc: kernel-team@android.com, Vidya Sagar , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org X-Spam-Status: No, score=-8.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HK_RANDOM_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE, USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Hi, I have two patches that address a couple of issues I've run into with the PCIe DWC host driver: (1) the host driver fails to probe when ZONE_DMA32 is disabled. (2) the host driver will fail to probe if a 32-bit address is not available even on devices that support 64-bit target addresses. I have addressed both of these issues with the two patches (details can found in each of the patch commit messages). Please take a look and let me know your thoughts. With regards to testing, I have verified them on Android with a Pixel 6 device on the 5.19 + pci-v5.20-changes kernel. My testing included running with both ZONE_DMA32 and swiotlb disabled. Thanks, Will Will McVicker (2): PCI: dwc: drop dependency on ZONE_DMA32 PCI: dwc: add support for 64-bit MSI target address .../pci/controller/dwc/pcie-designware-host.c | 42 ++++++++++++------- drivers/pci/controller/dwc/pcie-designware.c | 9 ++++ drivers/pci/controller/dwc/pcie-designware.h | 6 +++ 3 files changed, 41 insertions(+), 16 deletions(-)