From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0E99C4363C for ; Thu, 8 Oct 2020 15:12:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9350021927 for ; Thu, 8 Oct 2020 15:12:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602169949; bh=8F7IKYPdyEkQ5+ilFOZ4E/Td1drT5/jN039WnHHDGDQ=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=jHRkTErgFniihYLsBpq56DZkmJlZfdj7DEWM5eT5ypx7x2ClSOFpeOEvEZO0jOs/5 FGv6gocqziCb2xaH6JNORHs/oxesbwud4JJBsW5hgcE2GKJeO0B+ZiCX2A90aFlJJU sI6PGOIGj3w11BP3D8zjaLQZXr3osWFa/g1jlgaI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730832AbgJHPM2 (ORCPT ); Thu, 8 Oct 2020 11:12:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:52850 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729833AbgJHPM2 (ORCPT ); Thu, 8 Oct 2020 11:12:28 -0400 Received: from mail-oo1-f52.google.com (mail-oo1-f52.google.com [209.85.161.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 03E7421D24; Thu, 8 Oct 2020 15:12:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602169948; bh=8F7IKYPdyEkQ5+ilFOZ4E/Td1drT5/jN039WnHHDGDQ=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=SjvbUktr1mIFydvTrLp7/Y4dC5TdxsLvSCsyiweYVrbkF6AvfpMhq2pZgkA6aLLA9 MfEZfXQR9iEeQJS61YFlMtEaPUdaa37VEHMZo77iUabi1fXeeojEEVp+QWWJN3jY6+ ciX3IGlikZCnOCpNHY7ufOUhWI7Xi0Rfem1bkNio= Received: by mail-oo1-f52.google.com with SMTP id w7so1546638oow.7; Thu, 08 Oct 2020 08:12:27 -0700 (PDT) X-Gm-Message-State: AOAM533nfsiwjM76PUmX07qPZO3NmSeoo2GbPwjouCmwCmoicsqp4eFO vVfAJ5l3T74vaLF4DZwFtkWL3++Yn5+5nCibyw== X-Google-Smtp-Source: ABdhPJzsuMJxj3A0SOI3qwTv0mAde+XyqceFsKsNefeucc+I+1n5lqIYSXjAv8ROXFx+DUeBW40J+AuS2kF4iVlEjaA= X-Received: by 2002:a4a:b30d:: with SMTP id m13mr5645883ooo.50.1602169947137; Thu, 08 Oct 2020 08:12:27 -0700 (PDT) MIME-Version: 1.0 References: <20200916054130.8685-1-Zhiqiang.Hou@nxp.com> <20200928093911.GB12010@e121166-lin.cambridge.arm.com> <9ac53f04-f2e8-c5f9-e1f7-e54270ec55a0@ti.com> <67ac959f-561e-d1a0-2d89-9a85d5f92c72@ti.com> <99d24fe08ecb5a6f5bba7dc6b1e2b42b@walle.cc> In-Reply-To: From: Rob Herring Date: Thu, 8 Oct 2020 10:12:15 -0500 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] PCI: dwc: Added link up check in map_bus of dw_child_pcie_ops To: Naresh Kamboju Cc: "Z.Q. Hou" , Stephen Rothwell , Kishon Vijay Abraham I , Michael Walle , Gustavo Pimentel , Lorenzo Pieralisi , Bjorn Helgaas , Ard Biesheuvel , PCI , open list , lkft-triage@lists.linaro.org, Linux-Next Mailing List Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Thu, Oct 8, 2020 at 9:47 AM Naresh Kamboju wrote: > > On Fri, 2 Oct 2020 at 14:59, Naresh Kamboju wrote: > > > > On Thu, 1 Oct 2020 at 22:16, Michael Walle wrote: > > > > > > Am 2020-10-01 15:32, schrieb Kishon Vijay Abraham I: > > > > > > > Meanwhile would it be okay to add linkup check atleast for DRA7X so > > > > that > > > > we could have it booting in linux-next? > > > > > > Layerscape SoCs (at least the LS1028A) are also still broken in > > > linux-next, > > > did I miss something here? > > > > I have been monitoring linux next boot and functional testing on nxp devices > > for more than two week and still the problem exists on nxp-ls2088. > > > > Do you mind checking the possibilities to revert bad patches on linux next tree > > and continue to work on fixes please ? > > > > suspected bad commit: [ I have not bisected this problem ] > > c2b0c098fbd1 ("PCI: dwc: Use generic config accessors") > > > > crash log snippet: > > [ 1.563008] SError Interrupt on CPU5, code 0xbf000002 -- SError > > [ 1.563010] CPU: 5 PID: 1 Comm: swapper/0 Not tainted > > 5.9.0-rc7-next-20201001 #1 > > [ 1.563011] Hardware name: Freescale Layerscape 2088A RDB Board (DT) > > [ 1.563013] pstate: 20000085 (nzCv daIf -PAN -UAO -TCO BTYPE=--) > > [ 1.563014] pc : pci_generic_config_read+0x44/0xe8 > > [ 1.563015] lr : pci_generic_config_read+0x2c/0xe8 > > > This reported issue is gone now on Linux next master branch. > I am not sure which is a fix commit. There isn't one, better double check that. We're still waiting on respinning of the revert patch. BTW, why is the kernelci NXP lab almost always down? I have a branch now to test things and I'm not done breaking the DWC driver. :) Rob