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=-1.1 required=3.0 tests=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 D9CAAC06510 for ; Tue, 2 Jul 2019 13:11:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AFA3A2089C for ; Tue, 2 Jul 2019 13:11:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562073070; bh=DMh8VAiW4j23dxHBYdwqpSzt+PEHyiAYz3LBrEYgS44=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=orwTTLltOG/qzwY8IRvOOnpWezEQ2FZRJ8qqwaE3NBTc+vyG8XFLe62Oam+9KMf82 eLiImaYH0tn7MnTq9UbJ8HOxHnew+LmMU98yeG37DSPUCUC12+nBDODcsTmC3EtVHK 7xsp81vmiP7mHYHI75Z7605lu4JPG4g6e5i2xnJU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726736AbfGBNLK (ORCPT ); Tue, 2 Jul 2019 09:11:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:51430 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726636AbfGBNLK (ORCPT ); Tue, 2 Jul 2019 09:11:10 -0400 Received: from mail-lf1-f44.google.com (mail-lf1-f44.google.com [209.85.167.44]) (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 7C2C62089C; Tue, 2 Jul 2019 13:11:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562073069; bh=DMh8VAiW4j23dxHBYdwqpSzt+PEHyiAYz3LBrEYgS44=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=bV9Me7dkHZ2jA5IfDqhYDtI1pHt4S1XcdZswFAwxJlW6k6UFYC+l7dMTZGQLPkZJK LzJ/Z4wbRqDHe7r/1ZV7PgZh6M4sG8DTR6J1ZAs9H4w82Fk0wN8Gkbjf/2JaFa762k cE9yD6kaWN3Y4Z1G0+CGCxerlYTp0IxkgQ1Aqpfo= Received: by mail-lf1-f44.google.com with SMTP id r15so11316958lfm.11; Tue, 02 Jul 2019 06:11:09 -0700 (PDT) X-Gm-Message-State: APjAAAV7WAWXLMQykRsU/rJy1xdIjajAMgwLgGbkZ+o+4H8YrT5p4vxV JTU0H7Gh7rsL9KXbEHZDWCsh9MgkTcBK6m5F9V0= X-Google-Smtp-Source: APXvYqxRfxfCOG8WBQbWTyTbYKTEBILbsprFNS3dDagJ3FUuiL9az56yVd8H9VPIQAr5aM+Tl26ahQuRD8y5f6z2qcU= X-Received: by 2002:ac2:44d3:: with SMTP id d19mr14432915lfm.30.1562073067826; Tue, 02 Jul 2019 06:11:07 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Krzysztof Kozlowski Date: Tue, 2 Jul 2019 15:10:56 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [BUG BISECT] Net boot fails on VF50 after "dmaengine: fsl-edma: support little endian for edma driver" To: Fabio Estevam Cc: Peng Ma , Vinod Koul , dmaengine@vger.kernel.org, linux-kernel Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On Tue, 2 Jul 2019 at 15:04, Fabio Estevam wrote: > > Hi Krzysztof, > > On Tue, Jul 2, 2019 at 9:13 AM Krzysztof Koz=C5=82owski > wrote: > > > > Hi, > > > > Bisect pointed commit: > > commit 002905eca5bedab08bafd9e325bbbb41670c7712 > > Author: Peng Ma > > Date: Thu Jun 13 10:27:08 2019 +0000 > > dmaengine: fsl-edma: support little endian for edma driver > > > > as a reason of NFSv4 root boot failures. Toradex Colibri VF50 (Cortex > > A5) on Toradex Iris board. > > > > The user-space starts but hangs - a lot of messages are missing or > > seriously delayed. > > > > Please revert the patch of fix it. If needed I can provide more > > details about test system - let me know. > > > > Full log attached. > > Does this fix the problem? > > --- a/arch/arm/boot/dts/vfxxx.dtsi > +++ b/arch/arm/boot/dts/vfxxx.dtsi > @@ -92,6 +92,7 @@ > clock-names =3D "dmamux0", "dmamux1"; > clocks =3D <&clks VF610_CLK_DMAMUX0>, > <&clks VF610_CLK_DMAMUX1>; > + big-endian; > status =3D "disabled"; > }; > > @@ -491,6 +492,7 @@ > clock-names =3D "dmamux0", "dmamux1"; > clocks =3D <&clks VF610_CLK_DMAMUX2>, > <&clks VF610_CLK_DMAMUX3>; > + big-endian; > status =3D "disabled"; > }; > > I am not saying this is the proper fix as we should not break old dtb's. Hi, No, unfortunately it does not help. Best regards, Krzysztof