Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp3727553imu; Fri, 30 Nov 2018 05:12:13 -0800 (PST) X-Google-Smtp-Source: AFSGD/VZdB0+X9tsfAbFsXiJJpMSMVHA6/tsbtGvWrwDhb4FSSR6t/VwOpsBB7hisc2kgYwMsMOM X-Received: by 2002:a17:902:b18b:: with SMTP id s11mr5641244plr.56.1543583533248; Fri, 30 Nov 2018 05:12:13 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543583533; cv=none; d=google.com; s=arc-20160816; b=x2pIrSWL46OBxDgklMivDuuGH7RephM5cDQzxBCjmzTsaCMqK96DqniMK2aelUD6Ub Qj9b8HIdzRx00uJilKwY14EFj44UCyEI4CSESpDBEO8xzoEyEdzuKi6Wp1HjIgtEaUqy 7hqRRjSnLZDq0gDCkSLVoEeZ5A7z9ZIrc/VtHSyxgBze+5dOxhdiQxgnYhBttQOhCkbI OlVd48Nz7S88pL74Tv1gOSbIDNS/UtrtFjVEiaeRKw/nswQA8CD51XmJRb2Co/VBTOBW odnBGjOF+zwdJav12J0+Tqvm+8wp17rfCtxIMUHD/c/OFcdiNyn9bR+9dY9F2dZA+JHG EPGw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=cbuim+rDbnnQqbAiRmRCCBCyn9jImYhbTXB/AOXSszg=; b=X/kVtAXQ78HabmJI6fjjF1lZGtTctzjZSHNgQehNHubiGPXdO6f8+vye/KfmBYEzf+ MC4iGhm/h8YuU9AwTnWqT8wTO2aduk/aIO4sm8alTSFK6nVEfv9lNXVu1uxfbNR+5kzx yqk15J6qPG6E40QUlypbIypk+EaCM25q519hQkAuHnHitDxN0aOTjyNIQFCw1AwzZ/TR WuWJg30e8QNtOY0JJkHWmDAgXs8RuZ4tdUF+EP58pKuVInfYs4v11S2wLwf1MlgAYc76 c0JRuOJF+HBGFlq56uRWlEsAH/mfWs4Sczjb04uLKy5e1rDK2Akf9QjyvkAIB0BDx+wR Wv3A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a6si5159384plz.316.2018.11.30.05.11.52; Fri, 30 Nov 2018 05:12:13 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726757AbeLAAUN (ORCPT + 99 others); Fri, 30 Nov 2018 19:20:13 -0500 Received: from verein.lst.de ([213.95.11.211]:50225 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725928AbeLAAUN (ORCPT ); Fri, 30 Nov 2018 19:20:13 -0500 Received: by newverein.lst.de (Postfix, from userid 2407) id B48A967357; Fri, 30 Nov 2018 14:10:56 +0100 (CET) Date: Fri, 30 Nov 2018 14:10:56 +0100 From: Christoph Hellwig To: Christian Zigotzky Cc: Christoph Hellwig , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , linux-arch@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Olof Johansson Subject: Re: use generic DMA mapping code in powerpc V4 Message-ID: <20181130131056.GA5211@lst.de> References: <20181114082314.8965-1-hch@lst.de> <20181127074253.GB30186@lst.de> <87zhttfonk.fsf@concordia.ellerman.id.au> <4d4e3cdd-d1a9-affe-0f63-45b8c342bbd6@xenosoft.de> <20181129170351.GC27951@lst.de> <20181130105346.GB26765@lst.de> <8694431d-c669-b7b9-99fa-e99db5d45a7d@xenosoft.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8694431d-c669-b7b9-99fa-e99db5d45a7d@xenosoft.de> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 30, 2018 at 01:23:20PM +0100, Christian Zigotzky wrote: > Hi Christoph, > > Thanks a lot for your fast reply. > > On 30 November 2018 at 11:53AM, Christoph Hellwig wrote: >> Hi Christian, >> >> for such a diverse architecture like powerpc we'll have to rely on >> users / non core developers like you to help with testing. > I see. I will help as good as I can. >> >> Can you try the patch below for he cyrus config? > Yes, of course. I patched your Git kernel and after that I compiled it > again. U-Boot loads the kernel and the dtb file. Then the kernel starts but > it doesn't find any hard disks (partitions). Interesting. Does it find the storage controller (what kind of storage does it use?). For the PASEMI board can you test the attached patch? Also are you using Compact Flash cards on that system? > @All > Could you please also test Christoph's kernel on your PASEMI and NXP > boards? Download: 'git clone git://git.infradead.org/users/hch/misc.git -b > powerpc-dma.4 a' FYI, I've pushed a new powerpc-dma.5 with the various fixes discussed in this thread.