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=-5.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_PASS autolearn=unavailable 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 64DE2C2F420 for ; Mon, 21 Jan 2019 14:40:41 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D81BB2084C for ; Mon, 21 Jan 2019 14:40:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=xenosoft.de header.i=@xenosoft.de header.b="RRwFPOqm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D81BB2084C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xenosoft.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 43jvNl087gzDqKf for ; Tue, 22 Jan 2019 01:40:39 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (helo) smtp.helo=mo6-p01-ob.smtp.rzone.de (client-ip=2a01:238:20a:202:5301::5; helo=mo6-p01-ob.smtp.rzone.de; envelope-from=chzigotzky@xenosoft.de; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=xenosoft.de Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=xenosoft.de header.i=@xenosoft.de header.b="RRwFPOqm"; dkim-atps=neutral Received: from mo6-p01-ob.smtp.rzone.de (mo6-p01-ob.smtp.rzone.de [IPv6:2a01:238:20a:202:5301::5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 43jvLr39WpzDq9V for ; Tue, 22 Jan 2019 01:38:59 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1548081535; s=strato-dkim-0002; d=xenosoft.de; h=In-Reply-To:Date:Message-ID:From:References:Cc:To:Subject: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=9aXyl3XX6X2NaqAV5Jbua+GONqAlosKe6poqf11l4ww=; b=RRwFPOqmcunLbPFMHFcthpRR75LQrErhnehS/FuXnqrgdNulCR12BC0Swojn8Ca4Lt MzrGDhg1f9reSFOWb9jjUUXI4bAqEf+pCyRN7o1yNWcjrpyTZp6EEgwhXFxlKTm6TsJR piaVL5sRzXEM+uFsv2Or3OoBwG/zmcd2xU1CzGu9IGueXCg2g7dT60h4ncOM5+JMSgCs MLzke13YvZvydUHjoulM6dn4bPBaWAH/7WONGxwHjQY/sT4IjAWX764bGrf/hhYu8MWA PGCApd3aXDN8ee8q63gAzHTWS9snBAk2km3AUJJurPJaP5Z53qLZc5teqj/uNCXuADEW 7qpQ== X-RZG-AUTH: ":L2QefEenb+UdBJSdRCXu93KJ1bmSGnhMdmOod1DhGM4l4Hio94KKxRySfLxnHfJ+Dkjp5G5MdirQj0WG7CkOjx+xiVEQyUhLZzRcZ7jq/ONwjw==" X-RZG-CLASS-ID: mo00 Received: from [IPv6:2a02:8109:a400:162c:11e9:3359:3c07:dcab] by smtp.strato.de (RZmta 44.9 AUTH) with ESMTPSA id t0203dv0LEccO8n (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Mon, 21 Jan 2019 15:38:38 +0100 (CET) Subject: Re: use generic DMA mapping code in powerpc V4 To: Christoph Hellwig References: <871403f2-fa7d-de15-89eb-070432e15c69@xenosoft.de> <20190118112842.GA9115@lst.de> <20190118121810.GA13327@lst.de> <20190118125500.GA15657@lst.de>

<20190119130222.GA24346@lst.de> <20190119140452.GA25198@lst.de> From: Christian Zigotzky Message-ID: Date: Mon, 21 Jan 2019 15:38:38 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <20190119140452.GA25198@lst.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: de-DE X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, Darren Stevens , linux-kernel@vger.kernel.org, Julian Margetson , linux-mm@kvack.org, iommu@lists.linux-foundation.org, Paul Mackerras , Olof Johansson , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hello Christoph, Thanks for your reply. I successfully compiled a kernel (uImage) for the X5000 from your Git 'powerpc-dma.6-debug' (both patches) today. It detects the SATA hard disk drive and boots without any problems. I will test the first patch in next days. Thanks for your help, Christian On 19 January 2019 at 3:04PM, Christoph Hellwig wrote: > On Sat, Jan 19, 2019 at 02:02:22PM +0100, Christoph Hellwig wrote: >> Interesting. This suggest it is related to the use of ZONE_DMA by >> the FSL SOCs that your board uses. Let me investigate this a bit more. > As a hack to check that theory I've pushed a new commit to the > powerpc-dma.6-debug branch to use old powerpc GFP_DMA selection > with the new dma direct code: > > http://git.infradead.org/users/hch/misc.git/commitdiff/5c532d07c2f3c3972104de505d06b8d85f403f06 > > And another one that drops the addressability checks that powerpc > never had: > > http://git.infradead.org/users/hch/misc.git/commitdiff/18e7629b38465ca98f8e7eed639123a13ac3b669 > > Can you first test with both patches, and then just with the first > in case that worked? > >