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 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 EDB0BC4360C for ; Thu, 26 Sep 2019 13:11:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF963222BE for ; Thu, 26 Sep 2019 13:11:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569503489; bh=tT5vM+GZhNbV0tvTup56SJvx/nMnMTGW90qmtz76n+M=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=EXyuytfpWswo57Xc7J71wKJ0LU9nnHALSuUPRQXWD425yQNnansloqQJ5Hysn3VpA 40Tu6Sxk5H4fCWRxQ0Uf+Yxalac0NoVxTLYJmRrlZc+p0z7d00j1BPYfxI9ybhZrJK QqXRRtXbhzK2epuhfpPanIrCDXMm7ZSNBck9GMUI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725946AbfIZNL3 (ORCPT ); Thu, 26 Sep 2019 09:11:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:40106 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725836AbfIZNL3 (ORCPT ); Thu, 26 Sep 2019 09:11:29 -0400 Received: from mail-qt1-f175.google.com (mail-qt1-f175.google.com [209.85.160.175]) (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 3BD3C222BE for ; Thu, 26 Sep 2019 13:11:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569503488; bh=tT5vM+GZhNbV0tvTup56SJvx/nMnMTGW90qmtz76n+M=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=bFsirGxmtIM1FIlYEIsCNNuaL1b7vAPENm3IeCnfYIxhh9K3sz6YoinrjPGJy0pfX LVjVJQT4+uNrFCAJcAz/aV8Lit+syYgHjPqqoggm+++hhwVSBtnXMrpSMgnBZoPCCK H6Pu5dVMQqs8TQdNIou4MVtdmNGPSfOTBhauiAhQ= Received: by mail-qt1-f175.google.com with SMTP id u22so2699816qtq.13 for ; Thu, 26 Sep 2019 06:11:28 -0700 (PDT) X-Gm-Message-State: APjAAAXJwmZ4h6A1Qux9Ati27rDITyhAJN3xoIVHwjCRKV5GQObWkZPj 8CkwCkLusMyBxAGMztKErlNJEgPrxGzLtzF6Hg== X-Google-Smtp-Source: APXvYqz2YmZPtaxfDUNbuK9E+BoLaBgNiFLl5CUOshw+4r3CboxK8fvajywPHBid9YklNqM1bpfDj//EaGOnnTYP31s= X-Received: by 2002:ac8:6982:: with SMTP id o2mr3793298qtq.143.1569503487451; Thu, 26 Sep 2019 06:11:27 -0700 (PDT) MIME-Version: 1.0 References: <20190924214630.12817-1-robh@kernel.org> <20190926084859.GB9720@e119886-lin.cambridge.arm.com> <036f298c-c65c-7da2-92dc-fc80892672c1@free.fr> In-Reply-To: <036f298c-c65c-7da2-92dc-fc80892672c1@free.fr> From: Rob Herring Date: Thu, 26 Sep 2019 08:11:16 -0500 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 00/11] PCI dma-ranges parsing consolidation To: Marc Gonzalez Cc: Andrew Murray , Robin Murphy , Bjorn Helgaas , Lorenzo Pieralisi , Marc Zyngier , Ard Biesheuvel , Mans Rullgard , Linux ARM , PCI Content-Type: text/plain; charset="UTF-8" Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Thu, Sep 26, 2019 at 6:20 AM Marc Gonzalez wrote: > > [ Tweaking recipients list ] > > On 26/09/2019 10:49, Andrew Murray wrote: > > > On Tue, Sep 24, 2019 at 04:46:19PM -0500, Rob Herring wrote: > > > >> pci-rcar-gen2 is the only remaining driver doing its own dma-ranges > >> handling as it is still using the old ARM PCI functions. Looks like it > >> is the last one (in drivers/pci/). > > > > It also seems that pcie-tango is using of_pci_dma_range_parser_init > > and so parsing dma-ranges. Though it's using the dma_ranges for a > > slightly different purpose. Seems I missed that as I only grep'ed for for_each_of_pci_range... > > The rationale for that code can be found here: > > https://patchwork.kernel.org/patch/9915469/ > > NB: 1) The PCIE_TANGO_SMP8759 Kconfig symbol is marked "depends on BROKEN", > and 2) The driver adds TAINT_CRAP, > and 3) The maker of the tango platform is dead. Given that and that I'd have to rework the probe to do the MSI range setup after pci_host_common_probe, I'm just going to leave this one alone. Rob