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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 E9879C433DF for ; Wed, 27 May 2020 09:00:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF68120890 for ; Wed, 27 May 2020 09:00:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590570010; bh=GzN9KZi8SIAiZv6JsaMy5rtT9c4WVtJCbDQmDejM+Rc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=WjWL72HNO5UsuZival8MyazKk40mJKPq+CvAaArQ+Yc97jgHmfqUz3u1HBSoPxpTL kn29CxFb04K0ucqzTHb2HUXNKnAAmi2IucGKmCPsVQg+WfNm1jbu+dPGTibySnrB2h 06AiwsmTkOjwDwvFPi/2oA/QTg2P5t8NdZnZdj3o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388340AbgE0JAJ (ORCPT ); Wed, 27 May 2020 05:00:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:34660 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388251AbgE0JAJ (ORCPT ); Wed, 27 May 2020 05:00:09 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BE06A20723; Wed, 27 May 2020 09:00:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590570009; bh=GzN9KZi8SIAiZv6JsaMy5rtT9c4WVtJCbDQmDejM+Rc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dw8PQDiM90GK1xPK0MDmtsB/uuNO5KqcuE2U8o5Bi9m3bkWcLa2RYu4UYcftfI8gL 7map9j1fDgO+xHYZCtIgx1wv9/xmbcAUQMZ2V17LMke54thxct3Cz7n7lWZ60o+1Qn SucOB5Se6nCwWAoR5L8bMbTnC5mBS13qfDJaL2Og= Date: Wed, 27 May 2020 11:00:07 +0200 From: Greg Kroah-Hartman To: Zhangfei Gao Cc: Joerg Roedel , Bjorn Helgaas , Arnd Bergmann , Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , "Rafael J. Wysocki" , Len Brown , jean-philippe , Herbert Xu , kenneth-lee-2012@foxmail.com, Wangzhou , linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, iommu@lists.linux-foundation.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org Subject: Re: [PATCH 0/2] Introduce PCI_FIXUP_IOMMU Message-ID: <20200527090007.GA179718@kroah.com> References: <1590493749-13823-1-git-send-email-zhangfei.gao@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1590493749-13823-1-git-send-email-zhangfei.gao@linaro.org> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Tue, May 26, 2020 at 07:49:07PM +0800, Zhangfei Gao wrote: > Some platform devices appear as PCI but are actually on the AMBA bus, Why would these devices not just show up on the AMBA bus and use all of that logic instead of being a PCI device and having to go through odd fixes like this? thanks, greg k-h