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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_MUTT 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 DE80AC31E48 for ; Wed, 12 Jun 2019 15:13:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B93F321773 for ; Wed, 12 Jun 2019 15:13:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2501879AbfFLPNh (ORCPT ); Wed, 12 Jun 2019 11:13:37 -0400 Received: from foss.arm.com ([217.140.110.172]:55532 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2437534AbfFLPNg (ORCPT ); Wed, 12 Jun 2019 11:13:36 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BE1ED337; Wed, 12 Jun 2019 08:13:35 -0700 (PDT) Received: from redmoon (unknown [10.1.196.255]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id BBD033F557; Wed, 12 Jun 2019 08:13:33 -0700 (PDT) Date: Wed, 12 Jun 2019 16:13:31 +0100 From: Lorenzo Pieralisi To: "Z.q. Hou" Cc: "linux-pci@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "bhelgaas@google.com" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "l.subrahmanya@mobiveil.co.in" , "shawnguo@kernel.org" , Leo Li , "catalin.marinas@arm.com" , "will.deacon@arm.com" , Mingkai Hu , "M.h. Lian" , Xiaowei Bao Subject: Re: [PATCHv5 07/20] PCI: mobiveil: Use WIN_NUM_0 explicitly for CFG outbound window Message-ID: <20190612151331.GE15747@redmoon> References: <20190412083635.33626-1-Zhiqiang.Hou@nxp.com> <20190412083635.33626-8-Zhiqiang.Hou@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190412083635.33626-8-Zhiqiang.Hou@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 12, 2019 at 08:35:54AM +0000, Z.q. Hou wrote: > From: Hou Zhiqiang > > As the .map_bus() use the WIN_NUM_0 for CFG transactions, > it's better passing WIN_NUM_0 explicitly when initialize > the CFG outbound window. > > Signed-off-by: Hou Zhiqiang > Reviewed-by: Minghuan Lian > Reviewed-by: Subrahmanya Lingappa > --- > V5: > - Corrected the subject. > > drivers/pci/controller/pcie-mobiveil.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c > index b2cc9c097fc9..df71c11b4810 100644 > --- a/drivers/pci/controller/pcie-mobiveil.c > +++ b/drivers/pci/controller/pcie-mobiveil.c > @@ -612,9 +612,8 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie) > */ > > /* config outbound translation window */ > - program_ob_windows(pcie, pcie->ob_wins_configured, > - pcie->ob_io_res->start, 0, CFG_WINDOW_TYPE, > - resource_size(pcie->ob_io_res)); > + program_ob_windows(pcie, WIN_NUM_0, pcie->ob_io_res->start, 0, > + CFG_WINDOW_TYPE, resource_size(pcie->ob_io_res)); This makes sense - current code is quite obscure and prone to bugs. Lorenzo > /* memory inbound translation window */ > program_ib_windows(pcie, WIN_NUM_1, 0, MEM_WINDOW_TYPE, IB_WIN_SIZE); > -- > 2.17.1 >