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 A1FA3C83006 for ; Wed, 29 Apr 2020 15:15:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7E6312176D for ; Wed, 29 Apr 2020 15:15:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588173342; bh=5g2VI9qjR80PiqAY18zZKeMqz0H6vmEOZgAJY/OcAho=; h=Date:From:To:Cc:Subject:In-Reply-To:List-ID:From; b=owSdsL7P8xC5ptw13dlqitjIWqr+yV+3BrzCa2QD1YYRSC0OsJNFhd9rsQK6HwcXP A3YSjABz32S9Iv42UHceBouPMAZRmQzLVJQNiD9D5DxI4hpbILGrnd1UIoEOa0wssQ Ad/olH+og3vedTxa2ma1+E+LiM4SA2fu0408iJBs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726842AbgD2PPl (ORCPT ); Wed, 29 Apr 2020 11:15:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:40244 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726830AbgD2PPl (ORCPT ); Wed, 29 Apr 2020 11:15:41 -0400 Received: from localhost (mobile-166-175-184-168.mycingular.net [166.175.184.168]) (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 ABE1020575; Wed, 29 Apr 2020 15:15:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588173341; bh=5g2VI9qjR80PiqAY18zZKeMqz0H6vmEOZgAJY/OcAho=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=TV7Z5C/XzkRNYyr+1iGIhULOMEGL45IadvmsRnPE+arFxGDHB6ewNRZDmeQR0daxa 6voLTBv9u2oBqhbIv1oFmG7VHhR5cXRgpKuZOI2XoweY6AgwiLk2y1efqRsbgMmaAF xFndeo6oeh2P4CKdkVBUmEZK89YSW9nXibn+/QUA= Date: Wed, 29 Apr 2020 10:15:38 -0500 From: Bjorn Helgaas To: Christoph Hellwig Cc: Daire.McNamara@microchip.com, amurray@thegoodpenguin.co.uk, lorenzo.pieralisi@arm.com, linux-pci@vger.kernel.org Subject: Re: [PATCH v8 0/1] PCI: microchip: Add host driver for Microchip PCIe controller Message-ID: <20200429151538.GA26094@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200429145703.GB26461@infradead.org> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Wed, Apr 29, 2020 at 07:57:03AM -0700, Christoph Hellwig wrote: > On Wed, Apr 29, 2020 at 02:44:05PM +0000, Daire.McNamara@microchip.com wrote: > > > why? > > The PCIe hardware is only available on 64-bit RISCV based > > platforms at the moment. Our intention is to extend the driver, > > at a later date, as and when the hardware becomes available. > > I'll let the actual PCIe maintainer speak, but normally we try to > allow drivers to build on all platforms unless they have an actual > code platform depency. And as far as I can tell this driver doesn't > actually depend on RISC-V specific code. Agreed; if the driver doesn't actually depend on interfaces that are RISC-V-specific, we should be able to compile-test it on other arches. Bjorn