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=-4.0 required=3.0 tests=BAYES_00,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 B479DC433E6 for ; Fri, 17 Jul 2020 14:17:15 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 819F5206BE for ; Fri, 17 Jul 2020 14:17:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="S2G6HrdC"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="wx38iT7W" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 819F5206BE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=FzCBBaHGjUh6AXWfhoDnCB5Yh+M0taQ0SzwMA19bSwk=; b=S2G6HrdCoymIwEEiV/GRlb2hq 2TDsNMxNa28ShjYogoce1XvoapfbJHxqEPlhNZJiKltXRQaluoJpkQ9IIJcYHszHnj0BeEyBsf8qV jbFEMjyffhOz6tjL40GxF3z8+lwzLfjEEyPnfso6n9kSGtW0HpCM4u5KfmpEbhPVCYcn8eZvgu8P/ eRIGWikwzxTLSsi5C3EHSx5j87/7ctBA/K/xjth3PyXggXi9Us1wjhDCzekD22ssBKkdwcGea5VKm tm+ZG+WNK0Eq5PJNS/dME0Ca+LNaTf1UNBQSwwU/fLxBb5qNR+/5VfoqHJkOfn3Et/FqcDKA3Orke zD8v/rdDw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jwR7c-0000wu-8S; Fri, 17 Jul 2020 14:13:56 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jwR7a-0000wN-9r for linux-arm-kernel@lists.infradead.org; Fri, 17 Jul 2020 14:13:55 +0000 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 3E2B320717; Fri, 17 Jul 2020 14:13:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594995233; bh=0vXgDBDYlt7UxEihc32ZQjGeglsTllhEDcIkY6n/ZfU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=wx38iT7WUFuCSbU+kkpm7v/fkfnbQy9OpadwXgeeR+ZAOQDbAwSWuF7abbH45xRKF gwXVFLOSvsGMkiY6lmwN67BZwbIjM/0Vc+NgIrk/pE947gZ4fiOyziNQ0i7MJwhayh iHVGoKwMXHE+W+/IMFfmncxN0GPDEy95J9Fnk118= Date: Fri, 17 Jul 2020 16:13:44 +0200 From: Greg KH To: Arnd Bergmann Subject: Re: [PATCH 1/3] gpio: mxc: Support module build Message-ID: <20200717141344.GA2992942@kroah.com> References: <20200717121436.GA2953399@kroah.com> <20200717132101.GA2984939@kroah.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200717_101354_446336_AB408156 X-CRM114-Status: GOOD ( 17.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Catalin Marinas , Linus Walleij , Bjorn Andersson , "oleksandr.suvorov@toradex.com" , Fabio Estevam , Anson Huang , Jon Corbet , Will Deacon , Olof Johansson , Russell King , Bartosz Golaszewski , Andreas Kemnade , Geert Uytterhoeven , dl-linux-imx , Sascha Hauer , "open list:GPIO SUBSYSTEM" , John Stultz , Adam Ford , Linux ARM , "linux-kernel@vger.kernel.org" , Leo Li , Vinod Koul , Sascha Hauer , Kevin Hilman , "hverkuil-cisco@xs4all.nl" , Shawn Guo Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Jul 17, 2020 at 03:54:49PM +0200, Arnd Bergmann wrote: > > And look at the driver core work for many driver subsystems to be fixed > > up just to get a single kernel image to work on multiple platforms. > > Just because older ones did it, doesn't mean it actually works today :) > > Can you give a specific example? The only problem I'm aware of for > those SoCs is drivers being outside of the mainline kernel. Clearly > having support for loadable modules helps SoC vendors because it > allows them to support a new platform with an existing binary kernel > by shipping third-party driver modules, but for stuff that is already > in mainline, we could in theory support all hardware in a single gigantic > binary kernel with no support for loadable modules at all. That did not work for many drivers for some reason, look at all the work Saravana had to do in the driver core and device tree code for it to happen correctly over the past year. thanks, greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel