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=-2.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 00A54C4724C for ; Fri, 1 May 2020 17:20:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 CCE5B2137B for ; Fri, 1 May 2020 17:20:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Tu+lTIkz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CCE5B2137B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.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=vZ7e5DoScHBfVSQa0B1le4w13gszhUCSEhm7v2YddgQ=; b=Tu+lTIkzDCjnpE dSID3OQgHuRuj7i5EmaiCfDOsZUfxh4VtFoe6l/rr/thsGP1gEjzVjipcLZ/aXbxpZS6yr71jUW/I 1UJg/fkPghbUZ3y6PPNZ5dxOHwk6c6d1RJOCXYCnbqVw9KwqDhddY+yb7ZA2jnwBwURxP/qaPJPkW DMvmva51pS5QsrNJ9/6jGWSaqXnIR5wtwy/4FU/Ejy1ChidI7Ibil063xkcXtXdHuT7wXIveZlOxv c+HtAXC5JDuCxHuIiASxoJ3adZF5mT7XUXRH0jmxDxHzrGF4HbCJ7OAnmztga0xODtl+XCCZ8vO3e bjfjdIjh2iGrRTvLnSww==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jUZL5-0004B2-Cp; Fri, 01 May 2020 17:20:39 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jUZL2-0004A0-QP for linux-arm-kernel@lists.infradead.org; Fri, 01 May 2020 17:20:38 +0000 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 0B2D930E; Fri, 1 May 2020 10:20:36 -0700 (PDT) Received: from bogus (unknown [10.37.12.80]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 764B23F305; Fri, 1 May 2020 10:20:32 -0700 (PDT) Date: Fri, 1 May 2020 18:20:29 +0100 From: Sudeep Holla To: Rob Herring Subject: Re: [PATCH v2 00/17] Modularizing Versatile Express Message-ID: <20200501172029.GM14018@bogus> References: <20200429205825.10604-1-robh@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200429205825.10604-1-robh@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200501_102036_899453_57E6EF4E X-CRM114-Status: GOOD ( 14.28 ) 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: Lorenzo Pieralisi , Arnd Bergmann , linux-pm@vger.kernel.org, Stephen Boyd , Catalin Marinas , Linus Walleij , Kevin Brodsky , Liviu Dudau , Sebastian Reichel , Sudeep Holla , Will Deacon , Greg Kroah-Hartman , Lee Jones , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Apr 29, 2020 at 03:58:09PM -0500, Rob Herring wrote: > This series enables building various Versatile Express platform drivers > as modules. The primary target is the Fast Model FVP which is supported > in Android. As Android is moving towards their GKI, or generic kernel, > the hardware support has to be in modules. Currently ARCH_VEXPRESS > enables several built-in only drivers. Some of these are needed, but > some are only needed for older 32-bit VExpress platforms and can just > be disabled. For FVP, the pl111 display driver is needed. The pl111 > driver depends on vexpress-osc clocks which had a dependency chain of > vexpress-config --> vexpress-syscfg --> vexpress-sysreg. These > components relied on fixed initcall ordering and didn't support deferred > probe which would have complicated making them modules. All these levels > of abstraction are needlessly complicated, so this series simplifies > things a bit by merging the vexpress-config and vexpress-syscfg > functionality. > > There's a couple of other pieces to this which I've sent out separately > as they don't have dependencies with this series. The cross subsystem > dependencies in this series are mainly the ordering of enabling drivers > as modules. > > A complete git branch is here[1]. Tested on Fast Model FVP Rev C. I am assuming you will send pull request to ARM SoC guys directly. Let me know what's the plan if that's not the case. -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel