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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 C68F7C06510 for ; Tue, 2 Jul 2019 13:22:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9FF3E2146F for ; Tue, 2 Jul 2019 13:22:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="rpAw8Gjz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727065AbfGBNWe (ORCPT ); Tue, 2 Jul 2019 09:22:34 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:44372 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725922AbfGBNWc (ORCPT ); Tue, 2 Jul 2019 09:22:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Z/ZbN5cvj2XpUVIzcCPq0VBb2qvNquH4MnclmPIzjtI=; b=rpAw8GjzIoT4tfLgsUvItvY4Z 4ndgUhYh3ga80TcUWABfWQhk7MnXqq8n+S5NQuHFSVDLRhdPbLqDBNQngUYzO60/tqBeyYvt5Qjnr gKPSxnHhPBFbywm3ZRyhbBRhDYzEC4FNLqqjCK6dwAuXAc0u2zOlworvf4WVRIKWQ3Kv8cfAMzhlx 0USGvtICfe7ZXeyp/7Xzt341i+kQiXRVIGAHb6jKNhS3uKvFR6C+XBAtmBBJJBysW/VVfsWMVH2dB c2VOSxXwc/RiYqv7EufM/g7qK6ieXSzrhPBZXqZp6cdSxZJTz+A/VhclZ08khm+oJXRC5IPpsX7jQ zVTtAppxw==; Received: from hch by bombadil.infradead.org with local (Exim 4.92 #3 (Red Hat Linux)) id 1hiIjt-0004Xq-JT; Tue, 02 Jul 2019 13:22:29 +0000 Date: Tue, 2 Jul 2019 06:22:29 -0700 From: Christoph Hellwig To: Clement Leger Cc: Ohad Ben-Cohen , Bjorn Andersson , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Loic Pallardy Subject: Re: [PATCH v2] remoteproc: copy parent dma_pfn_offset for vdev Message-ID: <20190702132229.GA8100@infradead.org> References: <20190612095521.4703-1-cleger@kalray.eu> <20190701070245.32083-1-cleger@kalray.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190701070245.32083-1-cleger@kalray.eu> User-Agent: Mutt/1.11.4 (2019-03-13) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is just increasing the mess remoteproc has created with the vdev. It is poking its nose way to deep into the DMA layer internals, and creating massive problems that way. Can we go back to the table and figure out what the root problem even was? To me it seems if you clearly need separate devices they should be declared as such in the device tree.