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=-5.5 required=3.0 tests=MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 8839EC43382 for ; Thu, 27 Sep 2018 18:41:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4AD31215E4 for ; Thu, 27 Sep 2018 18:41:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4AD31215E4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728539AbeI1BBV (ORCPT ); Thu, 27 Sep 2018 21:01:21 -0400 Received: from mail-oi1-f196.google.com ([209.85.167.196]:37057 "EHLO mail-oi1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727320AbeI1BBV (ORCPT ); Thu, 27 Sep 2018 21:01:21 -0400 Received: by mail-oi1-f196.google.com with SMTP id e17-v6so2200447oib.4; Thu, 27 Sep 2018 11:41:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=hed8RYzjJfUODh0Htzkg07eyIXwRSP5IwZH2p1T0Itc=; b=J4Bo9fyc7fE4izReMzgd8yn+L6Z0WWlMEFo/9crj2IfN9wFBBZRqdyNOt4fcdzaWAd BxdscVsM3f0cJw47SpQw5HcxaY+qo5WSVjOGvoSK92LhMs2IYDzIYAc8ApMJMN6eOqBm 2PIzN5hfBiAZlVvvW1mye4vJgJX/qxolLOuZthAbVBt0/Sz0doxt9oE1U+15uWGQWa3s 22QjFH5hYG6V3Pn3m4CTHfSjkhAWQQPxHYB3HwyB+IzG/oOqsMS4ObqpQu84ZLUcXUBR s6k2vQ60ZW2gljq+eldgTiizjKROyyanvKrxwX66uYzP9Lrzp4Iy7JBCweLGXm981oss qvHA== X-Gm-Message-State: ABuFfojZPiNnJ4WNHwLlUin5rbkdvpbQlh9VpSF1QLa3qzUqLDV/PDc8 rY+sQGHGnxJxnY83q/eUiiFybb/dy+Ca X-Google-Smtp-Source: ACcGV62IykZTAsYnegdu51GNt3Fcl0RZ5nHZJVlYcq0vtMfOxZsL9KvDIZOljdhw40iXmPIhwPMg1g== X-Received: by 2002:aca:c42:: with SMTP id i2-v6mr4046529oiy.219.1538073704276; Thu, 27 Sep 2018 11:41:44 -0700 (PDT) Received: from localhost (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id l49-v6sm1035835otd.60.2018.09.27.11.41.43 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 27 Sep 2018 11:41:43 -0700 (PDT) Date: Thu, 27 Sep 2018 13:41:43 -0500 From: Rob Herring To: Dmitry Osipenko Cc: Thierry Reding , Jonathan Hunter , Joerg Roedel , Robin Murphy , iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 06/20] dt-bindings: memory: tegra: Squash tegra20-gart into tegra20-mc Message-ID: <20180927184143.GA24866@bogus> References: <20180924004153.8232-1-digetx@gmail.com> <20180924004153.8232-7-digetx@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180924004153.8232-7-digetx@gmail.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 Mon, 24 Sep 2018 03:41:39 +0300, Dmitry Osipenko wrote: > Splitting GART and Memory Controller wasn't a good decision that was made > back in the day. Given that the GART driver wasn't ever been used by > anything in the kernel, we decided that it will be better to correct the > mistakes of the past and merge two bindings into a single one. As a result > there is a DT ABI change for the Memory Controller that allows not to > break newer kernels using older DT and not to break older kernels using > newer DT, that is done by changing the 'compatible' of the node to > 'tegra20-mc-gart' and adding a new-required clock property. The new clock > property also puts the tegra20-mc binding in line with the bindings of the > later Tegra generations. > > Signed-off-by: Dmitry Osipenko > --- > .../bindings/iommu/nvidia,tegra20-gart.txt | 14 ---------- > .../memory-controllers/nvidia,tegra20-mc.txt | 27 +++++++++++++------ > 2 files changed, 19 insertions(+), 22 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/iommu/nvidia,tegra20-gart.txt > Reviewed-by: Rob Herring