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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0ED0C433F5 for ; Wed, 9 Mar 2022 12:43:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231339AbiCIMov (ORCPT ); Wed, 9 Mar 2022 07:44:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59176 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230231AbiCIMov (ORCPT ); Wed, 9 Mar 2022 07:44:51 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CFA0C53711; Wed, 9 Mar 2022 04:43:52 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6371661995; Wed, 9 Mar 2022 12:43:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0704FC340E8; Wed, 9 Mar 2022 12:43:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1646829831; bh=NfpZrz/N2z7mKEqxDudtRMZkspXLAswLYMQk23y6/AQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tK04+G+eh8HiQbfVzo9KJZkzySqvXhheh+6DNZALmaiC5uoP6ANl6ksKfrnZblpEj xJox+Mo4pseHbX09hV9KZEr56gERT0PfU0NE7Wjh+nVj/rq4wqfzdpOAUuQTZN3TT1 077EIBTVvrTrRZQmwdTNY4BUhDcPkbe9fjZ8c+pZy5S1PAzm/FRtbZa/ruI/4ZIXoC df2bLserL/oi/mFV/ThJf22+yNn6vYfI9pYwFj9WH4mDMxXD0luAGRVZQgp6dRVYjG Zp90lJjXbWJ89zAUmeE3fYGaHhEx9r7kdE7UNPnnFTH45OKTE75xWk9chKicR3QjsV IjozpGq4upSBA== Date: Wed, 9 Mar 2022 12:43:45 +0000 From: Will Deacon To: Thierry Reding Cc: Joerg Roedel , Robin Murphy , Rob Herring , Jon Hunter , iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2 1/4] dt-bindings: arm-smmu: Document nvidia,memory-controller property Message-ID: <20220309124344.GF397@willie-the-truck> References: <20211209163600.609613-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org On Tue, Mar 08, 2022 at 04:59:05PM +0100, Thierry Reding wrote: > On Wed, Feb 16, 2022 at 02:25:20PM +0100, Thierry Reding wrote: > > On Thu, Dec 09, 2021 at 05:35:57PM +0100, Thierry Reding wrote: > > > From: Thierry Reding > > > > > > On NVIDIA SoC's the ARM SMMU needs to interact with the memory > > > controller in order to map memory clients to the corresponding stream > > > IDs. Document how the nvidia,memory-controller property can be used to > > > achieve this. > > > > > > Note that this is a backwards-incompatible change that is, however, > > > necessary to ensure correctness. Without the new property, most of the > > > devices would still work but it is not guaranteed that all will. > > > > > > Signed-off-by: Thierry Reding > > > --- > > > Changes in v2: > > > - clarify why the new nvidia,memory-controller property is required > > > > > > .../devicetree/bindings/iommu/arm,smmu.yaml | 17 +++++++++++++++++ > > > 1 file changed, 17 insertions(+) > > > > Hi Joerg, > > > > can you pick up patches 1-3 of this series? DT bindings have been > > reviewed by Rob and Will acked the ARM SMMU change. I can take the > > device tree changes (patch 4) through the Tegra tree. > > Will, Robin, Joerg, > > I haven't seen this show up in linux-next yet but was hoping to see this > go in for v5.18. Anything I can do to help this move along? Hmm, I guess I could've taken 1-3, but after your message to Joerg I just Acked the driver change on the assumption that was a dependency or something. In any case, I'm happy for Joerg to pick these three up directly if he has time this late in the cycle. Will