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 A5F74EB8FAF for ; Wed, 6 Sep 2023 11:23:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238118AbjIFLXW (ORCPT ); Wed, 6 Sep 2023 07:23:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232637AbjIFLXW (ORCPT ); Wed, 6 Sep 2023 07:23:22 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD59BA8; Wed, 6 Sep 2023 04:23:18 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A0D7FC433C7; Wed, 6 Sep 2023 11:23:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1693999398; bh=2cHacCoKsTGvLrvk3gCo6G7FHK+qUqCgjYnX8jmR7Dg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=n/xqTkkdHC5oM02n41XHX2EbeUu8Jh1xaGw2Y3HfWE/gLZ2UB1f/X+TJutvHrP2jr HmQbZvBkRhbKMj51LJrGoTdkMJO3nkV+cNBziwt8arBvvoUUt34piGjJ1/1f1eu3lv cnrURRK/sAB/rMUbADh3EGSf2lcfFsmwVfjPCQNokUGfi1yjZz3zUqsWGcoj3OkPn6 QA7Wh1dGcTpnzJJyDokgiPL8FaHgLpVuwLr6Wn+jpTmB5Ev2ZJ6wZFpV56OcXp6ZY2 i9n3fy7AGkQPLse1DpOjmYRN1Hj1Tz5HM+pp2575vQPUk8A6WV9PlZt88ir3GvKalj hBG4W9dteX5GA== Received: (nullmailer pid 992201 invoked by uid 1000); Wed, 06 Sep 2023 11:23:16 -0000 Date: Wed, 6 Sep 2023 06:23:16 -0500 From: Rob Herring To: Lorenzo Pieralisi Cc: Fang Xiang , Marc Zyngier , linux-arm-kernel@lists.infradead.org, Rob Herring , linux-kernel@vger.kernel.org, Mark Rutland , devicetree@vger.kernel.org, Robin Murphy Subject: Re: [PATCH v2 1/2] dt-bindings: interrupt-controller: arm,gic-v3: Add dma-noncoherent property Message-ID: <169399939583.992143.8154908772821151447.robh@kernel.org> References: <20230905104721.52199-1-lpieralisi@kernel.org> <20230906094139.16032-1-lpieralisi@kernel.org> <20230906094139.16032-2-lpieralisi@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230906094139.16032-2-lpieralisi@kernel.org> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Wed, 06 Sep 2023 11:41:38 +0200, Lorenzo Pieralisi wrote: > The GIC v3 specifications allow redistributors and ITSes interconnect > ports used to access memory to be wired up in a way that makes the > respective initiators/memory observers non-coherent. > > Add the standard dma-noncoherent property to the GICv3 bindings to > allow firmware to describe the redistributors/ITSes components and > interconnect ports behaviour in system designs where the redistributors > and ITSes are not coherent with the CPU. > > Signed-off-by: Lorenzo Pieralisi > Cc: Rob Herring > --- > .../bindings/interrupt-controller/arm,gic-v3.yaml | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > Reviewed-by: Rob Herring