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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 E894BC4360C for ; Tue, 2 Mar 2021 16:30:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFF2C64F1B for ; Tue, 2 Mar 2021 16:30:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1579171AbhCBQ2i (ORCPT ); Tue, 2 Mar 2021 11:28:38 -0500 Received: from mx2.suse.de ([195.135.220.15]:43008 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1572973AbhCBOIU (ORCPT ); Tue, 2 Mar 2021 09:08:20 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id AF120AFF5; Tue, 2 Mar 2021 14:06:59 +0000 (UTC) Message-ID: <6c26302c546afb4d9d35e044b3b5d643704d46a5.camel@suse.de> Subject: Re: [RFC 10/13] iommu/arm-smmu-impl: Get rid of Marvell's implementation details From: Nicolas Saenz Julienne To: Robin Murphy , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: f.fainelli@gmail.com, robh+dt@kernel.org, ardb@kernel.org, hch@infradead.org, narmstrong@baylibre.com, dwmw2@infradead.org, linux@armlinux.org.uk, catalin.marinas@arm.com, arnd@arndb.de, will@kernel.org Date: Tue, 02 Mar 2021 15:06:58 +0100 In-Reply-To: <96b6c3e4-d9d3-270e-6d8e-7c826ae11827@arm.com> References: <20210226140305.26356-1-nsaenzjulienne@suse.de> <20210226140305.26356-11-nsaenzjulienne@suse.de> <96b6c3e4-d9d3-270e-6d8e-7c826ae11827@arm.com> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-/u4BP8h9tAaw6XMVTBaB" User-Agent: Evolution 3.38.4 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-/u4BP8h9tAaw6XMVTBaB Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2021-03-02 at 11:40 +0000, Robin Murphy wrote: > On 2021-02-26 14:03, Nicolas Saenz Julienne wrote: > > arm-smmu can now deal with integrations on buses that don't support > > 64bit MMIO accesses. No need to create a special case for that on > > Marvell's integration. >=20 > This breaks compatibility with existing DTs. Yes. On top of that, I had a brief word with robh on the topic of DT properties. I'm going to explore alternatives that don't depend on it. Regards, Nicolas --=-/u4BP8h9tAaw6XMVTBaB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEErOkkGDHCg2EbPcGjlfZmHno8x/4FAmA+RoIACgkQlfZmHno8 x/4MCAf/TpAOjoNHKE4k6N89MnAltLVWF4UlHKUz/tIYugJ2GUImpgURvwxaudOX nQvFM1vEiW60EjrG6P++8r5z+GGnkazSz4KOCfgMrog9XjRqNPghs1912LeSuBuW w94CUzLy/cXbAHwb7Ll6c3rF47fIwoYvl+ii7+n858wTmIw9yLjxZrnwA61aEUha wmqCaMgudz9OtfDOAxhG9wCuG+IAXCRFeWffG9+JrVhO1gOnJlESt0YExV71G/Kw k+q5VwnH9VuTE+PrngfiNdLmhmW04idgTsVnPIOt1NZLZxJLXbryufQmL+jWOBxq rSF6APg/ku0+yfHJZorjZlkJm8QTFw== =iVwW -----END PGP SIGNATURE----- --=-/u4BP8h9tAaw6XMVTBaB--