Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp957014pxb; Wed, 3 Mar 2021 22:28:45 -0800 (PST) X-Google-Smtp-Source: ABdhPJx0gcUjYrlfaWaOYrfwfnvO6lGpdaDkvxH4rw1M0qxSILK6ZIEXFQGRWRjQVqAW3yjrx4SY X-Received: by 2002:a17:907:2bdd:: with SMTP id gv29mr2441484ejc.259.1614839324875; Wed, 03 Mar 2021 22:28:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1614839324; cv=none; d=google.com; s=arc-20160816; b=hzueP7I2v4Bh4+4rebK9m5rpFecPd7PUXtZI+2xm+2oKDESehrvcJzJQg8gOCf1oT7 Ovgm1o6caOROlS1y1b6/+TUd/H61Mb2NbuFP/zHH2lSzd9G9YcVIJGo8PhYvtvtx9MpU rW/4amGZ5UAogQzJO94xKlwnHFN0eUlA61L5ZfZD+Hho6MCo1I8iC2/1fgW0eUXoKn7w gWQQsDobz2RAIK6HtcozHZQO3cPER5RVg+cbgrogL9+p8GxO8vlBjXf5oVqjj0oUA9Lz RkY+CoR8lTTCqSj7Me/mf2rN3svVyC6r2H5lVdVU+fuJVJpV830AHBvH9OT+YXLYq4EH 4ptw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:user-agent:references:in-reply-to :date:cc:to:from:subject:message-id; bh=0Lu6hZUHWPk1SvokNTgEFPpDD9LzobtaJedXO/YyTy8=; b=e3eUbkc/bqKitHV2Mx2ag82y+25ADXV7Zc7+fXOKJRuOGRJnIbQL7Iu+ZahRwb2FyJ UQDJ4IDZmFfzt668riDqnZFGj24zsLstO4ZJG8v1CVbBK4yBIGuqFI0Vu3dWkG97zQCA 6K3Rp37E0oYsv9T/xnps94EopFdnIAbE3gqgHQ/JC9rLemyUT+LD+Yf888oPQu/nW+LI TD8E5oN2xjGty9pRwOcSAhbNsF6TgjXalhN4XrfX9iFfl/Ou7AL+eQq/cWezJUwVb2Al LCMHOhwhzshVU/pF5Cehajx+3K+omcS/9SwmfdE0k/qBIeEjmT+AZS91jFX0cnPnxRth WoQw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s14si7660359edx.521.2021.03.03.22.28.22; Wed, 03 Mar 2021 22:28:44 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1579160AbhCBQ2g (ORCPT + 99 others); Tue, 2 Mar 2021 11:28:36 -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--