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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 7D029C4CECE for ; Mon, 14 Oct 2019 10:00:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5757820663 for ; Mon, 14 Oct 2019 10:00:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731198AbfJNKAb (ORCPT ); Mon, 14 Oct 2019 06:00:31 -0400 Received: from mx2.suse.de ([195.135.220.15]:44636 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731119AbfJNKAa (ORCPT ); Mon, 14 Oct 2019 06:00:30 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 01915B744; Mon, 14 Oct 2019 10:00:27 +0000 (UTC) Message-ID: Subject: Re: [PATCH 07/11] dts: arm64: layerscape: add dma-ranges property to qoric-mc node From: Nicolas Saenz Julienne To: Shawn Guo Cc: robh+dt@kernel.org, devicetree@vger.kernel.org, frowand.list@gmail.com, linux-arm-kernel@lists.infradead.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org, etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org, xen-devel@lists.xenproject.org, linux-tegra@vger.kernel.org, linux-media@vger.kernel.org, linux-pci@vger.kernel.org, Li Yang , mbrugger@suse.com, robin.murphy@arm.com, f.fainelli@gmail.com, james.quinlan@broadcom.com, wahrenst@gmx.net, Mark Rutland Date: Mon, 14 Oct 2019 12:00:25 +0200 In-Reply-To: <20191014082847.GH12262@dragon> References: <20190924181244.7159-1-nsaenzjulienne@suse.de> <20190924181244.7159-8-nsaenzjulienne@suse.de> <20191014082847.GH12262@dragon> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-ZhF7YshJftYaREkjx+2D" User-Agent: Evolution 3.32.4 MIME-Version: 1.0 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org --=-ZhF7YshJftYaREkjx+2D Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2019-10-14 at 16:28 +0800, Shawn Guo wrote: > On Tue, Sep 24, 2019 at 08:12:38PM +0200, Nicolas Saenz Julienne wrote: > > qoriq-mc's dpmacs DMA configuration is inherited from their parent node= , > > which acts a bus in this regard. So far it maked all devices as > > dma-coherent but no dma-ranges recommendation is made. > >=20 > > The truth is that the underlying interconnect has DMA constraints, so > > add an empty dma-ranges in qoriq-mc's node in order for DT's DMA > > configuration code to get the DMA constraints from it. > >=20 > > Signed-off-by: Nicolas Saenz Julienne >=20 > Updated subject prefix as 'arm64: dts: ...', and applied the patch. Hi Shawn, these two patches are no longer needed. This series has been superseded by = this patch[1] 951d48855d ('of: Make of_dma_get_range() work on bus nodes', avail= able in linux-next) which fixed the issue directly in OF code. Sorry for the noise. Regards, Nicolas [1] https://lkml.org/lkml/2019/10/8/870 --=-ZhF7YshJftYaREkjx+2D 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/4FAl2kRzkACgkQlfZmHno8 x/7Fhwf+OOorwS/yz7Mxwwgctc4wXslUVL4P1ubRvAEQYZ0UGUVtM1WJqXjukymn ydYIWe6mnmNSQqGYAEBcjzP/We/MxjMkpvpyMWkiJXiZvwXRs43BAcW5/eyvHNfD EEF3n4HCXZYSbmR9kDBwpZPKeoMCsQJbZuEF6rHwGNZeKA+tVpMZFEC17BGhW8LW MGx2W+1mXq7lLuDI5AIfnMt5Cqgl1IcsCzq4a2uRzNLXEDiQ5MFXaHVzroE0wWOQ O6GCM0HAcnR1wi0pZgEgDQyFQeiI4txKfLZ0P1z8zgVM+bFtNum4qIrtLbYm0Ny0 y7htdJL8WlxXRHkbLVXIj0D71OiRYQ== =Ip4t -----END PGP SIGNATURE----- --=-ZhF7YshJftYaREkjx+2D--