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=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 A0827C4CECE for ; Mon, 14 Oct 2019 08:29:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 752B1207FF for ; Mon, 14 Oct 2019 08:29:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571041754; bh=4xRYNc1AsGeEeRyhMqeyE0eI5lZWBeRZlGnQlsC3iT8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=qNDnS9y7Uui+zwigEWHhjhxnB1T6cXkbmlOP8015KDR58q/EFpGNarUr787Et7n60 PuTwL0vMOZ/G4ix9spGUy+aZSyVyoMc/jrLxES4cJFQ2dNQZbj7yppUyWl29kZycq+ wO/lkLJl7NyZ0Ebcr6+febRgyWlf/os4bgdvtOGs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729234AbfJNI3O (ORCPT ); Mon, 14 Oct 2019 04:29:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:56478 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725936AbfJNI3O (ORCPT ); Mon, 14 Oct 2019 04:29:14 -0400 Received: from dragon (li937-157.members.linode.com [45.56.119.157]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 975F220673; Mon, 14 Oct 2019 08:28:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571041752; bh=4xRYNc1AsGeEeRyhMqeyE0eI5lZWBeRZlGnQlsC3iT8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=poW3FdOhnfzxFqeIBCD96TFK9ogf+8ey1lA8yG5SXAHL0D+X3YPBSgIrE4MospI+Z hb7zs1kMA8wdggiEu844GDKWPb4Rcib/9/G/2T7FwutmRJD3ym78J+PHMeoJEufODN RPspDY69Cl+C4TjFoM9KzAMs5IyG7dvkprUUGz3U= Date: Mon, 14 Oct 2019 16:28:49 +0800 From: Shawn Guo To: Nicolas Saenz Julienne 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 Subject: Re: [PATCH 07/11] dts: arm64: layerscape: add dma-ranges property to qoric-mc node Message-ID: <20191014082847.GH12262@dragon> References: <20190924181244.7159-1-nsaenzjulienne@suse.de> <20190924181244.7159-8-nsaenzjulienne@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190924181244.7159-8-nsaenzjulienne@suse.de> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org 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. > > 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. > > Signed-off-by: Nicolas Saenz Julienne Updated subject prefix as 'arm64: dts: ...', and applied the patch. Shawn > --- > > arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 1 + > arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 1 + > arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 1 + > 3 files changed, 3 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi > index c676d0771762..f0d0b6145b72 100644 > --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi > @@ -698,6 +698,7 @@ > <0x00000000 0x08340000 0 0x40000>; /* MC control reg */ > msi-parent = <&its>; > iommu-map = <0 &smmu 0 0>; /* This is fixed-up by u-boot */ > + dma-ranges; > dma-coherent; > #address-cells = <3>; > #size-cells = <1>; > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi > index 7a0be8eaa84a..fd6036b7865c 100644 > --- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi > +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi > @@ -340,6 +340,7 @@ > <0x00000000 0x08340000 0 0x40000>; /* MC control reg */ > msi-parent = <&its>; > iommu-map = <0 &smmu 0 0>; /* This is fixed-up by u-boot */ > + dma-ranges; > dma-coherent; > #address-cells = <3>; > #size-cells = <1>; > diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi > index 408e0ecdce6a..3735bb139cb2 100644 > --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi > +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi > @@ -868,6 +868,7 @@ > msi-parent = <&its>; > /* iommu-map property is fixed up by u-boot */ > iommu-map = <0 &smmu 0 0>; > + dma-ranges; > dma-coherent; > #address-cells = <3>; > #size-cells = <1>; > -- > 2.23.0 >