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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iJvj9-0005tC-IS; Mon, 14 Oct 2019 08:29:15 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iJvj6-0005sg-KG for linux-arm-kernel@lists.infradead.org; Mon, 14 Oct 2019 08:29:13 +0000 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 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-Disposition: inline In-Reply-To: <20190924181244.7159-8-nsaenzjulienne@suse.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191014_012912_703324_92F6F3A3 X-CRM114-Status: GOOD ( 15.06 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, mbrugger@suse.com, robin.murphy@arm.com, linux-arm-msm@vger.kernel.org, f.fainelli@gmail.com, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, etnaviv@lists.freedesktop.org, linux-tegra@vger.kernel.org, robh+dt@kernel.org, wahrenst@gmx.net, james.quinlan@broadcom.com, linux-pci@vger.kernel.org, dmaengine@vger.kernel.org, xen-devel@lists.xenproject.org, Li Yang , frowand.list@gmail.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel