linux-kernel - [PATCH 08/11] dts: arm64: layerscape: add dma-ranges property to pcie nodes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190924181244.7159-9-nsaenzjulienne@suse.de>
Date:   Tue, 24 Sep 2019 20:12:39 +0200
From:   Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
To:     robh+dt@...nel.org, devicetree@...r.kernel.org,
        frowand.list@...il.com, linux-arm-kernel@...ts.infradead.org,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, dmaengine@...r.kernel.org,
        etnaviv@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        xen-devel@...ts.xenproject.org, linux-tegra@...r.kernel.org,
        linux-media@...r.kernel.org, linux-pci@...r.kernel.org,
        Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>
Cc:     mbrugger@...e.com, robin.murphy@....com, f.fainelli@...il.com,
        james.quinlan@...adcom.com, wahrenst@....net,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Mark Rutland <mark.rutland@....com>
Subject: [PATCH 08/11] dts: arm64: layerscape: add dma-ranges property to pcie nodes

The bus behind the board's PCIe core has DMA addressing limitations. Add
an empty 'dma-ranges' property on all PCIe bus descriptions to inform
the OF core that a translation is due further down the line.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
---

 arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
index fd6036b7865c..2c41cfc66bb9 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
@@ -640,6 +640,7 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			dma-coherent;
+			dma-ranges;
 			num-viewport = <6>;
 			bus-range = <0x0 0xff>;
 			msi-parent = <&its>;
@@ -661,6 +662,7 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			dma-coherent;
+			dma-ranges;
 			num-viewport = <6>;
 			bus-range = <0x0 0xff>;
 			msi-parent = <&its>;
@@ -682,6 +684,7 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			dma-coherent;
+			dma-ranges;
 			num-viewport = <256>;
 			bus-range = <0x0 0xff>;
 			msi-parent = <&its>;
@@ -703,6 +706,7 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			dma-coherent;
+			dma-ranges;
 			num-viewport = <6>;
 			bus-range = <0x0 0xff>;
 			msi-parent = <&its>;
-- 
2.23.0