From: Robin Murphy <robin.murphy@arm.com>
Date: Wed, 18 Jan 2017 12:12:50 +0000 (+0000)
Subject: arm64: dts: juno: add dma-ranges property
X-Git-Tag: v4.11-rc1~12^2^2~3
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=193d00a2b35e;p=linux-block.git

arm64: dts: juno: add dma-ranges property

The interconnects around Juno have a 40-bit address width, and DMA
masters have no restrictions beyond their own individual limitations.
Describe this to ensure that DT-based DMA masks get set up correctly
for all devices capable of 40-bit addressing.

Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---

diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index d410b9705dd6..3d2ff408589d 100644
--- a/arch/arm64/boot/dts/arm/juno-base.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
@@ -4,6 +4,7 @@
 	/*
 	 *  Devices shared by all Juno boards
 	 */
+	dma-ranges = <0 0 0 0 0x100 0>;
 
 	memtimer: timer@2a810000 {
 		compatible = "arm,armv7-timer-mem";