[PATCH v2] arm64: dts: marvell: mark the cp110 crypto engine as dma coherent

[Antoine Tenart]

The crypto engines found on the cp110 master and slave are dma coherent.
This patch adds the relevant property to their dt nodes.

Cc: stable at vger.kernel.org # v4.12+
Fixes: 973020fd9498 ("arm64: marvell: dts: add crypto engine description for 7k/8k")
Signed-off-by: Antoine Tenart <antoine.tenart at free-electrons.com>
---

Since v1: added the 'Fixes:' and 'Cc: stable' tags.

 arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi | 1 +
 arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
index 726528ce54e9..4c68605675a8 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
@@ -270,6 +270,7 @@
 				interrupt-names = "mem", "ring0", "ring1",
 				"ring2", "ring3", "eip";
 				clocks = <&cpm_clk 1 26>;
+				dma-coherent;
 			};
 		};
 
diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
index 95f8e5f607f6..0dbb59811d00 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
@@ -261,6 +261,7 @@
 				interrupt-names = "mem", "ring0", "ring1",
 						  "ring2", "ring3", "eip";
 				clocks = <&cps_clk 1 26>;
+				dma-coherent;
 				/*
 				 * The cryptographic engine found on the cp110
 				 * master is enabled by default at the SoC
-- 
2.13.3