Thread (1 message) 1 message, 1 author, 2017-06-15
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[PATCH v2 3/3] arm64: dts: marvell: add a comment on the cp110 slave node status

From: Gregory CLEMENT <hidden>
Date: 2017-06-15 16:27:17

Hi Antoine,
 
 On jeu., juin 15 2017, Antoine Tenart [off-list ref] wrote:
The cryptographic engine found on the cp110 slave is disabled by default
because of some known limitations. Add a comment to explain why it is
disabled by default.

Signed-off-by: Antoine Tenart <redacted>

Applied on mvebu/dt64

Thanks,

Gregory
quoted hunk
---
 arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
index 7e98c155cc6a..385ac30d6012 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
@@ -234,6 +234,13 @@
 						  "ring2", "ring3", "eip";
 				clocks = <&cps_syscon0 1 26>;
 				dma-mask = <0xff 0xffffffff>;
+				/*
+				 * The cryptographic engine found on the cp110
+				 * master is enabled by default at the SoC
+				 * level. Because it is not possible as of now
+				 * to enable two cryptographic engines in
+				 * parallel, disable this one by default.
+				 */
 				status = "disabled";
 			};
 		};
-- 
2.9.4
-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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