linux-kernel - [PATCH 4.13 23/27] ARM64: dts: marvell: armada-37xx: Fix GIC maintenance interrupt

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Message-Id: <20170912165310.595040923@linuxfoundation.org>
Date:   Tue, 12 Sep 2017 10:00:03 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Marc Zyngier <marc.zyngier@....com>,
        Gregory CLEMENT <gregory.clement@...e-electrons.com>
Subject: [PATCH 4.13 23/27] ARM64: dts: marvell: armada-37xx: Fix GIC maintenance interrupt

4.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Marc Zyngier <marc.zyngier@....com>

commit 95696d292e204073433ed2ef3ff4d3d8f42a8248 upstream.

The GIC-500 integrated in the Armada-37xx SoCs is compliant with
the GICv3 architecture, and thus provides a maintenance interrupt
that is required for hypervisors to function correctly.

With the interrupt provided in the DT, KVM now works as it should.
Tested on an Espressobin system.

Fixes: adbc3695d9e4 ("arm64: dts: add the Marvell Armada 3700 family and a development board")
Signed-off-by: Marc Zyngier <marc.zyngier@....com>
Signed-off-by: Gregory CLEMENT <gregory.clement@...e-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm64/boot/dts/marvell/armada-37xx.dtsi |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
@@ -323,6 +323,7 @@
 				interrupt-controller;
 				reg = <0x1d00000 0x10000>, /* GICD */
 				      <0x1d40000 0x40000>; /* GICR */
+				interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
 			};
 		};