linux-kernel - [PATCH 1/1] arm64: tegra: fix PPI interrupt flag

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Date:   Mon, 3 Apr 2017 11:19:54 +0000
From:   Aniruddha Banerjee <aniruddhab@...dia.com>
To:     Thierry Reding <treding@...dia.com>,
        Jonathan Hunter <jonathanh@...dia.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        Alexander Van Brunt <avanbrunt@...dia.com>
Subject: [PATCH 1/1] arm64: tegra: fix PPI interrupt flag

The interrupt flag for PPI should not be set to any value, since the
register is read-only. Fix the flags for the PPI interrupts to
IRQ_TYPE_NONE, so that there is no write to the read-only register.

Signed-off-by: Aniruddha Banerjee <aniruddhab@...dia.com>
---
 arch/arm64/boot/dts/nvidia/tegra132.dtsi | 8 ++++----
 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 8 ++++----
 arch/arm64/boot/dts/nvidia/tegra210.dtsi | 8 ++++----
 3 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra132.dtsi b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
index 3f3a46a4bd01..219fb3c6a273 100644
--- a/arch/arm64/boot/dts/nvidia/tegra132.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
@@ -1093,13 +1093,13 @@
 	timer {
 		compatible = "arm,armv7-timer";
 		interrupts = <GIC_PPI 13
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>,
 			     <GIC_PPI 14
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>,
 			     <GIC_PPI 11
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>,
 			     <GIC_PPI 10
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>;
 		interrupt-parent = <&gic>;
 	};
 };
diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 62fa85ae0271..e602299f7694 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -390,13 +390,13 @@
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 13
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>,
 			     <GIC_PPI 14
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>,
 			     <GIC_PPI 11
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>,
 			     <GIC_PPI 10
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>;
 		interrupt-parent = <&gic>;
 	};
 };
diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
index 2f832df29da8..6f3060b40a40 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
@@ -1214,13 +1214,13 @@
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 13
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>,
 			     <GIC_PPI 14
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>,
 			     <GIC_PPI 11
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>,
 			     <GIC_PPI 10
-				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_NONE)>;
 		interrupt-parent = <&gic>;
 	};
 
-- 
2.11.0