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From patchwork Sun Jan 13 02:17:19 2019
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From: Samuel Holland <samuel@sholland.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Maxime Ripard <maxime.ripard@bootlin.com>, Chen-Yu Tsai <wens@csie.org>,
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Daniel Lezcano <daniel.lezcano@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>, Marc Zyngier <marc.zyngier@arm.com>
Subject: [PATCH v3 2/2] arm64: dts: allwinner: a64: Enable A64 timer
workaround
Date: Sat, 12 Jan 2019 20:17:19 -0600
Message-Id: <20190113021719.46457-3-samuel@sholland.org>
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Cc: devicetree@vger.kernel.org, linux-sunxi@googlegroups.com,
linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Samuel Holland <samuel@sholland.org>
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As instability in the architectural timer has been observed on multiple
devices using this SoC, inluding the Pine64 and the Orange Pi Win,
enable the workaround in the SoC's device tree.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
---
arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index f3a66f888205..13eac92a8c55 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -175,6 +175,7 @@
timer {
compatible = "arm,armv8-timer";
+ allwinner,erratum-unknown1;
interrupts = <GIC_PPI 13
(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
<GIC_PPI 14
|
