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From patchwork Fri May 11 02:27:51 2018
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Subject: [2/2] arm64: dts: allwinner: a64: Enable A64 timer workaround
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From: Samuel Holland <samuel@sholland.org>
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X-Patchwork-Id: 10392889
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Message-Id: <20180511022751.9096-3-samuel@sholland.org>
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To: Maxime Ripard <maxime.ripard@bootlin.com>, Chen-Yu Tsai <wens@csie.org>, 
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 Catalin Marinas <catalin.marinas@arm.com>,
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 Will Deacon <will.deacon@arm.com>,
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 Daniel Lezcano <daniel.lezcano@linaro.org>,
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 Thomas Gleixner <tglx@linutronix.de>, Marc Zyngier <marc.zyngier@arm.com>
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Cc: linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org,
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 linux-arm-kernel@lists.infradead.org, Samuel Holland <samuel@sholland.org>
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Date: Thu, 10 May 2018 21:27:51 -0500
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As instability in the architectural timer has been observed on multiple
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devices using this SoC, inluding the Pine64 and the Orange Pi Win,
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enable the workaround in the SoC's device tree.
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Signed-off-by: Samuel Holland <samuel@sholland.org>
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---
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 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 1 +
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 1 file changed, 1 insertion(+)
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diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
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index 1b2ef28c42bd..5202b76e9684 100644
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--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
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+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
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@@ -152,6 +152,7 @@
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 	timer {
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 		compatible = "arm,armv8-timer";
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+		allwinner,sun50i-a64-unstable-timer;
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 		interrupts = 
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 			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
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