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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Bhadram Varka <vbhadram@nvidia.com>,
        Thierry Reding <treding@nvidia.com>,
        Sasha Levin <alexander.levin@microsoft.com>
Subject: [PATCH 4.16 162/279] arm64: tegra: Make BCM89610 PHY interrupt as active low
Date:   Mon, 18 Jun 2018 10:12:27 +0200
Message-Id: <20180618080615.529941534@linuxfoundation.org>
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4.16-stable review patch.  If anyone has any objections, please let me know.

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

From: Bhadram Varka <vbhadram@nvidia.com>

[ Upstream commit 9df50ba76ac1485b844beffa1f3f5d9659d9cdaf ]

Need to configure PHY interrupt as active low for P3310 Tegra186
platform otherwise it results in spurious interrupts.

This issue wasn't seen before because the generic PHY driver without
interrupt support was used.

Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
@@ -46,7 +46,7 @@
 				compatible = "ethernet-phy-ieee802.3-c22";
 				reg = <0x0>;
 				interrupt-parent = <&gpio>;
-				interrupts = <TEGRA_MAIN_GPIO(M, 5) IRQ_TYPE_LEVEL_HIGH>;
+				interrupts = <TEGRA_MAIN_GPIO(M, 5) IRQ_TYPE_LEVEL_LOW>;
 			};
 		};
 	};