4.14-stable review patch. If anyone has any objections, please let me know.
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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>; }; }; };