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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, Krzysztof Kozlowski <krzk@kernel.org>,
        Iskren Chernev <iskren.chernev@gmail.com>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.11 229/601] ARM: dts: qcom: msm8974-samsung-klte: correct fuel gauge interrupt trigger level
Date:   Wed, 12 May 2021 16:45:06 +0200
Message-Id: <20210512144835.372289797@linuxfoundation.org>
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From: Krzysztof Kozlowski <krzk@kernel.org>

[ Upstream commit 5fde3361ba57a9b4eb560dabf859176909d61004 ]

The Maxim fuel gauge datasheets describe the interrupt line as active
low with a requirement of acknowledge from the CPU.  The falling edge
interrupt will mostly work but it's not correct.

Fixes: da8d46992e67 ("ARM: dts: qcom: msm8974-klte: Add fuel gauge")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-By: Iskren Chernev <iskren.chernev@gmail.com>
Tested-By: Iskren Chernev <iskren.chernev@gmail.com>
Link: https://lore.kernel.org/r/20210303182816.137255-2-krzk@kernel.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
index 97352de91314..64a3fdb79539 100644
--- a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
@@ -691,7 +691,7 @@
 			maxim,rcomp = /bits/ 8 <0x56>;
 
 			interrupt-parent = <&pma8084_gpios>;
-			interrupts = <21 IRQ_TYPE_EDGE_FALLING>;
+			interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
 
 			pinctrl-names = "default";
 			pinctrl-0 = <&fuelgauge_pin>;
-- 
2.30.2