From: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
[ 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@xxxxxxxxxx>
Acked-By: Iskren Chernev <iskren.chernev@xxxxxxxxx>
Tested-By: Iskren Chernev <iskren.chernev@xxxxxxxxx>
Link: https://lore.kernel.org/r/20210303182816.137255-2-krzk@xxxxxxxxxx
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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
