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 a0f7f461f48c..2dadb836c5fe 100644 --- a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts +++ b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts @@ -717,7 +717,7 @@ 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>;