ARM: tegra: cardhu: Correct interrupt trigger type of temperature sensor
authorDmitry Osipenko <digetx@gmail.com>
Mon, 2 Aug 2021 21:19:40 +0000 (00:19 +0300)
committerThierry Reding <treding@nvidia.com>
Fri, 13 Aug 2021 11:11:29 +0000 (13:11 +0200)
The LM90 temperature sensor should use edge-triggered interrupt because
LM90 hardware doesn't deassert interrupt line until temperature is back
to normal state, which results in interrupt storm. Correct the interrupt
trigger type.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
arch/arm/boot/dts/tegra30-cardhu.dtsi

index d9dd11569d4b20931905e25f025f60330c363641..448f1397e64a966b99811607fc2697e779c162ee 100644 (file)
                        reg = <0x4c>;
                        vcc-supply = <&sys_3v3_reg>;
                        interrupt-parent = <&gpio>;
-                       interrupts = <TEGRA_GPIO(CC, 2) IRQ_TYPE_LEVEL_LOW>;
+                       interrupts = <TEGRA_GPIO(CC, 2) IRQ_TYPE_EDGE_FALLING>;
                        #thermal-sensor-cells = <1>;
                };