Quoting Krzysztof Kozlowski (2021-05-26 10:20:31) > From: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > > Interrupt line can be configured on different hardware in different way, > even inverted. Therefore driver should not enforce specific trigger > type - edge falling - but instead rely on Devicetree to configure it. > > The Maxim 77686 datasheet describes the interrupt line as active low > with a requirement of acknowledge from the CPU therefore the edge > falling is not correct. > > The interrupt line is shared between PMIC and RTC driver, so using level > sensitive interrupt is here especially important to avoid races. With > an edge configuration in case if first PMIC signals interrupt followed > shortly after by the RTC, the interrupt might not be yet cleared/acked > thus the second one would not be noticed. > > Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > Acked-by: Rob Herring <robh@xxxxxxxxxx> > > --- Acked-by: Stephen Boyd <sboyd@xxxxxxxxxx> # clock binding
