On 03.03.2021 10:00:47, ukrfoil.com, Cтудиопак Украина, Восточный регион wrote:
> this with the IRQ_TYPE_EDGE_FALLING value
> > That looks good, the IRQ is not shared. Can you test again with
> > IRQ_TYPE_EDGE_FALLING in the DT instead of IRQ_TYPE_LEVEL_LOW?
Doh! Need more coffee.
Of course I mean try with IRQ_TYPE_LEVEL_LOW and check if the unmodified
mcp2515 driver with disable_irq() does work then.
> >
> > | can0: can@0 {
> > | reg = <0>;
> > | compatible = "microchip,mcp2515";
> > | pinctrl-names = "default";
> > | pinctrl-0 = <&can0_pin_irq>;
> > | interrupt-parent = <&pio>;
> > | interrupts = <6 8 IRQ_TYPE_EDGE_FALLING>;
> >
> > You better use IRQ_TYPE_LEVEL_LOW instead of IRQ_TYPE_EDGE_FALLING, but
> > that's unrelated to this problem.
> >
> > | clocks = <&can0_osc_fixed>;
> > | spi-max-frequency = <10000000>;
> > | gpio-controller;
> > | gpio-cells = <2>;
> > | status = "okay";
> > | };
Marc
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