Re: [PATCH 3/4] ARM: dts: imx28-tx28: fix interrupt flags and use interrupts-extended property

From: Uwe Kleine-König
Date: Mon Oct 16 2017 - 03:17:54 EST


Hello,

On Wed, Oct 11, 2017 at 01:05:38PM +0200, Lothar Waßmann wrote:
> diff --git a/arch/arm/boot/dts/imx28-tx28.dts b/arch/arm/boot/dts/imx28-tx28.dts
> index 211e67d..3c852f7 100644
> --- a/arch/arm/boot/dts/imx28-tx28.dts
> +++ b/arch/arm/boot/dts/imx28-tx28.dts
> @@ -328,8 +328,7 @@
> reg = <0x20>;
> pinctrl-names = "default";
> pinctrl-0 = <&tx28_pca9554_pins>;
> - interrupt-parent = <&gpio3>;
> - interrupts = <28 0>;
> + interrupts-extended = <&gpio3 28 IRQ_TYPE_NONE>;
> gpio-controller;
> #gpio-cells = <2>;
> interrupt-controller;

While interrupts-extended looks nice,
Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
has:

"interrupts-extended" should only be used when a device has
multiple interrupt parents.

If this is still true, this patch is wrong.

Best regards
Uwe

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