Messages in this thread | | | Date | Mon, 16 Oct 2017 10:56:32 +0200 | From | Lothar Waßmann <> | Subject | Re: [PATCH 3/4] ARM: dts: imx28-tx28: fix interrupt flags and use interrupts-extended property |
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Hi,
On Mon, 16 Oct 2017 09:17:26 +0200 Uwe Kleine-König wrote: > 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. > Thanks for the hint. It really helps to read the documentation sometimes, rahter than relying on existing code only...
A quick check shows, that more than 100 of the 130 uses of interrupts-extended are wrong. :(
Lothar Waßmann
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