Re: [PATCH 1/2] arm64: dts: imx8mp: Fix missing GPC Interrupt

From: Adam Ford
Date: Sun Dec 18 2022 - 10:58:23 EST


On Sun, Dec 18, 2022 at 9:00 AM Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
>
> Hi Adam,
>
> Thank you for the patch.
>
> On Sat, Dec 17, 2022 at 12:08:48PM -0600, Adam Ford wrote:
> > The GPC node references an interrupt parent, but it doesn't
> > state the interrupt itself. According to the TRM, this IRQ
> > is 87. This also eliminate an error detected from dt_binding_check
>
> The interrupt isn't used by the driver as far as I can see, so I can't
> test this, but the patch matches the reference manual, so

I don't think it changes functionality, but the other imx8m boards
have it, and 'make dtbs_check' showed it as missing.
Thanks for the review.

>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
>
> > Fixes: fc0f05124621 ("arm64: dts: imx8mp: add GPC node with GPU power domains")
> > Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > index 7a6e6221f421..7a8ca56e48b6 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > @@ -524,6 +524,7 @@ gpc: gpc@303a0000 {
> > compatible = "fsl,imx8mp-gpc";
> > reg = <0x303a0000 0x1000>;
> > interrupt-parent = <&gic>;
> > + interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
> > interrupt-controller;
> > #interrupt-cells = <3>;
> >
>
> --
> Regards,
>
> Laurent Pinchart