linux-kernel - Re: [PATCH 6/7] arm: dts: broadcom: Add interrupt-controller flag for intc on BCM2711

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Message-ID: <b80097a1-4c8b-43f1-920f-b31489619111@gmx.net>
Date: Mon, 2 Dec 2024 16:40:04 +0100
From: Stefan Wahren <wahrenst@....net>
To: Dave Stevenson <dave.stevenson@...pberrypi.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Florian Fainelli <florian.fainelli@...adcom.com>,
 Broadcom internal kernel review list
 <bcm-kernel-feedback-list@...adcom.com>, Maíra Canal
 <mcanal@...lia.com>,
 Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>,
 Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>,
 Doug Berger <opendmb@...il.com>, Linus Walleij <linus.walleij@...aro.org>,
 Bartosz Golaszewski <brgl@...ev.pl>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-rpi-kernel@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, Florian Fainelli <f.fainelli@...il.com>,
 linux-gpio@...r.kernel.org
Subject: Re: [PATCH 6/7] arm: dts: broadcom: Add interrupt-controller flag for
 intc on BCM2711

Hi Dave,

Am 02.12.24 um 15:31 schrieb Dave Stevenson:
> BCM2711 DT was producing dtbinding validation errors of
>
> interrupt-controller@...00000: 'interrupt-controller' is a required
> property
> interrupt-controller@...00000: '#interrupt-cells' is a required property
>
> Fix them by adding the required flags.
>
> Signed-off-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
Did you actually test these changes, because the last time [1] it broke
the boot of RPi 4 and likely for RPi 5, too?

Best regards

[1] -
https://lore.kernel.org/linux-arm-kernel/07154679-42bc-43ba-8b72-62083ed78a4d@gmx.net/
> ---
>   arch/arm/boot/dts/broadcom/bcm2711.dtsi | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/broadcom/bcm2711.dtsi b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
> index e4e42af21ef3..313b1046d74f 100644
> --- a/arch/arm/boot/dts/broadcom/bcm2711.dtsi
> +++ b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
> @@ -51,6 +51,8 @@ soc {
>   		local_intc: interrupt-controller@...00000 {
>   			compatible = "brcm,bcm2836-l1-intc";
>   			reg = <0x40000000 0x100>;
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
>   		};
>
>   		gicv2: interrupt-controller@...41000 {
>