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References: <20230113064457.7105-1-jensenhuang@friendlyarm.com>
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From:   Jensen Huang <jensenhuang@friendlyarm.com>
Date:   Fri, 13 Jan 2023 15:13:19 +0800
Message-ID: <CAMpZ1qGtcFaaGK=72Qp9MOEDDvcxb_Gpqir7_+ZCL_ke4XrX8w@mail.gmail.com>
Subject: Re: [PATCH] arm64: dts: rockchip: add missing #interrupt-cells to
 rk356x pcie2x1
To:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Heiko Stuebner <heiko@sntech.de>
Cc:     devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
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Hi,

I got this error while testing on a rk3568 based board (NanoPi R5S):
  pcieport 0000:00:00.0: of_irq_parse_pci: failed with rc=-22
Also I checked of_irq_parse_raw(), it looks like this property is necessary.

BR,
Jensen

On Fri, Jan 13, 2023 at 2:45 PM Jensen Huang
<jensenhuang@friendlyarm.com> wrote:
>
> This fixes the following issue:
>   pcieport 0000:00:00.0: of_irq_parse_pci: failed with rc=-22
>
> Signed-off-by: Jensen Huang <jensenhuang@friendlyarm.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk356x.dtsi | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> index 5706c3e24f0a..b3185e4115d9 100644
> --- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> @@ -985,6 +985,7 @@ pcie2x1: pcie@fe260000 {
>                 resets = <&cru SRST_PCIE20_POWERUP>;
>                 reset-names = "pipe";
>                 #address-cells = <3>;
> +               #interrupt-cells = <1>;
>                 #size-cells = <2>;
>                 status = "disabled";
>
> --
> 2.38.1
>