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Message-ID: <3e3c58e0-6501-42c2-874b-1d9a00abb6c7@linaro.org>
Date: Wed, 27 Dec 2023 01:26:34 +0100
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Subject: Re: [PATCH] arm64: dts: qcom: sm8550: Increase supported MSI
 interrupts.
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To: Qiang Yu <quic_qianyu@quicinc.com>, andersson@kernel.org,
 robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org, quic_cang@quicinc.com, quic_mrana@quicinc.com
References: <1703578131-14747-1-git-send-email-quic_qianyu@quicinc.com>
From: Konrad Dybcio <konrad.dybcio@linaro.org>
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In-Reply-To: <1703578131-14747-1-git-send-email-quic_qianyu@quicinc.com>
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On 26.12.2023 09:08, Qiang Yu wrote:
> On sm8550, synopsys MSI controller supports 256 MSI interrupts. Hence,
> enable all GIC interrupts required by MSI controller for PCIe0 and PCIe1.
> 
> Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
> ---
Thanks for digging this up, could you check the same for other platforms
too? Particularly for the compute ones which heavily depend on PCIe..

>  arch/arm64/boot/dts/qcom/sm8550.dtsi | 24 ++++++++++++++++++++----
>  1 file changed, 20 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> index ee1ba5a..80e31fb 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -1713,8 +1713,16 @@
>  			linux,pci-domain = <0>;
>  			num-lanes = <2>;
>  
> -			interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>;
> -			interrupt-names = "msi";
> +			interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "msi0", "msi1", "msi2", "msi3",
> +					  "msi4", "msi5", "msi6", "msi7";
Please make it one per line, like the interrupts entries.

Konrad