linux-kernel - Re: [PATCH v2] arm64: dts: qcom: x1e80100: Fix PCIe 6a reg offsets and add MHI

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Message-ID: <20240605055109.GC2417@thinkpad>
Date: Wed, 5 Jun 2024 11:21:09 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Abel Vesa <abel.vesa@...aro.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Rajendra Nayak <quic_rjendra@...cinc.com>,
	Sibi Sankar <quic_sibis@...cinc.com>,
	Johan Hovold <johan@...nel.org>, linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: qcom: x1e80100: Fix PCIe 6a reg offsets
 and add MHI

On Tue, Jun 04, 2024 at 06:20:24PM +0300, Abel Vesa wrote:
> The actual size of the DBI region is 0xf20 and the start of the
> ELBI region is 0xf40, according to the documentation. So fix them.
> While at it, add the MHI region as well.
> 
> Fixes: 5eb83fc10289 ("arm64: dts: qcom: x1e80100: Add PCIe nodes")
> Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>

Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

- Mani

> ---
> Changes in v2:
> - Dropped the 4-lane mode switch patch entire.
> - Fetched Konrad's R-b tag
> - Link to v1: https://lore.kernel.org/r/20240531-x1e80100-dts-fixes-pcie6a-v1-0-1573ebcae1e8@linaro.org
> ---
>  arch/arm64/boot/dts/qcom/x1e80100.dtsi | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> index cf8d8d5b1870..fe7ca2a73f9d 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> @@ -2818,15 +2818,17 @@ pcie6a: pci@...8000 {
>  			device_type = "pci";
>  			compatible = "qcom,pcie-x1e80100";
>  			reg = <0 0x01bf8000 0 0x3000>,
> -			      <0 0x70000000 0 0xf1d>,
> -			      <0 0x70000f20 0 0xa8>,
> +			      <0 0x70000000 0 0xf20>,
> +			      <0 0x70000f40 0 0xa8>,
>  			      <0 0x70001000 0 0x1000>,
> -			      <0 0x70100000 0 0x100000>;
> +			      <0 0x70100000 0 0x100000>,
> +			      <0 0x01bfb000 0 0x1000>;
>  			reg-names = "parf",
>  				    "dbi",
>  				    "elbi",
>  				    "atu",
> -				    "config";
> +				    "config",
> +				    "mhi";
>  			#address-cells = <3>;
>  			#size-cells = <2>;
>  			ranges = <0x01000000 0 0x00000000 0 0x70200000 0 0x100000>,
> 
> ---
> base-commit: d97496ca23a2d4ee80b7302849404859d9058bcd
> change-id: 20240531-x1e80100-dts-fixes-pcie6a-0cf5b75a818e
> 
> Best regards,
> -- 
> Abel Vesa <abel.vesa@...aro.org>
> 
> 

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