On Wed, Sep 16, 2020 at 06:49:59PM +0530, Manivannan Sadhasivam wrote:
> The PCIe IP on SM8250 SoC is similar to the one used on SDM845. Hence
> the support is added reusing the 2.7.0 ops. Only difference is the need
> of ATU base, which will be fetched opionally if provided by DT/ACPI.
> 
> Signed-off-by: Manivannan Sadhasivam <[email protected]>
> ---
>  drivers/pci/controller/dwc/pcie-qcom.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-qcom.c 
> b/drivers/pci/controller/dwc/pcie-qcom.c
> index 3aac77a295ba..ca8ad354e09d 100644
> --- a/drivers/pci/controller/dwc/pcie-qcom.c
> +++ b/drivers/pci/controller/dwc/pcie-qcom.c
> @@ -1370,6 +1370,7 @@ static int qcom_pcie_probe(struct platform_device *pdev)
>       struct pcie_port *pp;
>       struct dw_pcie *pci;
>       struct qcom_pcie *pcie;
> +     void __iomem *atu_base;
>       int ret;
>  
>       pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL);
> @@ -1422,6 +1423,11 @@ static int qcom_pcie_probe(struct platform_device 
> *pdev)
>               goto err_pm_runtime_put;
>       }
>  
> +     /* Get the optional ATU region if provided */
> +     atu_base = devm_platform_ioremap_resource_byname(pdev, "atu");
> +     if (!IS_ERR(atu_base))
> +             pci->atu_base = atu_base;
> +

This is getting moved to the DWC common code[1].

Rob

[1] 
https://lore.kernel.org/r/[email protected]

>       pcie->phy = devm_phy_optional_get(dev, "pciephy");
>       if (IS_ERR(pcie->phy)) {
>               ret = PTR_ERR(pcie->phy);
> @@ -1476,6 +1482,7 @@ static const struct of_device_id qcom_pcie_match[] = {
>       { .compatible = "qcom,pcie-ipq4019", .data = &ops_2_4_0 },
>       { .compatible = "qcom,pcie-qcs404", .data = &ops_2_4_0 },
>       { .compatible = "qcom,pcie-sdm845", .data = &ops_2_7_0 },
> +     { .compatible = "qcom,pcie-sm8250", .data = &ops_2_7_0 },
>       { }
>  };
>  
> -- 
> 2.17.1
> 

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