Qualcomm PCIe devices are not really compatible with the snps,dw-pcie. Unlike the generic IP core, they have special requirements regarding enabling clocks, toggling resets, using the PHY, etc. This is not to mention that platform snps-dw-pcie driver expects to find two IRQs declared, while Qualcomm platforms use just one. Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- arch/arm/boot/dts/qcom-apq8064.dtsi | 2 +- arch/arm/boot/dts/qcom-ipq4019.dtsi | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi index a1c8ae516d21..ec2f98671a8c 100644 --- a/arch/arm/boot/dts/qcom-apq8064.dtsi +++ b/arch/arm/boot/dts/qcom-apq8064.dtsi @@ -1370,7 +1370,7 @@ gfx3d1: iommu@7d00000 { }; pcie: pci@1b500000 { - compatible = "qcom,pcie-apq8064", "snps,dw-pcie"; + compatible = "qcom,pcie-apq8064"; reg = <0x1b500000 0x1000>, <0x1b502000 0x80>, <0x1b600000 0x100>, diff --git a/arch/arm/boot/dts/qcom-ipq4019.dtsi b/arch/arm/boot/dts/qcom-ipq4019.dtsi index a9d0566a3190..1e814dbe135e 100644 --- a/arch/arm/boot/dts/qcom-ipq4019.dtsi +++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi @@ -412,7 +412,7 @@ restart@4ab000 { }; pcie0: pci@40000000 { - compatible = "qcom,pcie-ipq4019", "snps,dw-pcie"; + compatible = "qcom,pcie-ipq4019"; reg = <0x40000000 0xf1d 0x40000f20 0xa8 0x80000 0x2000 -- 2.35.1