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charset="utf-8" SA8775p supports 'link_down' reset on hardware, so add it for both pcie0 and pcie1, which can provide a better user experience. Reviewed-by: Konrad Dybcio Reviewed-by: Johan Hovold Signed-off-by: Ziyue Zhang --- arch/arm64/boot/dts/qcom/sa8775p.dtsi | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qc= om/sa8775p.dtsi index 39a4f59d8925..76bced68a2d2 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi @@ -7635,8 +7635,11 @@ pcie0: pcie@1c00000 { iommu-map =3D <0x0 &pcie_smmu 0x0000 0x1>, <0x100 &pcie_smmu 0x0001 0x1>; =20 - resets =3D <&gcc GCC_PCIE_0_BCR>; - reset-names =3D "pci"; + resets =3D <&gcc GCC_PCIE_0_BCR>, + <&gcc GCC_PCIE_0_LINK_DOWN_BCR>; + reset-names =3D "pci", + "link_down"; + power-domains =3D <&gcc PCIE_0_GDSC>; =20 phys =3D <&pcie0_phy>; @@ -7803,8 +7806,11 @@ pcie1: pcie@1c10000 { iommu-map =3D <0x0 &pcie_smmu 0x0080 0x1>, <0x100 &pcie_smmu 0x0081 0x1>; =20 - resets =3D <&gcc GCC_PCIE_1_BCR>; - reset-names =3D "pci"; + resets =3D <&gcc GCC_PCIE_1_BCR>, + <&gcc GCC_PCIE_1_LINK_DOWN_BCR>; + reset-names =3D "pci", + "link_down"; + power-domains =3D <&gcc PCIE_1_GDSC>; =20 phys =3D <&pcie1_phy>; --=20 2.34.1