linux-kernel - [PATCH v1 2/2] arm64: dts: qcom: sa8775p: Set max link speed to gen4 for ep pcie

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Date: Tue, 30 Apr 2024 22:01:51 +0530
From: Mrinmay Sarkar <quic_msarkar@...cinc.com>
To: andersson@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, konrad.dybcio@...aro.org,
        manivannan.sadhasivam@...aro.org
Cc: quic_shazhuss@...cinc.com, quic_nitegupt@...cinc.com,
        quic_ramkri@...cinc.com, quic_nayiluri@...cinc.com,
        quic_krichai@...cinc.com, quic_vbadigan@...cinc.com,
        quic_schintav@...cinc.com, Mrinmay Sarkar <quic_msarkar@...cinc.com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/2] arm64: dts: qcom: sa8775p: Set max link speed to gen4 for ep pcie

Adding this change to set max link speed to gen4 as sa8775p supports
gen4 so that pcie link can be enumerated as gen4.

Signed-off-by: Mrinmay Sarkar <quic_msarkar@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sa8775p.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 0c52180..aad2cd7 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -3730,7 +3730,7 @@
 		power-domains = <&gcc PCIE_0_GDSC>;
 		phys = <&pcie0_phy>;
 		phy-names = "pciephy";
-		max-link-speed = <3>; /* FIXME: Limiting the Gen speed due to stability issues */
+		max-link-speed = <4>;
 		num-lanes = <2>;
 
 		status = "disabled";
@@ -3888,7 +3888,7 @@
 		power-domains = <&gcc PCIE_1_GDSC>;
 		phys = <&pcie1_phy>;
 		phy-names = "pciephy";
-		max-link-speed = <3>; /* FIXME: Limiting the Gen speed due to stability issues */
+		max-link-speed = <4>;
 		num-lanes = <4>;
 
 		status = "disabled";
-- 
2.7.4