* [PATCH AUTOSEL 6.6 05/12] arm64: dts: qcom: sc8280xp-crd: limit pcie4 link speed
[not found] <20240311183727.328187-1-sashal@kernel.org>
@ 2024-03-11 18:37 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2024-03-11 18:37 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Johan Hovold, Konrad Dybcio, Manivannan Sadhasivam,
Bjorn Andersson, Sasha Levin, andy.gross, david.brown, robh+dt,
mark.rutland, linux-arm-msm, linux-soc, devicetree
From: Johan Hovold <johan+linaro@kernel.org>
[ Upstream commit db8138845cebcdd0c709570b8217bd052757b8df ]
Limit the WiFi PCIe link speed to Gen2 speed (500 MB/s), which is the
speed that Windows uses.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240223152124.20042-7-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index ffc4406422ae2..41215567b3aed 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -563,6 +563,8 @@
};
&pcie4 {
+ max-link-speed = <2>;
+
perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
wake-gpios = <&tlmm 139 GPIO_ACTIVE_LOW>;
--
2.43.0
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