2024-03-05 08:17:10

by Johan Hovold

[permalink] [raw]
Subject: [PATCH v3 06/10] arm64: dts: qcom: sc8280xp-crd: disable ASPM L0s for NVMe

Enabling ASPM L0s on the CRD results in a large amount of Correctable
Errors (Timeout) when accessing the NVMe controller so disable it for
now.

Fixes: 9f4f3dfad8cf ("PCI: qcom: Enable ASPM for platforms supporting 1.9.0 ops")
Cc: [email protected] # 6.7
Reviewed-by: Konrad Dybcio <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
---
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 41215567b3ae..7e94a68d5d9f 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -525,6 +525,8 @@ keyboard@68 {
};

&pcie2a {
+ aspm-no-l0s;
+
perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>;

--
2.43.0