diff mbox series

PCI: qcom: Disable ASPM L0s on x1e801800

Message ID 20240726-x1e80100-pcie-disable-l0s-v1-1-8291e133a534@linaro.org (mailing list archive)
State New
Headers show
Series PCI: qcom: Disable ASPM L0s on x1e801800 | expand

Commit Message

Abel Vesa July 26, 2024, 6:54 a.m. UTC
Confirmed by Qualcomm that the L0s should be disabled on this platform
as well. So use the sc8280xp config instead.

Fixes: 6d0c39324c5f ("PCI: qcom: Add X1E80100 PCIe support")
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
---
 drivers/pci/controller/dwc/pcie-qcom.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


---
base-commit: 864b1099d16fc7e332c3ad7823058c65f890486c
change-id: 20240725-x1e80100-pcie-disable-l0s-548a2f316eec

Best regards,

Comments

Manivannan Sadhasivam July 26, 2024, noon UTC | #1
On Fri, Jul 26, 2024 at 09:54:13AM +0300, Abel Vesa wrote:
> Confirmed by Qualcomm that the L0s should be disabled on this platform
> as well. So use the sc8280xp config instead.
> 

What are the implications of not disabling L0s? Is it not supported on this
platform or the PHY sequence doesn't support L0s?

Please add these info in commit message.

- Mani

> Fixes: 6d0c39324c5f ("PCI: qcom: Add X1E80100 PCIe support")
> Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
> ---
>  drivers/pci/controller/dwc/pcie-qcom.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
> index 0180edf3310e..04fe624b49c1 100644
> --- a/drivers/pci/controller/dwc/pcie-qcom.c
> +++ b/drivers/pci/controller/dwc/pcie-qcom.c
> @@ -1739,7 +1739,7 @@ static const struct of_device_id qcom_pcie_match[] = {
>  	{ .compatible = "qcom,pcie-sm8450-pcie0", .data = &cfg_1_9_0 },
>  	{ .compatible = "qcom,pcie-sm8450-pcie1", .data = &cfg_1_9_0 },
>  	{ .compatible = "qcom,pcie-sm8550", .data = &cfg_1_9_0 },
> -	{ .compatible = "qcom,pcie-x1e80100", .data = &cfg_1_9_0 },
> +	{ .compatible = "qcom,pcie-x1e80100", .data = &cfg_sc8280xp },
>  	{ }
>  };
>  
> 
> ---
> base-commit: 864b1099d16fc7e332c3ad7823058c65f890486c
> change-id: 20240725-x1e80100-pcie-disable-l0s-548a2f316eec
> 
> Best regards,
> -- 
> Abel Vesa <abel.vesa@linaro.org>
>
diff mbox series

Patch

diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 0180edf3310e..04fe624b49c1 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -1739,7 +1739,7 @@  static const struct of_device_id qcom_pcie_match[] = {
 	{ .compatible = "qcom,pcie-sm8450-pcie0", .data = &cfg_1_9_0 },
 	{ .compatible = "qcom,pcie-sm8450-pcie1", .data = &cfg_1_9_0 },
 	{ .compatible = "qcom,pcie-sm8550", .data = &cfg_1_9_0 },
-	{ .compatible = "qcom,pcie-x1e80100", .data = &cfg_1_9_0 },
+	{ .compatible = "qcom,pcie-x1e80100", .data = &cfg_sc8280xp },
 	{ }
 };