Re: [PATCH v2] PCI: Add quirk to disable ASPM L1 for Sandisk SN740 NVMe SSDs

[Konrad Dybcio]

On 11/20/25 5:12 PM, Manivannan Sadhasivam wrote:
> The Sandisk SN740 NVMe SSDs cause below AER errors on the upstream Root
> Port of PCIe controller in Microsoft Surface Laptop 7, when ASPM L1 is
> enabled:
> 
>   pcieport 0006:00:00.0: AER: Correctable error message received from 0006:01:00.0
>   nvme 0006:01:00.0: PCIe Bus Error: severity=Correctable, type=Physical Layer, (Receiver ID)
>   nvme 0006:01:00.0:   device [15b7:5015] error status/mask=00000001/0000e000
>   nvme 0006:01:00.0:    [ 0] RxErr
> 
> Hence, add a quirk to disable L1 by removing the ASPM_L1 CAP for this SSD.
> 
> Reported-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
> Signed-off-by: Manivannan Sadhasivam <mani@xxxxxxxxxx>
> ---

This revision also works for me, thank you

Tested-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx> # X1E80100 Romulus

Konrad