[PATCH v5 6/6] PCI: qcom: Enable ASPM disabling during link retraining

[Krishna Chaitanya Chundru]

On 9/1/2026 1:38 PM, Manivannan Sadhasivam wrote:
> On Wed, Aug 19, 2026 at 06:55:57PM +0530, Krishna Chaitanya Chundru wrote:
>> Set the disable_aspm_for_retrain flag in qcom_pcie_host_init() to ensure
>> ASPM is disabled during link retraining operations. This prevents potential
>> issues with link state transitions during bandwidth scaling on Qualcomm
>> PCIe controllers.
>>
> Is it really a controller requirement or a device quirk?
yes, it is controller requirement, for the future targets there is a fix, we
will not set this for those targets.

- Krishna Chaitanya.
>
>> Signed-off-by: Krishna Chaitanya Chundru <krishnac at codeaurora.org>
> You need to use OSS email.
>
> - Mani
>