Re: [PATCH v5 0/3] PCI: qcom: Program T_POWER_ON value for L1.2 exit timing

[Manivannan Sadhasivam]

On Tue, 28 Apr 2026 14:07:14 +0530, Krishna Chaitanya Chundru wrote:
> The T_POWER_ON indicates the time (in μs) that a Port requires the port
> on the opposite side of Link to wait in L1.2.Exit after sampling CLKREQ#
> asserted before actively driving the interface. This value is used by
> the ASPM driver to compute the LTR_L1.2_THRESHOLD.
> 
> Currently, qcom root port exposes T_POWER_ON value of zero in the L1SS
> capability registers, leading to incorrect LTR_L1.2_THRESHOLD calculations,
> which can result in improper L1.2 exit behavior and can trigger AER's.
> 
> [...]

Applied, thanks!

[1/3] PCI/ASPM: Add helper to encode L1SS T_POWER_ON fields
      commit: ea803322d3a8ec4ba60699a21b4ddc8fdbc0a242
[2/3] PCI: dwc: Add helper to Program T_POWER_ON
      commit: a66a25538564850a977ee3cfc795aa05ac4f1700
[3/3] PCI: qcom: Program T_POWER_ON
      commit: fca5f83fa339b357311ed250ec8041bbae11f66d

Best regards,
-- 
Manivannan Sadhasivam <mani@xxxxxxxxxx>