Re: [PATCH v8 0/3] PCI: cadence: Add LTSSM debugfs
From: Manivannan Sadhasivam
Date: Wed Jul 15 2026 - 03:40:49 EST
On Wed, 01 Jul 2026 15:35:09 +0800, Hans Zhang wrote:
> This series adds debugfs support to the Cadence PCIe controller driver,
> allowing users to read the current LTSSM state of the link for debugging
> purposes.
>
> Patch 1 introduces a new flag 'is_hpa' in the cdns_pcie structure to
> distinguish HPA (High Performance Architecture) IP platforms from LGA
> (Legacy Architecture) IP platforms, as they have different register
> layouts for LTSSM status.
>
> [...]
Applied, thanks!
[1/3] PCI: cadence: Add HPA architecture flag
commit: b5672f9463f2ee184730daaa5c43b9b5e8fb9f86
[2/3] PCI: cadence: Add HPA IP debugfs for LTSSM status
commit: ea34744eb0949c7b1e53aea579f5a3e2d2b88d63
[3/3] PCI: cadence: Add LGA IP debugfs for LTSSM status
commit: d70e964dc099821f6c159d8f40aa7be2c62ecfd2
Best regards,
--
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