Re: [PATCH v7 0/2] PCI: Configure Root Port MPS during host probing

Niklas Cassel
2026-01-09T08:38:54Z

On Fri, Nov 28, 2025 at 01:09:06AM +0800, Hans Zhang wrote:
> Current PCIe initialization exhibits a key optimization gap: Root Ports
> may operate with non-optimal Maximum Payload Size (MPS) settings. While
> downstream device configuration is handled during bus enumeration, Root
> Port MPS values inherited from firmware or hardware defaults often fail
> to utilize the full capabilities supported by controller hardware. This
> results in suboptimal data transfer efficiency throughout the PCIe
> hierarchy.

Hello PCI maintainers,

any chance for this series to be applied?

Kind regards,
Niklas