[PATCH v7 0/3] PCI: rockchip: 5.0 GT/s speed discouraged by Rockchip
Manivannan Sadhasivam
mani at kernel.org
Tue Oct 13 06:47:57 PDT 2026
On Tue, 16 Jun 2026 12:24:48 -0300, Geraldo Nascimento wrote:
> PCI: rockchip: 5.0 GT/s speed discouraged by Rockchip
>
> Dragan Simic already had warned me of potential issues with 5.0 GT/s
> speed operation in Rockchip PCIe. However, in recent interactions
> with Shawn Lin from Rockchip it came to my attention there's grave
> danger in the unknown errata regarding 5.0 GT/s operational speed
> of their PCIe core, including data loss.
>
> [...]
Applied, thanks!
[1/3] PCI: rockchip-ep: do not attempt 5.0 GT/s retraining
commit: 39f89dde0a76b229df7eb356aaf6f444b4f8a636
[2/3] PCI: rockchip-host: do not attempt 5.0 GT/s retraining
commit: 5988a53f5bf758b2d41cb6e0832c19b9692c76d2
[3/3] PCI: rockchip: drive at 2.5 GT/s, error other speeds
commit: 62843031ca1f11d1b8e90e7f558c1b3c4cd77184
Best regards,
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