[RESEND RFC PATCH v4 3/5] PCI: rockchip: Set Target Link Speed before retraining

[Bjorn Helgaas]

On Fri, Jun 13, 2025 at 12:06:00PM -0300, Geraldo Nascimento wrote:
> Current code may fail Gen2 retraining if Target Link Speed
> is set to 2.5 GT/s in Link Control and Status Register 2.
> Set it to 5.0 GT/s accordingly.

Nit: I don't know what "Gen2" means (and the spec warns against
assuming spec rev maps one-to-one to a speed), so try to use the
actual speed instead of "GenX".

Bjorn