On Wed, 15 Mar 2023 12:38:00 +0530, Siddharth Vadapalli wrote: > The Link Retraining process is initiated to account for the Gen2 defect in > the Cadence PCIe controller in J721E SoC. The errata corresponding to this > is i2085, documented at: > https://www.ti.com/lit/er/sprz455c/sprz455c.pdf > > The existing workaround implemented for the errata waits for the Data Link > initialization to complete and assumes that the link retraining process > at the Physical Layer has completed. However, it is possible that the > Physical Layer training might be ongoing as indicated by the > PCI_EXP_LNKSTA_LT bit in the PCI_EXP_LNKSTA register. > > [...] Applied to controller/cadence, thanks! [1/1] PCI: cadence: Fix Gen2 Link Retraining process https://git.kernel.org/pci/pci/c/eac223e85208 Thanks, Lorenzo