Hi Manikanta, On Sun, Nov 26, 2017 at 01:29:26AM +0530, Manikanta Maddireddy wrote: > Hi Bjorn, Thierry, > > Could you please review this series of patches? It is new code correct (ie there are not any fixes in the series) ? I will mark it as code to review for the next kernel cycle on my side. Thanks, Lorenzo > On 30-Oct-17 7:27 PM, Manikanta Maddireddy wrote: > > These series of patches does the following things, > > - Deasserting pcie_xrst after programming root port to make sure that > > register programming is reflected during LTSSM > > - Apply REFCLK pad settings to make sure P2P amplitude requirement is met > > - Enable Gen2 link speed > > - Advertise AER capability > > - Program UPHY electrical settings for meeting eye diagram requirements > > - Bunch of SW fixups explained in their respective commit log > > > > Testing done on Tegra124, 210 and 186: > > - PCIe link up, config read, BAR read and basic functionality of Ethernet > > card > > - Link speed switch to Gen2 after link retrain > > - Link speed stays in Gen1 after retrain if end point is only Gen1 capable > > - Simulated AER errors and verified dmesg logs for them > > - Rest of the programming is verified by dumping the registers after PCIe > > link up > > > > Manikanta Maddireddy (12): > > PCI: tegra: Start LTSSM after programming root port > > PCI: tegra: Move REFCLK pad settings out of phy_power_on() > > PCI: tegra: Retrain link for Gen2 speed > > PCI: tegra: Advertise AER capability > > PCI: tegra: Program UPHY electrical settings in Tegra210 > > PCI: tegra: Enable opportunistic update FC and ACK > > PCI: tegra: Disable AFI dynamic clock gating > > PCI: tegra: Wait for DLLP to finish before entering L1 or L2 > > PCI: tegra: Enable PCIe xclk clock clamping > > PCI: tegra: Add SW fixup for RAW violations > > PCI: tegra: Increase the deskew retry time > > PCI: tegra: Update flow control threshold in Tegra210 > > > > drivers/pci/host/pci-tegra.c | 306 ++++++++++++++++++++++++++++++++++++++++--- > > 1 file changed, 288 insertions(+), 18 deletions(-) > >
