On Fri, Apr 26, 2019 at 03:22:19PM +0200, Thierry Reding wrote: > On Tue, Apr 23, 2019 at 02:57:57PM +0530, Manikanta Maddireddy wrote: > > This series of patches adds, > > - Tegra root port features like Gen2, AER, etc > > - Power and perf optimizations > > - Fixes like "power up sequence", "dev_err prints", etc > > > > This series of patches are tested on Tegra186 based Jetson-TX2, Tegra210 > > based Jetson-TX1 and T124 based Jetson-TK1 platforms. > > > > TODO: I don't have T20 and T30 platforms to verify this series. > > Thierry has kindly agreed to verify this series on T20 and T30. > > I tested this on TrimSlice and Beaver. next-20190426 boots via NFS on > both of those boards. Applying this series on top of next-20190426 works > on Beaver but does not work on TrimSlice. I'll see if I can bisect which > exact commit breaks this, but it seems like PCI accesses do work, since > I see the RTL8169 device being detected. But when the kernel tries to > send out DHCP requests, the packet transmission is never completed using > an interrupt, so maybe something interrupt related is broken. I have marked this series as "deferred" in patchwork, more testing needed from what you are reporting. Thanks, Lorenzo > Thierry > > > V2 takes care of comments from Bjorn and Thierry. > > > > Manikanta Maddireddy (28): > > soc/tegra: pmc: Export tegra_powergate_power_on() > > PCI: tegra: Handle failure cases in tegra_pcie_power_on() > > PCI: tegra: Rearrange Tegra PCIe driver functions > > PCI: tegra: Disable PCIe interrupts in runtime suspend > > PCI: tegra: Fix PCIe host power up sequence > > PCI: tegra: Add PCIe Gen2 link speed support > > PCI: tegra: Advertise PCIe Advanced Error Reporting (AER) capability > > PCI: tegra: Program UPHY electrical settings for Tegra210 > > PCI: tegra: Enable opportunistic UpdateFC and ACK > > PCI: tegra: Disable AFI dynamic clock gating > > PCI: tegra: Process pending DLL transactions before entering L1 or L2 > > PCI: tegra: Enable PCIe xclk clock clamping > > PCI: tegra: Increase the deskew retry time > > PCI: tegra: Add SW fixup for RAW violations > > PCI: tegra: Update flow control timer frequency in Tegra210 > > PCI: tegra: Set target speed as Gen1 before starting LTSSM > > PCI: tegra: Fix PLLE power down issue due to CLKREQ# signal > > PCI: tegra: Program AFI_CACHE* registers only for Tegra20 > > PCI: tegra: Change PRSNT_SENSE irq log to debug > > PCI: tegra: Use legacy irq for port service drivers > > PCI: tegra: Add AFI_PEX2_CTRL reg offset as part of soc struct > > PCI: tegra: Access endpoint config only if PCIe link is up > > dt-bindings: pci: tegra: Document PCIe DPD pinctrl optional prop > > arm64: tegra: Add PEX DPD states as pinctrl properties > > PCI: tegra: Put PEX CLK & BIAS pads in DPD mode > > dt-bindings: pci: tegra: Document reset-gpio optional prop > > PCI: tegra: Add support for GPIO based PCIe reset > > PCI: tegra: Change link retry log level to info > > > > .../bindings/pci/nvidia,tegra20-pcie.txt | 13 + > > arch/arm64/boot/dts/nvidia/tegra210.dtsi | 19 + > > drivers/pci/controller/pci-tegra.c | 605 +++++++++++++++--- > > drivers/soc/tegra/pmc.c | 1 + > > 4 files changed, 558 insertions(+), 80 deletions(-) > > > > -- > > 2.17.1 > >