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[V3,00/21] Enhancements to pcie-tegra194 driver

Message ID 20221013183854.21087-1-vidyas@nvidia.com
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Series Enhancements to pcie-tegra194 driver | expand

Message

Vidya Sagar Oct. 13, 2022, 6:38 p.m. UTC 
This patch series contains enhancements to the pcie-tegra194.c driver
that works for both Tegra194 and Tegra234 SoCs and for both RootPort
and Endpoint modes.

This patch series depends on the following series in the same order

PCI: designware-ep: Fix DBI access before core init
https://patchwork.ozlabs.org/project/linux-pci/list/?series=322681

PCI: endpoint: Rework the EPC to EPF notification
https://patchwork.kernel.org/project/linux-pci/list/?series=683493

Add DeInit support in the PCIe Endpoint framework
https://patchwork.kernel.org/project/linux-pci/list/?series=685157

V3:
* Addressed review comments from Bjorn
* Added new patches to the series

V2:
* Addressed review comments from test bot and Vinod

Vidya Sagar (21):
  PCI: tegra194: Use devm_gpiod_get_optional() to parse
    "nvidia,refclk-select"
  PCI: tegra194: Drive CLKREQ signal low explicitly
  PCI: tegra194: Fix polling delay for L2 state
  PCI: tegra194: Handle errors in BPMP response
  PCI: tegra194: Apply pinctrl settings for both PCIe RP and EP
  PCI: tegra194: Refactor LTSSM state polling on surprise down
  PCI: tegra194: Disable direct speed change for EP
  phy: tegra: p2u: Set ENABLE_L2_EXIT_RATE_CHANGE in calibration
  PCI: tegra194: Calibrate P2U for endpoint mode
  PCI: tegra194: Free resources during controller deinitialization
  PCI: tegra194: Remove IRQF_ONESHOT flag during Endpoint interrupt
    registration
  PCI: tegra194: Enable DMA interrupt
  PCI: tegra194: Enable hardware hot reset mode in Endpoint
  PCI: tegra194: Allow system suspend when the Endpoint link is not up
  PCI: tegra194: Disable L1.2 capability of Tegra234 EP
  PCI: tegra194: Set LTR message request before PCIe link up
  PCI: tegra194: Reduce AXI slave timeout value
  PCI: tegra194: Don't force the device into the D0 state before L2
  PCI: tegra194: Free up EP resources during remove()
  dt-bindings: PCI: tegra194: Add monitor clock support
  PCI: tegra194: Add core monitor clock support

 .../bindings/pci/nvidia,tegra194-pcie-ep.yaml |   6 +-
 .../bindings/pci/nvidia,tegra194-pcie.yaml    |   6 +-
 drivers/pci/controller/dwc/pcie-tegra194.c    | 261 ++++++++++++------
 drivers/phy/tegra/phy-tegra194-p2u.c          |  14 +
 4 files changed, 194 insertions(+), 93 deletions(-)