[RFC PATCH v3 0/5] Quality Improvements for Rockchip-IP PCIe

[Geraldo Nascimento]

During a 30-day debugging-run fighting quirky PCIe devices on RK3399
some quality improvements began to take form and this is my attempt
at upstreaming it. It will ensure maximum chance of retraining to Gen2
5.0GT/s, on all four lanes and plus if anybody is debugging the PHY
they'll now get real values from TEST_I[3:0] for every TEST_ADDR[4:0]
without risk of locking up kernel like with present broken async
strobe TEST_WRITE.

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V2 -> V3: correctly clean-up with standard PCIe defines as per Bjorn's
suggestion
V1 -> V2: use standard PCIe defines as suggested by Bjorn

Geraldo Nascimento (5):
  PCI: rockchip-host: Use standard PCIe defines
  PCI: rockchip: Drop unused custom registers and bitfields
  PCI: rockchip-host: Set Target Link Speed before retraining
  phy: rockchip-pcie: Enable all four lanes
  phy: rockchip-pcie: Adjust read mask and write

 drivers/pci/controller/pcie-rockchip-host.c | 48 +++++++++++----------
 drivers/pci/controller/pcie-rockchip.h      | 11 +----
 drivers/phy/rockchip/phy-rockchip-pcie.c    | 16 ++++---
 3 files changed, 36 insertions(+), 39 deletions(-)

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2.49.0