Merge branch 'pci/controller/dwc'

Merge branch 'pci/controller/dwc'

- Apply ECRC TLP Digest workaround for all DesignWare cores prior to 5.10a,
  not just 4.90a and 5.00a (Manikanta Maddireddy)

- Use common struct dw_pcie 'mode' rather than duplicating it in artpec6,
  dra7xx, dwc-pcie, and keembay driver structs (Hans Zhang)

- Use DEFINE_SHOW_ATTRIBUTE for ltssm_status debugfs to reduce boilerplate
  and fix a seq_file memory leak by including a .release() callback (Hans
  Zhang)

- Fix a signedness bug in fault injection test code (Dan Carpenter)

- Avoid NULL pointer dereference when tearing down debugfs for controller
  that lacks RAS DES capability (Shuvam Pandey)

* pci/controller/dwc:
  PCI: dwc: Avoid dwc_pcie_rasdes_debugfs_deinit() NULL dereference when no RAS DES capability
  PCI: dwc: Fix signedness bug in fault injection test code
  PCI: dwc: Use DEFINE_SHOW_ATTRIBUTE for ltssm_status debugfs
  PCI: keembay: Use common mode field in struct dw_pcie
  PCI: dwc: Use common mode field in struct dw_pcie
  PCI: artpec6: Use common mode field in struct dw_pcie
  PCI: dra7xx: Use common mode field in struct dw_pcie
  PCI: dwc: Apply ECRC workaround for DesignWare cores prior to 5.10a