[PATCH 0/4] PCI: dwc: designware-plat: Use common mode field in struct dw_pcie

[Hans Zhang]

Several DesignWare PCIe controller drivers (dra7xx, artpec6,
designware-plat, and keembay) duplicated the device mode field
in their private structures, while struct dw_pcie already contains
this field. This led to:
1. Data redundancy and potential inconsistencies
2. Increased maintenance complexity
3. Error-prone device type checks

This series fixes these issues by:
- Removing redundant mode fields from all four drivers
- Standardizing on dw_pcie->mode for device type detection
- Simplifying conditional logic in probe/suspend/resume paths
- Ensuring consistent error reporting

The changes improve code maintainability and eliminate class of bugs
related to mode synchronization.

Hans Zhang (4):
  PCI: dra7xx: Use common mode field in struct dw_pcie
  PCI: artpec6: Use common mode field in struct dw_pcie
  PCI: dwc: Use common mode field in struct dw_pcie
  PCI: keembay: Use common mode field in struct dw_pcie

 drivers/pci/controller/dwc/pci-dra7xx.c           | 11 +++++------
 drivers/pci/controller/dwc/pcie-artpec6.c         |  9 ++++-----
 drivers/pci/controller/dwc/pcie-designware-plat.c |  7 +++----
 drivers/pci/controller/dwc/pcie-keembay.c         |  9 ++++-----
 4 files changed, 16 insertions(+), 20 deletions(-)


base-commit: e75a43c7cec459a07d91ed17de4de13ede2b7758
-- 
2.34.1