[v4,0/4] Introduce generic capability search functions

Message

Hans Zhang March 21, 2025, 10:17 a.m. UTC

1. Introduce generic capability search functions.
2. Replace dw_pcie_find_capability() and dw_pcie_find_ext_capability().
3. Add configuration space capability search API.
4. Use cdns_pcie_find_*capability to find capability offset instead of
hardcore.

Changes since v3:
- Resolved [v3 1/4] compilation error.
- Other patches are not modified.

Changes since v2:
- Add and split into a series of patches.

Hans Zhang (4):
  PCI: Introduce generic capability search functions
  PCI: dwc: Replace dw_pcie_find_capability() and
    dw_pcie_find_ext_capability()
  PCI: cadence: Add configuration space capability search API
  PCI: cadence: Use cdns_pcie_find_*capability to find capability offset
    instead of hardcore

 .../pci/controller/cadence/pcie-cadence-ep.c  | 40 +++++----
 drivers/pci/controller/cadence/pcie-cadence.c | 25 ++++++
 drivers/pci/controller/cadence/pcie-cadence.h |  8 +-
 drivers/pci/controller/dwc/pcie-designware.c  | 71 ++--------------
 drivers/pci/pci.c                             | 83 +++++++++++++++++++
 include/linux/pci.h                           | 14 +++-
 6 files changed, 152 insertions(+), 89 deletions(-)


base-commit: a1cffe8cc8aef85f1b07c4464f0998b9785b795a