1. Introduce generic capability search functions.
2. dwc/cdns use common PCI host bridge APIs for finding the capabilities.
3. Use cdns_pcie_find_*capability to avoid hardcode.

Changes since v4:
- Resolved [v4 1/4] compilation warning.
- The patch subject and commit message were modified.

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: Use common PCI host bridge APIs for finding the capabilities
  PCI: cadence: Use common PCI host bridge APIs for finding the
    capabilities
  PCI: cadence: Use cdns_pcie_find_*capability to avoid hardcode.

 .../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                             | 86 +++++++++++++++++++
 include/linux/pci.h                           | 16 +++-
 6 files changed, 157 insertions(+), 89 deletions(-)


base-commit: a1cffe8cc8aef85f1b07c4464f0998b9785b795a
-- 
2.25.1