On 2025/4/9 11:41, Hans Zhang wrote:
> 1. Introduce generic bus config read helper function.
> 2. Clean up __pci_find_next_cap_ttl() readability.
> 3. Refactor capability search into common macros.
> 4. DWC/CDNS use common PCI host bridge macros for finding the
> capabilities.
> 5. Use cdns_pcie_find_*capability to avoid hardcode.
>
> Changes since v8:
> - Split patch.
> - The patch commit message were modified.
> - Other patches(4/6, 5/6, 6/6) are unchanged.
>
> Changes since v7:
> - Patch 2/5 and 3/5 compilation error resolved.
> - Other patches are unchanged.
>
> Changes since v6:
> - Refactor capability search into common macros.
> - Delete pci-host-helpers.c and MAINTAINERS.
>
> Changes since v5:
> - If you put the helpers in drivers/pci/pci.c, they unnecessarily enlarge
> the kernel's .text section even if it's known already at compile time
> that they're never going to be used (e.g. on x86).
> - Move the API for find capabilitys to a new file called
> pci-host-helpers.c.
> - Add new patch for MAINTAINERS.
>
> 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 (6):
> PCI: Introduce generic bus config read helper function
> PCI: Clean up __pci_find_next_cap_ttl() readability
> PCI: Refactor capability search into common macros
> 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.
>
> drivers/pci/access.c | 17 ++++
> .../pci/controller/cadence/pcie-cadence-ep.c | 40 +++++----
> drivers/pci/controller/cadence/pcie-cadence.c | 28 ++++++
> drivers/pci/controller/cadence/pcie-cadence.h | 18 ++--
> drivers/pci/controller/dwc/pcie-designware.c | 72 ++-------------
> drivers/pci/pci.c | 68 ++------------
> drivers/pci/pci.h | 88 +++++++++++++++++++
> include/uapi/linux/pci_regs.h | 2 +
> 8 files changed, 187 insertions(+), 146 deletions(-)
>
>
> base-commit: a24588245776dafc227243a01bfbeb8a59bafba9
Dear all,
Gentle ping.
Best regards,
Hans