[PATCH ath-next v3 00/17] wifi: ath12k: Add support for QCN6432

[Vasanthakumar Thiagarajan]

On 23-10-2026 12:31, Aaradhana Sahu wrote:
> QCN6432 is a PCIe-based device attached to the WCSS Q6 processor. It is
> registered as a platform device (AHB), and remoteproc APIs are used to
> boot and shut down the device, similar to other AHB-based devices such
> as IPQ5332.
> 
> However, PCI APIs are used for device setup and register access. Since
> QCN6432 requires both AHB and PCI APIs for its operation, a hybrid
> AHB/PCI approach is implemented.
> 
> Overview:
>    - Patch [1/17] adds DT binding documentation for QCN6432.
>    - Patch [2/17] refactors PCI operations and MSI config structure to
>      support different MSI configurations.
>    - Patches [3,4,5/17] add hardware parameters, ring mask, and registers
>      for QCN6432.
>    - Patch [6/17] moves multi MSI vector flag to ath12k_dev_flags.
>    - Patches [7,8/17] add hybrid_bus_type and HIF operations support for
>      QCN6432.
>    - Patch [9/17] adds support for unified data-region memory allocation.
>    - Patch [10/17] moves MSI config to pcic for better abstraction.
>    - Patches [11,12/17] enable MSI interrupt support for CE and DP rings
>      specific to QCN6432.
>    - Patch [13/17] uses CMEM write for PPT on hybrid bus devices.
>    - Patch [14/17] stores and uses per CE DP MSI data for QCN6432.
>    - Patch [15/17] derives QMI service instance ID per protection domain.
>    - Patch [16/17] add userpd ID mapping per device.
>    - Patch [17/17] adds support for QCN6432 in the driver.
> 
> Changes in v3:
> - patch 1/17: Update the commit subject and change the file name.
> - patch 3/17: Initialize qmi_max_chunk_size for QCN6432.
> - Link to v2: https://patch.msgid.link/20261016-mpp-bringup-v2-0-f510c33bfcf5@oss.qualcomm.com
> 
> Changes in v2:
> - patch 1/17: Update the compatible string from qcom,qcn6432-wifi to qcom,qcn6432 and remove the | character.
> - patch 11/17 and patch 12/17: Fix resource leaks on probe error paths.
> - patch 16/17: Move the NULL check before the loop.
> - Link to v1: https://lore.kernel.org/linux-wireless/20261008-mpp_bringup-v1-0-2c5797b5e4ac@oss.qualcomm.com/
> 
> ---
> Aaradhana Sahu (10):
>        dt-bindings: net: wireless: Add QCN6432
>        wifi: ath12k: Refactor PCI operations and MSI config structure
>        wifi: ath12k: move multi MSI vector flag to ath12k_dev_flags
>        wifi: ath12k: Add hybrid_bus_type in ath12k_hw_params
>        wifi: ath12k: add support for unified data-region memory allocation
>        wifi: ath12k: move MSI config to pci.c
>        wifi: ath12k: Add platform MSI support for CE
>        wifi: ath12k: use CMEM write for PPT on hybrid bus devices
>        wifi: ath12k: Resolve userPD ID per device
>        wifi: ath12k: Add QCN6432 AHB support
> 
> Sowmiya Sree Elavalagan (7):
>        wifi: ath12k: Add hardware parameter for QCN6432
>        wifi: ath12k: Add hardware ring mask for QCN6432
>        wifi: ath12k: add hardware registers for QCN6432
>        wifi: ath12k: Add hif operation support for QCN6432
>        wifi: ath12k: Enable MSI interrupt support for DP interrupt
>        wifi: ath12k: store and use MSI data per CE and DP interrupt group for QCN6432
>        wifi: ath12k: Derive QMI service instance ID per protection domain
>   
>   .../bindings/net/wireless/qcom,qcn6432.yaml        | 149 +++++++
>   drivers/net/wireless/ath/ath12k/Makefile           |   2 +-
>   drivers/net/wireless/ath/ath12k/ahb.c              |  54 ++-
>   drivers/net/wireless/ath/ath12k/ahb.h              |  10 +-
>   drivers/net/wireless/ath/ath12k/ce.c               |   7 +-
>   drivers/net/wireless/ath/ath12k/ce.h               |   6 +
>   drivers/net/wireless/ath/ath12k/core.c             |  10 +-
>   drivers/net/wireless/ath/ath12k/core.h             |  24 ++
>   drivers/net/wireless/ath/ath12k/dp.c               |  39 +-
>   drivers/net/wireless/ath/ath12k/dp.h               |   2 +-
>   drivers/net/wireless/ath/ath12k/hif.h              |  30 ++
>   drivers/net/wireless/ath/ath12k/hw.h               |   8 +-
>   drivers/net/wireless/ath/ath12k/mhi.c              |   4 +-
>   drivers/net/wireless/ath/ath12k/pci.c              | 111 +++---
>   drivers/net/wireless/ath/ath12k/pci.h              |  21 +-
>   drivers/net/wireless/ath/ath12k/pcic.c             | 435 +++++++++++++++++++++
>   drivers/net/wireless/ath/ath12k/pcic.h             |  24 ++
>   drivers/net/wireless/ath/ath12k/qmi.c              |  83 +++-
>   drivers/net/wireless/ath/ath12k/qmi.h              |   1 +
>   drivers/net/wireless/ath/ath12k/wifi7/ahb.c        |  45 ++-
>   drivers/net/wireless/ath/ath12k/wifi7/hal.c        |   7 +
>   .../net/wireless/ath/ath12k/wifi7/hal_qcn9274.c    |  85 ++++
>   .../net/wireless/ath/ath12k/wifi7/hal_qcn9274.h    |   1 +
>   drivers/net/wireless/ath/ath12k/wifi7/hw.c         | 143 +++++++
>   drivers/net/wireless/ath/ath12k/wifi7/pci.c        |  22 +-
>   25 files changed, 1214 insertions(+), 109 deletions(-)

Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan at oss.qualcomm.com>