[PATCH ath-next v4 5/9] wifi: ath12k: fix firmware assert during reboot with hardware grouping

[Vasanthakumar Thiagarajan]

On 4/8/2025 11:36 AM, Aditya Kumar Singh wrote:
> At present, during PCI shutdown, the power down is only executed for a
> single device. However, when operating in a group, all devices need to be
> powered down simultaneously. Failure to do so will result in a firmware
> assertion.
> 
> Hence, introduce a new ath12k_pci_hw_group_power_down() and call it during
> power down. This will ensure that all partner devices are properly powered
> down.
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
> 
> Signed-off-by: Aditya Kumar Singh <aditya.kumar.singh at oss.qualcomm.com>

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