[PATCH ath-next v4 8/9] wifi: ath12k: handle ath12k_core_reset() with hardware grouping

Vasanthakumar Thiagarajan quic_vthiagar at quicinc.com
Tue Apr 8 02:58:38 PDT 2025



On 4/8/2025 11:36 AM, Aditya Kumar Singh wrote:
> Currently, in ath12k_core_reset(), the device is powered up immediately
> after a power down. However, with hardware grouping, when one device
> asserts, all partner devices also asserts. If there is a delay in
> processing these asserts, by the time this device powers up, other devices
> might still be asserting, leading to an overall recovery failure.
> 
> To prevent this issue, ensure all asserts for a group are processed before
> initiating the power-up sequence.
> 
> 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>



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