[PATCH v3] wifi: ath12k: convert tasklet to BH workqueue for CE interrupts

[Jeff Johnson]

On 10/22/2024 12:24 AM, Raj Kumar Bhagat wrote:
> Currently in Ath12k, tasklet is used to handle the BH context of CE
> interrupts. However the tasklet is marked deprecated and has some
> design flaws. To replace tasklets, BH workqueue support has been
> added. BH workqueue behaves similarly to regular workqueues except
> that the queued work items are executed in the BH context.
> 
> Hence, convert the tasklet to BH workqueue for handling CE interrupts
> in the BH context.
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00214-QCAHKSWPL_SILICONZ-1
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1

Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3

(Not sure how to stress-test this, but it does survive multiple rmmod/insmod
with a Youtube video stream running)