[PATCH v8 09/13] wifi: ath12k: Power up root PD

[Vasanthakumar Thiagarajan]

On 3/1/2025 12:12 AM, Raj Kumar Bhagat wrote:
> From: Sowmiya Sree Elavalagan <quic_ssreeela at quicinc.com>
> 
> Q6 processor acts as rootPD, other hardware like IPQ5332 which are
> attached to Q6 act as userPDs. WCSS driver handles loading and booting
> of rootPD, while the ath12k driver boots the userPD.
> Get the rproc handle from the DTS entry and boot the rootPD if it
> is not already powered on. Register to the rproc notifier to monitor
> the rproc state, this allows ath12k driver to know power up/down
> sequence of the rootPD. Power up the rootPD and wait for a power-up
> notification from the notifier callback before powering up the userPDs.
> 
> Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
> 
> Signed-off-by: Sowmiya Sree Elavalagan <quic_ssreeela at quicinc.com>
> Co-developed-by: Raj Kumar Bhagat <quic_rajkbhag at quicinc.com>
> Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag at quicinc.com>

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