On 1/8/2025 8:25 PM, Aditya Kumar Singh wrote: > With hardware grouping, during reboot, whenever a device is removed, it > powers down itself and all its partner devices in the same group. Now this > is done by all devices and hence there is multiple power down for devices > and hence the following error messages can be seen: > > ath12k_pci 0002:01:00.0: failed to set mhi state POWER_OFF(3) in current mhi state (0x0) > ath12k_pci 0002:01:00.0: failed to set mhi state: POWER_OFF(3) > ath12k_pci 0002:01:00.0: failed to set mhi state DEINIT(1) in current mhi state (0x0) > ath12k_pci 0002:01:00.0: failed to set mhi state: DEINIT(1) > ath12k_pci 0003:01:00.0: failed to set mhi state POWER_OFF(3) in current mhi state (0x0) > ath12k_pci 0003:01:00.0: failed to set mhi state: POWER_OFF(3) > ath12k_pci 0003:01:00.0: failed to set mhi state DEINIT(1) in current mhi state (0x0) > ath12k_pci 0003:01:00.0: failed to set mhi state: DEINIT(1) > ath12k_pci 0004:01:00.0: failed to set mhi state POWER_OFF(3) in current mhi state (0x0) > ath12k_pci 0004:01:00.0: failed to set mhi state: POWER_OFF(3) > > To prevent this, check if the ATH12K_PCI_FLAG_INIT_DONE flag is already > set before powering down. If it is set, it indicates that another partner > device has already performed the power down, and this device can skip this > step. > > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Aditya Kumar Singh <quic_adisi@xxxxxxxxxxx> Acked-by: Jeff Johnson <jeff.johnson@xxxxxxxxxxxxxxxx>
