with ct optimized driver and QCA9888-ct firmware:
[   17.500924] ath10k 5.4 driver, optimized for CT firmware, probing pci device: 0x56.
[   17.508999] ath10k_mac_create, priv_size: 804  hw: e09f9138  hw->priv: 08f1e956
[   17.536594] ath10k_pci 0000:00:00.0: enabling device (0000 -> 0002)
[   17.543396] ath10k_pci 0000:00:00.0: pci irq legacy oper_irq_mode 1 irq_mode 0 reset_mode 0
[   19.382191] ath10k_pci 0000:00:00.0: qca9888 hw2.0 target 0x01000000 chip_id 0x00000000 sub 0000:0000
[   19.391763] ath10k_pci 0000:00:00.0: kconfig debug 0 debugfs 0 tracing 0 dfs 1 testmode 0
[   19.411326] ath10k_pci 0000:00:00.0: firmware ver 10.4b-ct-9888-fW-13-8c5b2baa2 api 5 features mfp,peer-flow-ctrl,txstatus-noack,wmi-10.x-CT,ratemask-CT,regdump-CT,txrate-CT,flush-all-CT,pingpong-CT,ch-regs-CT,nop-CT,set-special-CT,tx-rc-CT,cust-stats-CT,txrate2-CT,beacon-cb-CT,wmi-block-ack-CT,wmi-bcn-rc-CT crc32 cbf49903
[   19.797496] ath10k_pci 0000:00:00.0: failed to fetch board data for bus=pci,vendor=168c,device=0056,subsystem-vendor=0000,subsystem-device=0000 from ath10k/QCA9888/hw2.0/board-2.bin
[   19.922673] ath10k_pci 0000:00:00.0: failed to fetch board-2.bin or board.bin from ath10k/QCA9888/hw2.0
[   19.932431] ath10k_pci 0000:00:00.0: failed to fetch board file: -12
[   19.953472] ath10k_pci 0000:00:00.0: could not probe fw (-12)


with stock driver and QCA9888 firmware:
[   17.620372] ath10k_pci 0000:00:00.0: enabling device (0000 -> 0002)
[   17.627185] ath10k_pci 0000:00:00.0: pci irq legacy oper_irq_mode 1 irq_mode 0 reset_mode 0
[   18.849858] ath10k_pci 0000:00:00.0: qca9888 hw2.0 target 0x01000000 chip_id 0x00000000 sub 0000:0000
[   18.859435] ath10k_pci 0000:00:00.0: kconfig debug 0 debugfs 0 tracing 0 dfs 1 testmode 0
[   18.880015] ath10k_pci 0000:00:00.0: firmware ver 10.4-3.9.0.2-00070 api 5 features no-p2p,mfp,peer-flow-ctrl,allows-mesh-bcast,no-ps crc32 a44e2231
[   19.264270] ath10k_pci 0000:00:00.0: failed to fetch board data for bus=pci,vendor=168c,device=0056,subsystem-vendor=0000,subsystem-device=0000 from ath10k/QCA9888/hw2.0/board-2.bin
[   19.388834] ath10k_pci 0000:00:00.0: failed to fetch board-2.bin or board.bin from ath10k/QCA9888/hw2.0
[   19.398593] ath10k_pci 0000:00:00.0: failed to fetch board file: -12
[   19.419202] ath10k_pci 0000:00:00.0: could not probe fw (-12)

with ct optimized driver and QCA9888-ct-full firmware:
[   17.516249] ath10k 5.4 driver, optimized for CT firmware, probing pci device: 0x56.
[   17.524312] ath10k_mac_create, priv_size: 804  hw: 35fe0d82  hw->priv: 67d45ec4
[   17.548750] ath10k_pci 0000:00:00.0: enabling device (0000 -> 0002)
[   17.555576] ath10k_pci 0000:00:00.0: pci irq legacy oper_irq_mode 1 irq_mode 0 reset_mode 0
[   18.769740] ath10k_pci 0000:00:00.0: qca9888 hw2.0 target 0x01000000 chip_id 0x00000000 sub 0000:0000
[   18.779317] ath10k_pci 0000:00:00.0: kconfig debug 0 debugfs 0 tracing 0 dfs 1 testmode 0
[   18.798874] ath10k_pci 0000:00:00.0: firmware ver 10.4b-ct-9888-fH-13-8c5b2baa2 api 5 features mfp,peer-flow-ctrl,txstatus-noack,wmi-10.x-CT,ratemask-CT,regdump-CT,txrate-CT,flush-all-CT,pingpong-CT,ch-regs-CT,nop-CT,htt-mgt-CT,set-special-CT,tx-rc-CT,cust-stats-CT,txrate2-CT,beacon-cb-CT,wmi-block-ack-CT,wmi-bcn-rc-CT crc32 4600ee9a
[   19.193437] ath10k_pci 0000:00:00.0: failed to fetch board data for bus=pci,vendor=168c,device=0056,subsystem-vendor=0000,subsystem-device=0000 from ath10k/QCA9888/hw2.0/board-2.bin
[   19.312847] ath10k_pci 0000:00:00.0: failed to fetch board-2.bin or board.bin from ath10k/QCA9888/hw2.0
[   19.322602] ath10k_pci 0000:00:00.0: failed to fetch board file: -12
[   19.343239] ath10k_pci 0000:00:00.0: could not probe fw (-12)

with ct optimized driver and QCA988x-ct firmware:
[   18.136263] ath10k 5.4 driver, optimized for CT firmware, probing pci device: 0x56.
[   18.144324] ath10k_mac_create, priv_size: 804  hw: (ptrval)  hw->priv: (ptrval)
[   18.168770] ath10k_pci 0000:00:00.0: enabling device (0000 -> 0002)
[   18.175587] ath10k_pci 0000:00:00.0: pci irq legacy oper_irq_mode 1 irq_mode 0 reset_mode 0
[   18.550150] urngd: v1.0.2 started.
[   18.650554] random: crng init done
[   21.827183] ath10k_pci 0000:00:00.0: Failed to find firmware-N.bin (N between 2 and 6) from ath10k/QCA9888/hw2.0: -12
[   21.838196] ath10k_pci 0000:00:00.0: could not fetch firmware files (-12)
[   21.845218] ath10k_pci 0000:00:00.0: could not probe fw (-12)