before update, everthing is ok, after update kernel, qca9984 fails to work. dmesg|grep ath10k: [ 4.764210] ath10k_pci 0000:07:00.0: enabling device (0000 -> 0002) [ 4.765527] ath10k_pci 0000:07:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0 [ 4.886828] ath10k_pci 0000:07:00.0: firmware: direct-loading firmware ath10k/pre-cal-pci-0000:07:00.0.bin [ 4.886844] ath10k_pci 0000:07:00.0: firmware: failed to load ath10k/QCA9984/hw1.0/firmware-6.bin (-2) [ 4.888769] ath10k_pci 0000:07:00.0: firmware: direct-loading firmware ath10k/QCA9984/hw1.0/firmware-5.bin [ 4.888774] ath10k_pci 0000:07:00.0: qca9984/qca9994 hw1.0 target 0x01000000 chip_id 0x00000000 sub 168c:cafe [ 4.888777] ath10k_pci 0000:07:00.0: kconfig debug 0 debugfs 0 tracing 0 dfs 0 testmode 0 [ 4.889124] ath10k_pci 0000:07:00.0: firmware ver 10.4-3.9.0.2-00131 api 5 features no-p2p,mfp,peer-flow-ctrl,btcoex-param,allows-mesh-bcast,no-ps,peer-fixed-rate, iram-recovery crc32 23bd9e43 [ 7.170482] ath10k_pci 0000:07:00.0: firmware: direct-loading firmware ath10k/QCA9984/hw1.0/board-2.bin [ 7.170600] ath10k_pci 0000:07:00.0: board_file api 2 bmi_id 0:1 crc32 85498734 [ 10.810016] ath10k_pci 0000:07:00.0: failed to copy target iram contents: -12 [ 10.865295] ath10k_pci 0000:07:00.0: could not init core (-12) [ 10.865332] ath10k_pci 0000:07:00.0: could not probe fw (-12) kernel: [ 0.000000] Linux version 5.14.0-3-amd64 (debian-kernel@xxxxxxxxxxxxxxxx) (gcc-10 (Debian 10.3.0-11) 10.3.0, GNU ld (GNU Binutils for Debian) 2.37) #1 SMP Debian 5.14.12-1 (2021-10-14) [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.14.0-3-amd64 root=UUID=6ad1bda4-9feb-4849-b1d9-4311c76e3522 ro quiet [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
