$ dmesg | grep brcmf [ 18.223252] brcmfmac: F1 signature read @0x18000000=0x15264345 [ 18.263125] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6 [ 18.265531] usbcore: registered new interface driver brcmfmac [ 18.299457] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.bin failed with error -2 [ 19.312937] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50 При этом нужный файл есть, но он сжатый: $ find /lib/firmware -name 'brcmfmac43455-sdio.bin.xz' /lib/firmware/brcm/brcmfmac43455-sdio.bin.xz $ uname -a Linux asheplyakov-rpi4b 5.10.50-rpi-def-alt1 #1 SMP Wed Aug 4 17:47:59 UTC 2021 armv7l GNU/Linux
kernel-image-rpi-def-1:5.10.63-alt1 -> sisyphus: Thu Oct 07 2021 Dmitry Terekhin <jqt4@altlinux> 1:5.10.63-alt1 - Updated to 5.10.63 (still RPi-specific) - https://github.com/raspberrypi/linux.git rpi-5.10.y - commit 6237d09759ba6c8746cd1e19b16faee50c97bfac - CONFIG_WIREGUARD=m - Add some CRYPTO modules - (closes: 41046) - Enabled loading compressed firmware blobs on armh - CONFIG_FW_LOADER_PAGED_BUF=y - CONFIG_FW_LOADER_USER_HELPER=y - CONFIG_FW_LOADER_COMPRESS=y - (closes: 41070)
