终端执行ifconfig wlan0 up后无法启动无线网卡，log输出如下：
[root@100ask:~]# ifconfig wlan0 up
[ 98.007529] [dhd] dhd_open: Enter wlan0
[ 98.009995] [dhd] dhd_open : no mutex held. set lock
[ 98.014896] [dhd]
[ 98.014896] Dongle Host Driver, version 100.10.545.11 (r826445-20200610-1)
[ 98.027426] [dhd-wlan0] wl_android_wifi_on : in g_wifi_on=0
[ 98.032478] [dhd] wifi_platform_set_power = 1, delay: 200 msec
[ 98.049315] [dhd] ======== PULL WL_REG_ON(-1) HIGH! ========
[ 98.369829] [dhd] sdioh_start: set sd_f2_blocksize 256
[ 98.374083] [dhd]
[ 98.374083]
[ 98.374083] dhd_bus_devreset: == Power ON ==
[ 98.383223] [dhd] F1 signature read @0x18000000=0x1541a9a6
[ 98.392210] [dhd] F1 signature OK, socitype:0x1 chip:0xa9a6 rev:0x1 pkg:0x4
[ 98.398470] [dhd] DHD: dongle ram size is set to 524288(orig 524288) at 0x0
[ 98.406205] [dhd] dhd_bus_devreset: making DHD_BUS_DOWN
[ 98.410955] [dhd] dhdsdio_probe_init: making DHD_BUS_DOWN
[ 98.415815] [dhd] dhd_conf_read_config : Ignore config file /lib/firmware/config.txt
[ 98.424700] [dhd] dhd_conf_set_path_params : Final fw_path=/lib/firmware/fw_bcm43438a1.bin
[ 98.443551] [dhd] dhd_conf_set_path_params : Final nv_path=/lib/firmware/nvram_ap6236.txt
[ 98.459226] [dhd] dhd_conf_set_path_params : Final clm_path=/lib/firmware/clm_bcm43438a1.blob
[ 98.470201] [dhd] dhd_conf_set_path_params : Final conf_path=/lib/firmware/config.txt
[ 98.478575] [dhd] dhdsdio_download_code_file: Open firmware file failed /lib/firmware/fw_bcm43438a1.bin
[ 98.487391] [dhd] _dhdsdio_download_firmware: dongle image file download failed
[ 98.494101] [dhd] dhd_bus_devreset Failed to download binary to the dongle
[ 98.501069] [dhd] dhd_net_bus_devreset: dhd_bus_devreset: -35
[ 98.506520] [dhd] dhd_net_bus_devreset: dhd_bus_devreset: -35
[ 98.512845] [dhd] wifi_platform_set_power = 0, delay: 0 msec
[ 98.517939] [dhd] ======== PULL WL_REG_ON(-1) LOW! ========
[ 98.523728] [dhd-wlan0] wl_android_wifi_on : Failed
[ 98.528582] [dhd] dhd_open : wl_android_wifi_on failed (-35)
[ 98.545979] [dhd] dhd_stop: Enter wlan0
[ 98.548379] [dhd-wlan0] wl_android_wifi_off : in g_wifi_on=0, on_failure=1
[ 98.574068] [dhd] dhd_net_bus_devreset: dhd_bus_devreset: -35
[ 98.581513] [dhd] wifi_platform_set_power = 0, delay: 0 msec
[ 98.585734] [dhd] ======== PULL WL_REG_ON(-1) LOW! ========
[ 98.591466] [dhd-wlan0] wl_android_wifi_off : out
[ 98.596162] [dhd] dhd_stop: Exit wlan0
[ 98.600014] [dhd] dhd_open : the lock is released.
[ 98.604614] [dhd] dhd_open: Exit wlan0 ret=-1
[ 98.608925] [dhd] Failed to open primary dev ret -1
SIOCSIFFLAGS: Operation not permitted
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您好，我也遇到这个问题了，请问您是怎么解决的？
同问，我也遇到了你们是咋解决的？
我也遇到同样问题，有解决办法吗