我用的是wifi型号 wl1807 。开启ap模式报错如下，另外我的mmc信号线是3.3v的逻辑电压，经转换后接入wl1807.
Configuration file: /home/root/setup/net_conf/hostapd_wlan0.conf
WPS: WPA/TKIP configuration without WPA2/CCMP/GCMP forced WPS to be disabled
[ 85.310325] ------------[ cut here ]------------
[ 85.315080] WARNING: CPU: 0 PID: 798 at /home/sdb/works/am437x/board-support/extra-drivers/w18-build/src/compat_wireless/drivers/net/wireless/ti/wlcore/sdio.c:145 wl12xx_sdio_raw_write+0xac/0x138 [wlcore_sdio]()
[ 85.335099] Modules linked in: ipv6 rpmsg_pru wl18xx(O) wlcore(O) virtio_rpmsg_bus mac80211(O) cfg80211(O) pru_rproc ti_am335x_adc kfifo_buf industrialio pm33xx wlcore_sdio(O) compat(O) pruss phy_omap_usb2 omap_des omap_sham omap_aes_driver dwc3_omap omap_rng extcon rng_core rtc_omap omap_wdt ti_am335x_tscadc
[ 85.380293] CPU: 0 PID: 798 Comm: hostapd Tainted: G O 4.1.18-gbbe8cfc #14
[ 85.388343] Hardware name: Generic AM43 (Flattened Device Tree)
[ 85.394796] Backtrace:
[ 85.397378] [<c0012b78>] (dump_backtrace) from [<c0012d98>] (show_stack+0x18/0x1c)
[ 85.405425] r7:bf157074 r6:00000091 r5:00000009
[ 85.410442] r4:00000000
[ 85.413067] [<c0012d80>] (show_stack) from [<c0606180>] (dump_stack+0x20/0x28)
[ 85.421000] [<c0606160>] (dump_stack) from [<c00380f8>] (warn_slowpath_common+0x7c/0xb4)
[ 85.429156] [<c003807c>] (warn_slowpath_common) from [<c00381d4>] (warn_slowpath_null+0x24/0x2c)
[ 85.438407] r8:00004000 r7:ed1c0000 r6:ed8f9810 r5:00000000 r4:ed800600
[ 85.445477] [<c00381b0>] (warn_slowpath_null) from [<bf156278>] (wl12xx_sdio_raw_write+0xac/0x138 [wlcore_sdio])
[ 85.457321] [<bf1561cc>] (wl12xx_sdio_raw_write [wlcore_sdio]) from [<bf47a2ec>] (wlcore_boot_upload_firmware+0x1e0/0x450 [wlcore])
[ 85.469507] r9:bf488ce0 r8:00000002 r7:ed1c0000 r6:ed34d380 r5:0001c000 r4:00108000
[ 85.478407] [<bf47a10c>] (wlcore_boot_upload_firmware [wlcore]) from [<bf51f144>] (wl18xx_boot+0x93c/0xcf4 [wl18xx])
[ 85.489744] r10:ed3efb28 r9:ed3efb24 r8:bf488ce0 r7:bf488ce0 r6:c0875614 r5:00000000
[ 85.497739] r4:ed34d380
[ 85.500928] [<bf51e808>] (wl18xx_boot [wl18xx]) from [<bf469e4c>] (wl1271_op_add_interface+0x6b4/0x984 [wlcore])
[ 85.511823] r7:ed34d3b8 r6:00000003 r5:ed34d380 r4:00000000
[ 85.518507] [<bf469798>] (wl1271_op_add_interface [wlcore]) from [<bf333078>] (drv_add_interface+0x34/0x80 [mac80211])
[ 85.530184] r10:00008914 r9:ffffffff r8:00000001 r7:ed3ef460 r6:ed34cbc0 r5:ed3ef000
[ 85.538122] r4:ed3ef460
[ 85.541703] [<bf333044>] (drv_add_interface [mac80211]) from [<bf344f60>] (ieee80211_do_open+0x4dc/0x904 [mac80211])
[ 85.552953] r5:ed3ef000 r4:ed3ef468
[ 85.556985] [<bf344a84>] (ieee80211_do_open [mac80211]) from [<bf3453e4>] (ieee80211_open+0x5c/0x60 [mac80211])
[ 85.568214] r10:00008914 r9:eda60900 r8:00000000 r7:00001002 r6:00001003 r5:bf381e80
[ 85.576340] r4:ed3ef460
[ 85.579396] [<bf345388>] (ieee80211_open [mac80211]) from [<c05255fc>] (__dev_open+0xc0/0x128)
[ 85.588967] r5:bf381e80 r4:ed3ef000
[ 85.592769] [<c052553c>] (__dev_open) from [<c05258b0>] (__dev_change_flags+0x90/0x154)
[ 85.601279] r5:00000001 r4:ed3ef000
[ 85.604914] [<c0525820>] (__dev_change_flags) from [<c0525994>] (dev_change_flags+0x20/0x50)
[ 85.613769] r9:eda60900 r8:00000000 r7:00000000 r6:00001002 r5:ed3ef138 r4:ed3ef000
[ 85.621692] [<c0525974>] (dev_change_flags) from [<c0596fc8>] (devinet_ioctl+0x664/0x748)
[ 85.630228] r9:eda60900 r8:00000000 r7:00000000 r6:bee3d93c r5:eda6090c r4:00000000
[ 85.638085] [<c0596964>] (devinet_ioctl) from [<c05986a8>] (inet_ioctl+0x19c/0x1c8)
[ 85.646073] r10:00000000 r9:00000007 r8:bee3d93c r7:c0893300 r6:bee3d93c r5:ed6261a0
[ 85.654023] r4:00008914
[ 85.656637] [<c059850c>] (inet_ioctl) from [<c05095e4>] (sock_ioctl+0x130/0x28c)
[ 85.664488] [<c05094b4>] (sock_ioctl) from [<c011a00c>] (do_vfs_ioctl+0x424/0x624)
[ 85.672152] r7:00008914 r6:ed85ecc0 r5:ed6261a0 r4:bee3d93c
[ 85.677876] [<c0119be8>] (do_vfs_ioctl) from [<c011a280>] (SyS_ioctl+0x74/0x84)
[ 85.685554] r9:00000007 r8:bee3d93c r7:00008914 r6:ed85ecc0 r5:ed85ecc0 r4:00000000
[ 85.693465] [<c011a20c>] (SyS_ioctl) from [<c000f8e0>] (ret_fast_syscall+0x0/0x3c)
[ 85.701340] r9:ed85a000 r8:c000fa84 r7:00000036 r6:00000000 r5:00000000 r4:00000000
[ 85.709172] ---[ end trace 89a1ce2e9612fbb6 ]---
[ 85.714123] wl1271_sdio mmc2:0001:2: sdio write failed (-84)
[ 85.720336] mmc2: mmc_power_save_host: powering down
