现在用荔枝派zero把RTL8723挂mmc1可以了正常驱动,如果挂mmc0,应该怎么做呢, 是不是要修改dts?
如何修改呢?
最近编辑记录 daydayup (2017-12-27 14:31:07)
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Icenowy大神说不用配置任何dts项目, 那我接着试一试。
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# insmod /usr/lib/r8723bs.ko
[ 8.842873] r8723bs: module is from the staging directory, the quality is unknown, you have been warned.
[ 8.859497] RTL8723BS: module init start
[ 8.863436] RTL8723BS: rtl8723bs v4.3.5.5_12290.20140916_BTCOEX20140507-4E40
[ 8.870578] RTL8723BS: rtl8723bs BT-Coex version = BTCOEX20140507-4E40
[ 8.877233] RTL8723BS: module init ret =0
# ifconfig wlan0 up
ifconfig: ioctl 0x8913 failed: No such device
# ifconfig wlan0
ifconfig: wlan0: error fetching interface information: Device not found
把淘宝上买的 RTL8723BS模块 怼上去之后,
shell安装 rtl8723bs驱动,出现上面的错误。
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这是我焊到板子上的图片
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电源3V3, GND 供电都正常,SDIO 6条线也没有短路断路。
路过的大神帮我分析一下。
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注意模块的12脚, 22脚一定要拉到3V3,否则不工作。
22脚VDD_IO是IO口的电压, 拉到3V3表示IO电压是3V3的, 当然这个模块是可以接入1.8V的 IO系统。
搞定,感谢大神!
12脚飞线拉到3V3就好了。
#
# insmod /usr/lib/r8723bs.ko
[ 9.557441] r8723bs: module is from the staging directory, the quality is unknown, you have been warned.
[ 9.573924] RTL8723BS: module init start
[ 9.578001] RTL8723BS: rtl8723bs v4.3.5.5_12290.20140916_BTCOEX20140507-4E40
[ 9.585073] RTL8723BS: rtl8723bs BT-Coex version = BTCOEX20140507-4E40
[ 9.597951] pnetdev = c2860000
[ 9.648070] RTL8723BS: rtw_ndev_init(wlan0)
[ 9.671299] RTL8723BS: module init ret =0
# ifconfig wlan0 up
[ 15.865730] rtl8723bs: acquire FW from file:rtlwifi/rtl8723bs_nic.bin
[ 16.057497] random: crng init done
# ifconfig
wlan0 Link encap:Ethernet HWaddr 84:26:BD:30:84:22
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)# [ 300.086160] RTL8723BS: nolinked power save enter
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