Dear
I'm using buildroot to build a custom root file system for Beaglebone. My
application uses a wifi dongle (Realtek 8192 chipset). I rebuilt kernel
image (ver 3.2.0) and the image and wifi dongle work well with Debian root
file system. My problem is : the built buildroot root file system get
firmware error when modprobe rtl8192cu:
# modprobe rtl8192cu
[ 194.077442] cfg80211: Calling CRDA to update world regulatory domain
Feb 15 08:01:23 beaglebone kern.info kernel: [ 194.077442] cfg80211:
Calling CRDA to update world regulatory domain
[ 194.171603] rtl8192cu: MAC address: 00:0f:13:59:0f:e1
[ 194.176981] rtl8192cu: Board Type 0
Feb 15 08:01:23 beaglebone kern.info kernel: [ 194.171603] rtl8192cu: MAC
address: 00:0f:13:59:0f:e1
Feb 15 08:01:23 beaglebone kern.info kernel: [ 194.176981] rtl8192cu:
Board Type 0
[ 255.203972] usbcore: registered new interface driver rtl8192cu
# Feb 15 08:02:24 beaglebone kern.debug kernel: [ 255.203643]
rtl8192cu:rtl92cu_init_sw_vars():<0-0> Failed to request firmware!
Feb 15 08:02:24 beaglebone kern.debug kernel: [ 255.203668]
rtlwifi:rtl_usb_probe():<0-0> Can't init_sw_vars.
Feb 15 08:02:24 beaglebone kern.info kernel: [ 255.203972] usbcore:
registered new interface driver rtl8192cu
I also chose the option: Target packages -> Hardware handling -> Frimware
-> wifi firmware:
[ ] Marvell Wifi-Ex SD 8787
[ ] Ralink rt2501/rt61
[ ] Ralink rt73
[ ] Ralink rt27xx/rt28xx/rt30xx
[*] Realtek 81xx
[*] Realtek 87xx
[*] Realtek 88xx
[*] TI wl127x
[*] TI wl128x
[ ] TI wl18xx
But it can not change the error
Please help me
Thank you
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