On 08/23/2012 08:35 AM, Marc Ferland wrote:
Jim Abernathy <jfaberna...@gmail.com> writes:
If I need to add a driver for a networking device that should be in
the 3.0 kernel, but seems to be turned off, I usually follow the
example in sections B.2.3 in the Development Manual. When I get to the
stage of running bitbake linux-yocto -c menuconfig, I can search for
my device with the "/" command and search for CONFIG_RTL8192CE and I
find this:
Symbol: RTL8192CE [=n] │
│ Type : tristate │
│ Prompt: Realtek RTL8192CE/RTL8188CE Wireless Network Adapter │
│ Defined at drivers/net/wireless/rtlwifi/Kconfig:1 │
│ Depends on: NETDEVICES [=y] && WLAN [=y] && MAC80211 [=n] && PCI [=y] │
│ Location: │
│ -> Device Drivers │
│ -> Network device support (NETDEVICES [=y]) │
│ -> Wireless LAN (WLAN [=y]) │
│ Selects: FW_LOADER [=y] && RTLWIFI [=n] && RTL8192C_COMMON [=n]
However, I can't find this device where is should be or anywhere in
the .config file. I've tried just adding the CONFIG_RTL8192CE=y to a
config fragment file anyway and that didn't work. After building the
image, the .config still didn't have the CONFIG_RTL8192CE=y. The 3.0
kernel should have support for the RTL8192CE devices.
Also if I manual add CONFIG_RTL8192CE=y to the .config file and then
compile and build the kernel, the RTL8192CE parameter is removed from
the .config file after the kernel build.
You probably need to enable MAC80211 first. Your RTL8192CE driver will
be selectable afterwards.
Marc
You are correct. after I posted my question, I cheated and booted Ubuntu
on the same hardware and saw the list of modules that lsmod showed were
loaded to support my WiFi card. my config fragment files now has:
CONFIG_RTL8192CE=y
CONFIG_RTL8192C_COMMON=y
CONFIG_RTLWIFI=y
CONFIG_MAC80211=y
CONFIG_CFG80211=y
It's still building, but at least the .config file now has all the right
parameters in it and they didn't get deleted by the bitbake linux-yocto
-c compile -f
Thanks,
Jim A
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