Hi,
We have built an OS for our intel device with Yocto's nanbield with the
linux-intel version 6.1.59. We need to disable some kernel configurations that
are unnecessary for our device. However, when we attempted to disable the
wireless configurations (CONFIG_WIRELESS and CONFIG_WLAN), it resulted in
numerous BitBake warnings, some of them pasted below:
Bitbake warnings:
WARNING: [kernel config]: specified values did not make it into the kernel's
final configuration:
[NOTE]: 'CONFIG_MAC80211' last val (m) and .config val (n) do not match
[INFO]: CONFIG_MAC80211 : n
[INFO]: raw config text:
....
Config 'MAC80211' has the following Direct dependencies (MAC80211=n):
CFG80211(=n) && WIRELESS(=n) && NET(=y)
Parent dependencies are:
WIRELESS [n] NET [y] CFG80211 [n]
[INFO]: config 'CONFIG_MAC80211' was set, but it wasn't assignable, check
(parent) dependencies
[NOTE]: 'CONFIG_CFG80211' last val (m) and .config val (n) do not match
[INFO]: CONFIG_CFG80211 : n
[INFO]: raw config text:
...
Config 'CFG80211' has the following Direct dependencies (CFG80211=n):
RFKILL(=y) || !RFKILL(=y) (=y) && WIRELESS(=n) && NET(=y)
Parent dependencies are:
RFKILL [y] CFG80211_USE_KERNEL_REGDB_KEYS [n] WIRELESS [n] NET [y]
[INFO]: config 'CONFIG_CFG80211' was set, but it wasn't assignable, check
(parent) dependencies
It seems the config fragment common-pc-wifi.cfg (included by the standard
linux-intel BSP) attempted to enable options like CONFIG_MAC80211,
CONFIG_CFG80211, CONFIG_ATH_COMMON etc., but this was not possible because the
parent option (WIRELESS) was disabled, leading to the bitbake warnings.
Is it ok to live with these warnings or is there a way to get rid of them? My
config fragment and linux-intel.bbappend is shown below:
cat disable-wrieless.cfg
# CONFIG_WIRELESS is not set
# CONFIG_WLAN is not set
cat linux-intel_%.bbappend
FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
SRC_URI += "file://disable-wireless.cfg \
"
Thank you in advance
Simi
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