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linux: fix kernel config fragment support
Currently, using kernel config fragments is not working. If you try adding one as documented in the Yocto Mega Manual [1], it will be ignored. There are two reasons for this: - The config fragment logic is in kernel-yocto.bbclass, so we need to inherit that (this is similar to what linux-raspberrypi does in meta-raspberrypi). - We remove ${B}/.config, which undoes any config created by kernel-yocto. Fix this by inheriting kernel-yocto and not removing ${B}/.config. With this patch, fragments are working. Note that we also need to add a few variables (like KERNEL_KBUILD) to make kernel-yocto happy. [1] http://www.yoctoproject.org/docs/2.5/mega-manual/mega-manual.html#creating-the-append-file Signed-off-by: Martin Kelly <mkelly@xevo.com>
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@ -8,6 +8,10 @@ inherit kernel
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require linux.inc
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# Since we're not using git, this doesn't make a difference, but we need to fill
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# in something or kernel-yocto.bbclass will fail.
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KBRANCH ?= "master"
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# Pull in the devicetree files into the rootfs
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RDEPENDS_kernel-base += "kernel-devicetree"
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@ -8,6 +8,8 @@ inherit kernel
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require linux.inc
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KBRANCH ?= "master"
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# Pull in the devicetree files into the rootfs
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RDEPENDS_kernel-base += "kernel-devicetree"
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@ -5,7 +5,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
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INC_PR = "r0"
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inherit kernel siteinfo
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inherit kernel kernel-yocto siteinfo
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# Enable OABI compat for people stuck with obsolete userspace
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ARM_KEEP_OABI ?= "0"
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@ -22,6 +22,8 @@ LOGO_SIZE ?= '${@base_conditional("MACHINE_GUI_CLASS", "bigscreen", "vga", "qvga
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# accordingly.
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LOCALVERSION ?= ""
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KCONFIG_MODE ?= "alldefconfig"
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KMACHINE ?= "${MACHINE}"
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#kernel_conf_variable CMDLINE "\"${CMDLINE} ${CMDLINE_DEBUG}\""
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kernel_conf_variable() {
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@ -35,7 +37,6 @@ kernel_conf_variable() {
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}
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do_configure_prepend() {
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echo "" > ${B}/.config
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CONF_SED_SCRIPT=""
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#
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@ -111,9 +112,6 @@ do_configure_prepend() {
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kernel_conf_variable CMDLINE \"${CMDLINE_NFSROOT_USB} ${CMDLINE_DEBUG}\"
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fi
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sed -e "${CONF_SED_SCRIPT}" \
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< '${WORKDIR}/defconfig' >>'${B}/.config'
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yes '' | oe_runmake -C ${S} O=${B} oldconfig
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}
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