1 files changed, 85 insertions, 0 deletions
diff --git a/recipes-kernel/backports/backports_5.4.bb b/recipes-kernel/backports/backports_5.4.bb
new file mode 100644
index 0000000..4d74c62
--- /dev/null
+++ b/recipes-kernel/backports/backports_5.4.bb
@@ -0,0 +1,85 @@
+DESCRIPTION = "Linux Backports"
+HOMEPAGE = "https://backports.wiki.kernel.org"
+SECTION = "kernel/modules"
+LICENSE = "GPLv2"
+LIC_FILES_CHKSUM = "file://COPYING;md5=bbea815ee2795b2f4230826c0c6b8814"
+
+inherit module-base
+
+DEPMOD_CONF = "99-backports.conf"
+
+# To generate the backports tree yourself, so you can make modifications:
+# Generate the backport tree using:
+#    git clone git://git.toradex.com/backports-sources-toradex.git -b linux-5.4.y
+# add/commit the generated tree
+# Change SRCREV = to point to your generated tree
+# Under SRC_URI point this at your generated tree as such:
+#    git:///home/user/linux-backports-generated;protocol=file
+
+SRCREV = "e8ef623db4bd6fb85df341d583000e1b12a64a63"
+SRCREV_use-head-next = "${AUTOREV}"
+SRC_URI = " \
+    git://git.toradex.com/backports-toradex.git;protocol=git;branch=toradex-${PV} \
+    file://config \
+    file://${DEPMOD_CONF} \
+    "
+
+# Depend on virtual/kernel to ensure that the kernel is built before we try to
+# build the backports
+DEPENDS += "virtual/kernel"
+DEPENDS += "bison-native coreutils-native flex-native"
+
+S = "${WORKDIR}/git"
+
+EXTRA_OEMAKE = " \
+    KLIB_BUILD=${KBUILD_OUTPUT} \
+    KLIB=${B} \
+    "
+
+do_configure() {
+    # Somehow lex does not automatically get linked to flex!
+    ln -fs flex ../recipe-sysroot-native/usr/bin/lex
+    make CFLAGS="" CPPFLAGS="" CXXFLAGS="" LDFLAGS="" CC="${BUILD_CC}" LD="${BUILD_LD}" \
+        AR="${BUILD_AR}" -C ${S}/kconf O=${S}/kconf conf
+
+    cp ${WORKDIR}/config ${S}/.config
+    oe_runmake oldconfig
+}
+
+# LDFLAGS are not suitable for direct ld use as with the kernel build system
+do_compile() {
+    unset LDFLAGS
+    oe_runmake
+}
+
+do_install() {
+    install -d ${D}/etc/depmod.d/
+    install -m 0644 ${WORKDIR}/${DEPMOD_CONF} ${D}/etc/depmod.d/${DEPMOD_CONF}
+
+    install -d ${D}/lib/modules/${KERNEL_VERSION}/backports
+    for ko in $(find ${S} -type f -name "*.ko")
+    do
+        install -m 0644 $ko ${D}/lib/modules/${KERNEL_VERSION}/backports/
+    done
+}
+
+pkg_postinst_${PN} () {
+    if [ -z "$D" ]; then
+        depmod -a ${KERNEL_VERSION}
+    else
+        # image.bbclass will call depmodwrapper after everything is installed,
+        # no need to do it here as well
+        :
+    fi
+}
+
+pkg_postrm_${PN} () {
+    if [ -z "$D" ]; then
+        depmod -a ${KERNEL_VERSION}
+    fi
+}
+
+FILES_${PN} = " \
+    /etc/depmod.d/${DEPMOD_CONF} \
+    /lib/modules/${KERNEL_VERSION}/backports/ \
+    "