Add sanity check for LTS Kernel

layers/meta-belden-coreos/classes/coreos-sanity.bbclass

@@ -22,12 +22,20 @@ python check_coreos_sanity_eventhandler() {
             "systemd is not set as `INIT_MANAGER`. "
             "Using SystemD is mandatory on CoreOS based distribution"
         )
-    
+
     if e.data.getVar("TCLIBC") != "glibc":
         bb.fatal(
             "glibc is not set as `TCLIBC`. "
             "Using glibc is mandatory on CoreOS based distribution"
         )
 
+    virtKernel = e.data.getVar('PREFERRED_PROVIDER_virtual/kernel')
+    if "lts" not in virtKernel:
+        bb.warn(
+            "No LTS Linux Kernel used. "
+            "It is highly recommended to use a LTS version. "
+            "Currently used provider is: %s_%s" % (virtKernel, e.data.getVar('PREFERRED_VERSION_' + virtKernel))
+        )
+
     return
 }

layers/meta-belden-coreos/conf/distro/belden-coreos.conf

@@ -56,3 +56,8 @@ SDK_VERSION = "${DISTRO_VERSION}"
 SDK_VERSION[vardepvalue] = "${SDK_VERSION}"
 SDK_NAME = "${DISTRO}-${TCLIBC}-${SDKMACHINE}-${IMAGE_BASENAME}-${TUNE_PKGARCH}-${MACHINE}"
 SDKPATHINSTALL = "/opt/${DISTRO}/${SDK_VERSION}"
+
+# Linux Kernel Configuration
+# ==============================================================================
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-coreos-lts"
+PREFERRED_VERSION_linux-coreos-lts ?= "5.15"

layers/meta-belden-coreos/recipes-kernel/linux/files/cn913x_additions.cfg

@@ -0,0 +1,18 @@
+CONFIG_NET_DSA_MV88E6XXX=m
+CONFIG_USB_SERIAL=y
+CONFIG_USB_SERIAL_FTDI_SIO=y
+CONFIG_USB_SERIAL_WWAN=y
+CONFIG_USB_SERIAL_OPTION=y
+CONFIG_NET_DSA=m
+CONFIG_SENSORS_PWM_FAN=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_SFP=y
+CONFIG_MARVELL_PHY=y
+CONFIG_MARVELL_10G_PHY=y
+CONFIG_SENSORS_MCP3021=y
+CONFIG_EEPROM_AT24=y
+CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+CONFIG_ACPI_CPPC_CPUFREQ=y
+CONFIG_ARM_ARMADA_8K_CPUFREQ=y

layers/meta-belden-coreos/recipes-kernel/linux/linux-coreos-dev_6.0.bb

@@ -0,0 +1,26 @@
+DESCRIPTION = "Linux kernel for various boards using CoreOS"
+COMPATIBLE_MACHINE = "cn913x"
+
+inherit kernel
+
+SRC_URI = "git://git@bitbucket.gad.local:7999/ico/belden-linux-stable.git;branch=linux-6.0.y;protocol=ssh  \
+           file://cn913x_additions.cfg \
+"
+
+SRCREV ?= "d52f0d36932957910ac54206f5ff7645308fa519"
+
+LICENSE = "GPLv2"
+LIC_FILES_CHKSUM = "file://COPYING;md5=6bc538ed5bd9a7fc9398086aedcd7e46"
+
+S = "${WORKDIR}/git"
+
+#If a KERNEL_DEFCONFIG is specified, the defconfig specified in SRC_URI will be overwritten!
+do_configure:append(){
+    if [ "${KERNEL_DEFCONFIG}" != "" ]; then
+        oe_runmake ${KERNEL_DEFCONFIG}
+    fi
+    configs="${@" ".join(find_cfgs(d))}"
+    if [ ! -z "${configs}" ]; then
+        ${S}/scripts/kconfig/merge_config.sh -m -O ${WORKDIR}/build ${WORKDIR}/build/.config ${WORKDIR}/*.cfg
+    fi
+}

layers/meta-belden-coreos/recipes-kernel/linux/linux-coreos-lts_5.15.bb

@@ -0,0 +1,26 @@
+DESCRIPTION = "Linux kernel for various boards using CoreOS"
+COMPATIBLE_MACHINE = "cn913x"
+
+inherit kernel
+
+SRC_URI = "git://git@bitbucket.gad.local:7999/ico/belden-linux-stable.git;branch=linux-5.15.y;protocol=ssh \
+           file://cn913x_additions.cfg \
+"
+
+SRCREV ?= "db87c63be6014625b5e06fa65ce24e29d3756507"
+
+LICENSE = "GPLv2"
+LIC_FILES_CHKSUM = "file://COPYING;md5=6bc538ed5bd9a7fc9398086aedcd7e46"
+
+S = "${WORKDIR}/git"
+
+#If a KERNEL_DEFCONFIG is specified, the defconfig specified in SRC_URI will be overwritten!
+do_configure:append(){
+    if [ "${KERNEL_DEFCONFIG}" != "" ]; then
+        oe_runmake ${KERNEL_DEFCONFIG}
+    fi
+    configs="${@" ".join(find_cfgs(d))}"
+    if [ ! -z "${configs}" ]; then
+        ${S}/scripts/kconfig/merge_config.sh -m -O ${WORKDIR}/build ${WORKDIR}/build/.config ${WORKDIR}/*.cfg
+    fi
+}

layers/meta-belden-marvell-bsp/conf/machine/include/cn913x.inc

@@ -23,15 +23,20 @@ UBOOT_LOADADDRESS = "0x7000000"
 
 # Kernel configuration
 # ******************************************************************************
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-coreos-lts"
+PREFERRED_VERSION_linux-coreos-lts ?= "5.15"
+
+# uncomment to have the latest stable
+# PREFERRED_PROVIDER_virtual/kernel ?= "linux-coreos-dev"
+# PREFERRED_VERSION_linux-coreos-dev ?= "6.0"
 
-PREFERRED_PROVIDER_virtual/kernel ?= "linux-netmodule"
-PREFERRED_VERSION_linux-netmodule ?= "git-5.15-solidrun"
 PREFERRED_VERSION_trusted_firmware_a ?= "2.3-solidrun"
 
 KERNEL_IMAGETYPE = "Image"
 KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT}"
 
-KERNEL_DEFCONFIG ?= "cn9130-netmodule_defconfig"
+#KERNEL_DEFCONFIG ?= "cn9130-netmodule_defconfig"
+KERNEL_DEFCONFIG ?= "defconfig"
 
 # By default we compile all supported cn913x devicetree. The devicetree to use
 # is then set for each machine with the KERNEL_DEVICETREE_TO_USE variable