linux-xlnx_2021.1.bb: Add flag to parametrize dt file extensions

Adding flag DT_SEARCH_ARG to be able to customize which file extensions
in EXTERNAL_KERNEL_DEVICETREE are processed into the fitimage

Signed-off-by: Jaewon Lee <jaewon.lee@xilinx.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx_2021.1.bb b/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx_2021.1.bb
index 798b3a4c..40fcd0e6 100644
--- a/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx_2021.1.bb
+++ b/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx_2021.1.bb
@@ -10,6 +10,7 @@ fitimage_assemble() {
         kernelcount=1
         dtbcount=""
         DTBS=""
+        DT_SEARCH_ARG=""
         ramdiskcount=${3}
         setupcount=""
         rm -f ${1} arch/${ARCH}/boot/${2}
@@ -47,8 +48,11 @@ fitimage_assemble() {
         fi
 
         if [ -n "${EXTERNAL_KERNEL_DEVICETREE}" ]; then
+                if [ -z "${DT_SEARCH_ARG}" ]; then
+                        DT_SEARCH_ARG="-name *.dtb -o -name *.dtbo"
+                fi
                 dtbcount=1
-                for DTB in $(find "${EXTERNAL_KERNEL_DEVICETREE}" \( -name '*.dtb' -o -name '*.dtbo' \) -printf '%P\n' | sort); do
+                for DTB in $(find "${EXTERNAL_KERNEL_DEVICETREE}" \( ${DT_SEARCH_ARG} \) -printf '%P\n' | sort); do
                         DTB=$(echo "${DTB}" | tr '/' '_')
                         DTBS="${DTBS} ${DTB}"
                         fitimage_emit_section_dtb ${1} ${DTB} "${EXTERNAL_KERNEL_DEVICETREE}/${DTB}"