kernel.bbclass: add support for LZ4 initramfs files

(From OE-Core rev: 4cf53999459f3984f541ad5e666057a6727a066c)

Signed-off-by: Koen Kooi <koen.kooi@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 5fef446fb6..f2a5ec5de7 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -87,7 +87,7 @@ copy_initramfs() {
         mkdir -p ${B}/usr
         # Find and use the first initramfs image archive type we find
         rm -f ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.cpio
-        for img in cpio.gz cpio.lzo cpio.lzma cpio.xz; do
+        for img in cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz; do
                 if [ -e "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img" ]; then
                         cp ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img ${B}/usr/.
                         case $img in
@@ -96,6 +96,11 @@ copy_initramfs() {
                                 gunzip -f ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
                                 break
                                 ;;
+                        *lz4)
+                                echo "lz4 decompressing image"
+                                lz4 -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
+                                break
+                                ;;
                         *lzo)
                                 echo "lzo decompressing image"
                                 lzop -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img