kernel-fitImage: Strip path component from dtb

Machines that have added subdirectires to the KERNEL_DEVICETREE
recently, such as arm32 boards that were moved under subdirectories in
Linux 6.5, will have that subdirectory in the node name of the FIT. This
breaks existing systems that select a configuration in u-boot by it's
name.

Strip off the directory component from the device tree to preserve
compatibility.

(From OE-Core rev: 941ba1a132bafa9c9be855fb91fec96d8b06299f)

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/meta/classes-recipe/kernel-fitimage.bbclass b/meta/classes-recipe/kernel-fitimage.bbclass
index 13e8947f09..7e30a5d47e 100644
--- a/meta/classes-recipe/kernel-fitimage.bbclass
+++ b/meta/classes-recipe/kernel-fitimage.bbclass
@@ -599,6 +599,11 @@ fitimage_assemble() {
                                 DTB_PATH="${KERNEL_OUTPUT_DIR}/$DTB"
                         fi
 
+                        # Strip off the path component from the filename
+                        if "${@'false' if oe.types.boolean(d.getVar('KERNEL_DTBVENDORED')) else 'true'}"; then
+                            DTB=`basename $DTB`
+                        fi
+
                         # Set the default dtb image if it exists in the devicetree.
                         if [ ${FIT_CONF_DEFAULT_DTB} = $DTB ];then
                                 default_dtb_image=$(echo "$DTB" | tr '/' '_')