1 files changed, 15 insertions, 0 deletions

diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass
index ed9bcfa57c..87c681f1c3 100644
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -182,6 +182,14 @@ do_kernel_metadata() {
                 if [ $? -ne 0 ]; then
                         bbfatal_log "Could not locate BSP definition for ${KMACHINE}/${LINUX_KERNEL_TYPE} and no defconfig was provided"
                 fi
+
+                # if the bsp definition has "define KMETA_EXTERNAL_BSP t",
+                # then we need to set a flag that will instruct the next
+                # steps to use the BSP as both configuration and patches.
+                grep -q KMETA_EXTERNAL_BSP $bsp_definition
+                if [ $? -eq 0 ]; then
+                    KMETA_EXTERNAL_BSPS="t"
+                fi
         fi
         meta_dir=$(kgit --meta)
 
@@ -195,6 +203,13 @@ do_kernel_metadata() {
                 fi
         fi
 
+        # if KMETA_EXTERNAL_BSPS has been set, or it has been detected from
+        # the bsp definition, then we inject the bsp_definition into the
+        # patch phase below.  we'll piggy back on the sccs variable.
+        if [ -n "${KMETA_EXTERNAL_BSPS}" ]; then
+                sccs="${bsp_definition} ${sccs}"
+        fi
+
         # run2: only generate patches for elements that have been passed on the SRC_URI
         elements="`echo -n ${sccs} ${patches} ${KERNEL_FEATURES}`"
         if [ -n "${elements}" ]; then