From 232195510c63685496c2c4fd132713222c312b9b Mon Sep 17 00:00:00 2001
From: Qubot <1445788683@qq.com>
Date: Fri, 12 Jun 2026 21:28:00 +0800
Subject: [PATCH] kbuild: install DT overlays from dtbo-y

---
 scripts/Makefile.dtbinst | 3 ++-
 scripts/Makefile.lib     | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
index 190d781e8..73fb0a1b4 100644
--- a/scripts/Makefile.dtbinst
+++ b/scripts/Makefile.dtbinst
@@ -17,7 +17,8 @@ include include/config/auto.conf
 include $(srctree)/scripts/Kbuild.include
 include $(src)/Makefile
 
-dtbs    := $(addprefix $(dst)/, $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-)))
+dtbs    := $(addprefix $(dst)/, $(dtb-y) $(dtbo-y) \
+		$(if $(CONFIG_OF_ALL_DTBS),$(dtb-) $(dtbo-)))
 subdirs := $(addprefix $(obj)/, $(subdir-y) $(subdir-m))
 
 __dtbs_install: $(dtbs) $(subdirs)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 0a8a4689c..354bedc43 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -77,6 +77,7 @@ always-y += $(userprogs-always-y) $(userprogs-always-m)
 # DTB
 # If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built
 dtb-$(CONFIG_OF_ALL_DTBS)       += $(dtb-)
+dtbo-$(CONFIG_OF_ALL_DTBS)      += $(dtbo-)
 
 # Composite DTB (i.e. DTB constructed by overlay)
 multi-dtb-y := $(call multi-search, $(dtb-y), .dtb, -dtbs)
@@ -85,7 +86,7 @@ real-dtb-y := $(call real-search, $(dtb-y), .dtb, -dtbs)
 # Base DTB that overlay is applied onto (each first word of $(*-dtbs) expansion)
 base-dtb-y := $(foreach m, $(multi-dtb-y), $(firstword $(call suffix-search, $m, .dtb, -dtbs)))
 
-always-y			+= $(dtb-y)
+always-y			+= $(dtb-y) $(dtbo-y)
 
 ifneq ($(CHECK_DTBS),)
 always-y += $(patsubst %.dtb,%.dt.yaml, $(real-dtb-y))