kbuild: spl: Add shrunk arch-dtbs to targets list

This avoids needless rebuilding.

Fixes: 2f57c95100f2 ("spl: dm: Make it possible for the SPL to pick its own DTB from a FIT")
CC: Jean-Jacques Hiblot <jjhiblot@ti.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
index 63ce5caf239c971c154375db91890b5e830a2743..e6d56a1286f8833fbbc09a5824df761f21bbf6fc 100644 (file)
--- a/scripts/Makefile.spl
+++ b/scripts/Makefile.spl
@@ -459,11 +459,14 @@ dtbs:
 # information in a variable so we can use it in if_changed and friends.
 .PHONY: $(PHONY)
 
-SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
+SPL_OF_LIST_TARGETS = $(patsubst %,dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
+SHRUNK_ARCH_DTB = $(addprefix $(obj)/,$(SPL_OF_LIST_TARGETS))
 .SECONDEXPANSION:
 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) dts_dir
        $(call if_changed,fdtgrep)
 
+targets += $(SPL_OF_LIST_TARGETS)
+
 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
        -n "Multi DTB fit image for $(SPL_BIN)" -E \
        $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))