From: Frank Rowand <frank.rowand@xxxxxxxxxxxxxx>
Add a new temp file in the build directory arch/${arch}/boot/dts/
that contains the expanded device tree source with source file locations.
Requires a new version of the dtc compiler that understands the
--annotate flag.
Not-signed-off-by: Frank Rowand <frank.rowand@xxxxxxxxxxxxxx>
---
scripts/Makefile.lib | 3 +++
1 file changed, 3 insertions(+)
Index: b/scripts/Makefile.lib
===================================================================
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -287,12 +287,15 @@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
$(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \
-i $(dir $<) $(DTC_FLAGS) \
-d $(depfile).dtc.tmp $(dtc-tmp) ; \
+ $(objtree)/scripts/dtc/dtc --annotate -O dts -o $(dtc-annotate-tmp) \
+ $(dtc-tmp) ; \
cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
$(obj)/%.dtb: $(src)/%.dts FORCE
$(call if_changed_dep,dtc)
dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
+dtc-annotate-tmp = $(subst $(comma),_,$(dot-target).annotate.dts.tmp)
# Bzip2
# ---------------------------------------------------------------------------
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