dts/Makefile: simplify dtc invocation

[karo-tx-uboot.git] / dts / Makefile

diff --git a/dts/Makefile b/dts/Makefile
index 35303f7c5a8fdab0e5391c09d3a2bd9acb232c56..edaa65ebb4299d064e54254da2f2a8ea4480b72e 100644 (file)
--- a/dts/Makefile
+++ b/dts/Makefile
@@ -35,13 +35,8 @@ all: $(obj).depend $(LIB)
 DT_BIN := $(obj)dt.dtb
 
 $(DT_BIN): $(TOPDIR)/board/$(VENDOR)/dts/$(DEVICE_TREE).dts
-       rc=$$( \
-               cat $< | $(CPP) -P $(DTS_CPPFLAGS) - | \
-               { { $(DTC) -R 4 -p 0x1000 -O dtb -o ${DT_BIN} - 2>&1 ; \
-                   echo $$? >&3 ; } | \
-                 grep -v '^DTC: dts->dtb  on file' ; \
-               } 3>&1 1>&2 ) ; \
-       exit $$rc
+       $(CPP) -P $(DTS_CPPFLAGS) $< -o $(DT_BIN).dts.tmp
+       $(DTC) -R 4 -p 0x1000 -O dtb -o ${DT_BIN} $(DT_BIN).dts.tmp
 
 process_lds = \
        $(1) | sed -r -n 's/^OUTPUT_$(2)[ ("]*([^")]*).*/\1/p'