From: Stephen Warren <swar...@nvidia.com>

Recent dtc supports #line directives in the input source code, and even
uses them to generate useful line numbers in any messages it emits. Stop
passing -P to cpp, since there's no need any more.

Signed-off-by: Stephen Warren <swar...@nvidia.com>
Acked-by: Simon Glass <s...@chromium.org>
---
 dts/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dts/Makefile b/dts/Makefile
index 42ba42f..805d2cc 100644
--- a/dts/Makefile
+++ b/dts/Makefile
@@ -51,7 +51,7 @@ all:  $(obj).depend $(LIB)
 DT_BIN := $(obj)dt.dtb
 
 $(DT_BIN): $(TOPDIR)/board/$(VENDOR)/dts/$(DEVICE_TREE).dts
-       $(CPP) -P $(DTS_CPPFLAGS) $< -o $(DT_BIN).dts.tmp
+       $(CPP) $(DTS_CPPFLAGS) $< -o $(DT_BIN).dts.tmp
        $(DTC) $(DTC_FLAGS) -O dtb -o ${DT_BIN} $(DT_BIN).dts.tmp
 
 process_lds = \
-- 
1.8.1.5

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