[PATCH v2 1/2] of: support dtc compiler flags for overlays

From: frowand . list
Date: Mon Apr 24 2017 - 19:06:58 EST


From: Frank Rowand <frank.rowand@xxxxxxxx>

The dtc compiler version that adds initial support was available
in 4.11-rc1. Add the ability to set the dtc compiler flags needed
by overlays.

Signed-off-by: Frank Rowand <frank.rowand@xxxxxxxx>
---
scripts/Makefile.lib | 2 ++
1 file changed, 2 insertions(+)

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 0a07f9014944..0bbec480d323 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -283,6 +283,8 @@ ifeq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),)
DTC_FLAGS += -Wno-unit_address_vs_reg
endif

+DTC_FLAGS += $(DTC_FLAGS_$(basetarget))
+
# Generate an assembly file to wrap the output of the device tree compiler
quiet_cmd_dt_S_dtb= DTB $@
cmd_dt_S_dtb= \
--
Frank Rowand <frank.rowand@xxxxxxxx>