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From 6f36a21e2a77b33eed45159a1556a4dd77422976 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Fri, 29 Jan 2021 10:34:11 +0000
Subject: [PATCH] kbuild: Silence unavoidable dtc overlay warnings
Much effort has been put into finding ways to avoid warnings from dtc
about overlays, usually to do with the presence of #address-cells and
size-cells, but not exclusively so. Since the issues being warned about
are harmless, suppress the warnings to declutter the build output and
to avoid alarming users.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
scripts/Makefile.lib | 6 ++++++
1 file changed, 6 insertions(+)
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -306,6 +306,12 @@ cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ;
$(DTC) -@ -H epapr -O dtb -o $@ -b 0 \
-i $(dir $<) $(DTC_FLAGS) \
-Wno-interrupts_property \
+ -Wno-label_is_string \
+ -Wno-reg_format \
+ -Wno-pci_device_bus_num \
+ -Wno-i2c_bus_reg \
+ -Wno-spi_bus_reg \
+ -Wno-avoid_default_addr_size \
-d $(depfile).dtc.tmp $(dtc-tmp) ; \
cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
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