linux-kernel - [PATCH 2/2] kbuild: disable new dtc graph and unit-address warnings

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Date:   Tue,  8 May 2018 08:51:50 -0500
From:   Rob Herring <robh@...nel.org>
To:     devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Frank Rowand <frowand.list@...il.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-kbuild@...r.kernel.org
Subject: [PATCH 2/2] kbuild: disable new dtc graph and unit-address warnings

dtc gained some new warnings for OF graphs and unique unit addresses,
but they are currently much too noisy. So turn off
'graph_child_address', 'graph_port', and 'unique_unit_address' warnings
by default. They can be enabled by building dtbs with W=1.

Cc: Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc: Michal Marek <michal.lkml@...kovi.net>
Cc: linux-kbuild@...r.kernel.org
Signed-off-by: Rob Herring <robh@...nel.org>
---
I plan to take this via DT tree as it is dependent on a dtc update in 
patch 1.

 scripts/Makefile.lib | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 5af34a2b0cd9..1bb594fcfe12 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -251,6 +251,9 @@ DTC_FLAGS += -Wno-unit_address_vs_reg \
 	-Wno-unit_address_format \
 	-Wno-avoid_unnecessary_addr_size \
 	-Wno-alias_paths \
+	-Wno-graph_child_address \
+	-Wno-graph_port \
+	-Wno-unique_unit_address \
 	-Wno-pci_device_reg
 endif
 
-- 
2.17.0