gcc-9: silence 'address-of-packed-member' warning

As done in the Linux Kernel. Most of the packed structures we have
are optimized to not generate any unaligned accesses, so this warning
produces a lot of false positives which are hard to fix in the code.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 5ca5fab717..aa50aa73ed 100644
--- a/Makefile
+++ b/Makefile
@@ -478,6 +478,8 @@ CFLAGS += $(call cc-disable-warning, trampolines)
 
 CFLAGS += $(call cc-option, -fno-delete-null-pointer-checks,)
 
+CFLAGS   += $(call cc-disable-warning, address-of-packed-member)
+
 # arch Makefile may override CC so keep this after arch Makefile is included
 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
 CHECKFLAGS     += $(NOSTDINC_FLAGS)