firmware/Makefile: force recompilation if makefile changes
If you modify the target asm we currently do not force the recompilation
of the firmware files. The target asm is in the firmware/Makefile, peg
this file as a dependency to require re-compilation of firmware targets
when the asm changes.
Link: http://lkml.kernel.org/r/20170123150727.4883-1-mcgrof@kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Michal Marek <mmarek@suse.com>
Cc: Ming Lei <ming.lei@canonical.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Tom Gundersen <teg@jklm.no>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/firmware/Makefile b/firmware/Makefile
index e297e1b..fa3e81c 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -176,7 +176,8 @@
wordsize_deps := $(wildcard include/config/64bit.h include/config/32bit.h \
include/config/ppc32.h include/config/ppc64.h \
include/config/superh32.h include/config/superh64.h \
- include/config/x86_32.h include/config/x86_64.h)
+ include/config/x86_32.h include/config/x86_64.h \
+ firmware/Makefile)
$(patsubst %,$(obj)/%.gen.S, $(fw-shipped-y)): %: $(wordsize_deps)
$(call cmd,fwbin,$(patsubst %.gen.S,%,$@))