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2017-05-15kbuild: update DTC warning settings for bus and node/property name checksMasahiro Yamada
Recent commits of DTC introduced new warnings checking PCI and simple buses, unit address formatting, and stricter node and property name checking. Disable the new DTC warnings by default. As before, warnings are enabled with W=*. The strict node and property name checks are a bit subjective, so they are only enabled for W=2. (This policy reflects the commit 8654cb8d0371 of Linux.) Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-03-09kbuild: turn of dtc unit address warnings by defaultMasahiro Yamada
DTC 1.4.2 or later checks DT unit-address without reg property and vice-versa, and generates lots of warnings. Fixing DT files will take for a while. Until then, let's turn off the check unless building with W=*. Introduce a new helper dtc-option to check if the option is supported in order to suppress warnings on older versions. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Bin Meng <bmeng.cn@gmail.com>
2016-01-19scripts/Makefile* Add SPDX-License-Identifier tagTom Rini
A general best practice for SPDX is that Makefiles should have an identifier, add these as everything else is currently covered. Signed-off-by: Tom Rini <trini@konsulko.com>
2014-11-04kbuild: do not hide clang warnings during build with W=1Masahiro Yamada
These lines originate in Linux; it looks like Linux folks chose to hide bunch of warnings reported by clang rather than fixing C code. In U-boot, warnings are being fixed thanks to Jeroen's great efforts. Let's stop suppressing clang warnings. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Jeroen Hofstee <jeroen@myspectrum.nl>
2014-08-21kbuild: move extra gcc checks to scripts/Makefile.extrawarnMasahiro Yamada
This commit was imported from Linux Kernel: commit a86fe353 written by me. W=... provides extra gcc checks. Having such code in scripts/Makefile.build results in the same flags being added to KBUILD_CFLAGS multiple times becuase scripts/Makefile.build is invoked every time Kbuild descends into the subdirectories. Since the top Makefile is already too cluttered, this commit moves all of extra gcc check stuff to a new file scripts/Makefile.extrawarn, which is included from the top Makefile. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>