Rob, it might be worth keeping this in a separate branch in linux-next
so you can pull it out if it causes any issues. I've been using these
patches for quite a while now, but there's always opportunity for
surprises on architectures I don't use. I did just fix a bug when
building with O= a few days back, hence the V2 that I posted as patches.
----------------------------------------------------------------
This branch enhances the support for running dtc on device tree files.
A dedicated directory is created for header files that provide constants
for device-tree bindings.
The kbuild dependency script processor is enhanced to support processing
the dependency outputs from multiple separate commands at once.
The kbuild dtc rule is modified so that the C pre-processor is always
applied when compiling any device tree.
Some standard headers are created which define common constants for GPIO,
IRQ, and ARM GIC device tree bindings.
----------------------------------------------------------------
The following changes since commit 6dbe51c251a327e012439c4772097a13df43c5b8:
Linux 3.9-rc1
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra.git tegra-for-3.10-dtc-cpp-chroot-std-headers
for you to fetch changes up to 4be505d4fc7a07371a2b658469ca1dda99993ca3:
ARM: dt: create a DT header for the GIC
----------------------------------------------------------------
Stephen Warren (7):
kbuild: create an "include chroot" for DT bindings
kbuild: fixdep: support concatenated dep files
kbuild: cmd_dtc_cpp: extract deps from both gcc -E and dtc
kbuild: always run gcc -E on *.dts, remove cmd_dtc_cpp
ARM: dt: add header to define GPIO flags
ARM: dt: add header to define IRQ flags
ARM: dt: create a DT header for the GIC
arch/arm/boot/dts/include/dt-bindings | 1 +
include/dt-bindings/gpio/gpio.h | 15 +++
.../dt-bindings/interrupt-controller/arm-gic.h | 22 +++++
include/dt-bindings/interrupt-controller/irq.h | 19 ++++
scripts/Makefile.lib | 17 ++--
scripts/basic/fixdep.c | 93 ++++++++++++------
6 files changed, 125 insertions(+), 42 deletions(-)
create mode 120000 arch/arm/boot/dts/include/dt-bindings
create mode 100644 include/dt-bindings/gpio/gpio.h
create mode 100644 include/dt-bindings/interrupt-controller/arm-gic.h
create mode 100644 include/dt-bindings/interrupt-controller/irq.h
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