Re: [GIT PULL] dt: run C pre-processor on *.dts, create some standardheaders

[Rob Herring]

On 04/05/2013 01:46 PM, Stephen Warren wrote:
> 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.
> 

No, you're on the hook to fix anything. :) My next branch is pulled by
Grant and is not rebased. Perhaps we should change that, but it's not
going to happen right away.

Rob

> ----------------------------------------------------------------
> 
> 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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